SoftHints - Python, Linux, Pandas
Home Python Pandas Help Us
Cheat Sheet
Windows cmd vs Linux shell commands Windows and Linux variable equivalents Python Regex Cheat Sheet with Examples Best Linux Cheat Sheet 2023 Complete Python Cheat Sheet
Home Python Pandas Help Us
Cheat Sheet
Windows cmd vs Linux shell commands Windows and Linux variable equivalents Python Regex Cheat Sheet with Examples Best Linux Cheat Sheet 2023 Complete Python Cheat Sheet

John D K

bash for loop array of strings

bash for loop array of strings

In this post, I'll show you how to use for
John D K
John D K
Feb 7, 2023
2 min read

How to store bash shuf to string

In this short guide, I'll show you how to store
John D K
John D K
Feb 7, 2023
1 min read

How to Validate IP Address in Python

In this article, we can learn how to validate IP
John D K
John D K
Feb 6, 2023
2 min read
how to install julia in linux mint

how to install julia in linux mint

In this article we will discuss how to install Julia
John D K
John D K
Feb 4, 2023
3 min read
How to Disable Workspace Switching Sound in Linux Mint

How to Disable Workspace Switching Sound in Linux Mint

In this short article, we see how to disable annoying
John D K
John D K
Jan 31, 2023
1 min read
How to Setup  Printer and Fix Printing Problems in Linux Mint

How to Setup Printer and Fix Printing Problems in Linux Mint

In this guide, I'll show you how to fix printer
John D K
John D K
Jan 18, 2023
3 min read
What is Slicing in Python With Examples

What is Slicing in Python With Examples

Slicing in Python is a powerful feature that allows easy
John D K
John D K
Jan 16, 2023
3 min read
Online Banking for Remote Workers and Developers

Online Banking for Remote Workers and Developers

Is online banking convenient option for remote workers? Yes! Because
John D K
John D K
Jan 16, 2023
3 min read

How to Write Script in Bash?

In this guide, I'll show you how to write script
John D K
John D K
Jan 13, 2023
2 min read
VScode Error: spawn python ENOENT

VScode Error: spawn python ENOENT

The VScode error "Error: spawn python ENOENT" typically occurs when
John D K
John D K
Jan 13, 2023
2 min read

Comparison: Linode vs DigitalOcean - best VPS in 2023

In this article we will search for the best VPS
John D K
John D K
Jan 9, 2023
5 min read

How to Install Viber on Linux

To use Viber on your Linux computer(Ubuntu or Linux
John D K
John D K
Jan 6, 2023
1 min read

Complete Python Cheat Sheet

This is a quick Python cheat sheet with Examples. It
John D K
John D K
Jan 5, 2023
5 min read

How to Calculate Two Variables in Bash

To calculate two variables in bash, we can use the
John D K
John D K
Jan 4, 2023
1 min read

How to Solve "Invalid Arithmetic Operator" - Floating-point Math in Bash

There are multiple ways to solve "Invalid Arithmetic Operator" error
John D K
John D K
Jan 4, 2023
1 min read

How to Sleep Until a Specific Time/Date in Linux Bash

In this short guide, I'll show you how to sleep
John D K
John D K
Jan 4, 2023
1 min read

How to Get Current Time in Hours and Minutes in Linux Bash

To get the current time in hours and minutes in
John D K
John D K
Jan 4, 2023
1 min read

Best Linux Cheat Sheet 2023

Are you an enthusiastic Linux user? Well, if you are,
John D K
John D K
Dec 28, 2022
4 min read

Cheat Sheet

Cheat Sheet
John D K
John D K
Dec 28, 2022
1 min read
How to Hide Sidebars, Navigation, Header in JupyterLab

How to Hide Sidebars, Navigation, Header in JupyterLab

In this short guide, I'll show you how to hide
John D K
John D K
Oct 19, 2022
2 min read
How to Convert PDF to ePUB with Linux

How to Convert PDF to ePUB with Linux

In this short tutorial, we'll see how to convert easily
John D K
John D K
Oct 15, 2022
1 min read
How to Solve Random Freeze in Linux Mint

How to Solve Random Freeze in Linux Mint

In this tutorial, we'll see how to solve Random Freezes
John D K
John D K
Sep 16, 2022
5 min read

Invalid Server Password in JupyterLab and Jupyter Notebook

In this tutorial, we'll see how to solve a common
John D K
John D K
Aug 18, 2022
1 min read

How to Add/Run/Save Code from .py Into Jupyter Notebook Cell

In this short guide, I'll show you how to add,
John D K
John D K
Aug 16, 2022
1 min read

How to increase cell width of Jupyter Notebook

In this tutorial, we're going to see multiple ways to
John D K
John D K
Jun 22, 2022
1 min read

How to Execute a String Containing Code in Python

In this quick tutorial, we'll show how to execute string
John D K
John D K
Apr 11, 2022
2 min read
How to Recover a Deleted File on Linux Mint or Ubuntu

How to Recover a Deleted File on Linux Mint or Ubuntu

In this article, we will see how to recover a
John D K
John D K
Mar 29, 2022
2 min read

How to Recover Unsaved Files in Sublime 4 Linux Or Mac

To recover lost unsaved files in Sublime Text 4 on
John D K
John D K
Mar 29, 2022
1 min read

Where is the Trash Location in Linux Mint

In Linux Mint and Ubuntu the Trash folder is located
John D K
John D K
Mar 29, 2022
1 min read
How to Easily Backup MySQL Database

How to Easily Backup MySQL Database

1. Overview In this short tutorial, we'll see how to
John D K
John D K
Feb 17, 2022
1 min read

How To Create a New User and Grant Permissions in MySQL

1. Overview In this tutorial, we'll show how to create
John D K
John D K
Feb 16, 2022
2 min read

How to solve ImportError: No module named pip in Python

1. Overview In this tutorial, we'll see how to solve
John D K
John D K
Feb 16, 2022
1 min read

Jupyter Display

Jupyter Display
John D K
John D K
Feb 10, 2022
1 min read

Jupyter Tips

Jupyter Tips
John D K
John D K
Feb 10, 2022
1 min read

JupyterLab

JupyterLab
John D K
John D K
Feb 10, 2022
1 min read

Office

Office
John D K
John D K
Feb 10, 2022
1 min read

Windows

Windows
John D K
John D K
Feb 10, 2022
1 min read

Automation

Automation
John D K
John D K
Feb 10, 2022
1 min read

Java

Java
John D K
John D K
Feb 10, 2022
1 min read

Miscellaneous

Miscellaneous
John D K
John D K
Feb 10, 2022
1 min read

Regex Date

Regex Date
John D K
John D K
Feb 10, 2022
1 min read

Regex Match

Regex Match
John D K
John D K
Feb 10, 2022
1 min read

Regex Basics

Regex Basics
John D K
John D K
Feb 10, 2022
1 min read

Regex in Text Editor

Regex in Text Editor
John D K
John D K
Feb 10, 2022
1 min read

PyCharm Tips

PyCharm Tips
John D K
John D K
Feb 10, 2022
1 min read

PyCharm Error

PyCharm Error
John D K
John D K
Feb 10, 2022
1 min read

Git and PyCharm

Git and PyCharm
John D K
John D K
Feb 10, 2022
1 min read

PyCharm Advanced

PyCharm Advanced
John D K
John D K
Feb 10, 2022
1 min read

VIrtual Machine

VIrtual Machine
John D K
John D K
Feb 10, 2022
1 min read

Linux Mint Applications

Linux Mint Applications
John D K
John D K
Feb 10, 2022
1 min read

Pandas Row

Pandas Row
John D K
John D K
Feb 10, 2022
1 min read

Pandas DataFrame

Pandas DataFrame
John D K
John D K
Feb 10, 2022
1 min read

Pandas Basics

Pandas Basics
John D K
John D K
Feb 10, 2022
1 min read

Pandas Column

Pandas Column
John D K
John D K
Feb 10, 2022
1 min read

Pandas Count

Pandas Count
John D K
John D K
Feb 10, 2022
1 min read

Pandas Advanced

Pandas Advanced
John D K
John D K
Feb 10, 2022
1 min read

Linux Commands

Linux Commands
John D K
John D K
Feb 10, 2022
1 min read

Video & Sound

Video & Sound
John D K
John D K
Feb 10, 2022
1 min read

Troubleshoot

Troubleshoot
John D K
John D K
Feb 10, 2022
1 min read

Advanced

Advanced
John D K
John D K
Feb 10, 2022
1 min read

User Interface

User Interface
John D K
John D K
Feb 10, 2022
1 min read

DB apps

DB apps
John D K
John D K
Feb 10, 2022
1 min read

Python

Python
John D K
John D K
Feb 10, 2022
1 min read

SQL Basics

SQL Basics
John D K
John D K
Feb 10, 2022
1 min read

MySQL

MySQL
John D K
John D K
Feb 10, 2022
1 min read

Python Errors

Python Errors
John D K
John D K
Feb 10, 2022
1 min read

Advanced Tutorials

Advanced Tutorials
John D K
John D K
Feb 10, 2022
1 min read

Python Basics

Python Basics
John D K
John D K
Feb 10, 2022
1 min read
33-other

Other

Other
John D K
John D K
Feb 10, 2022
1 min read
22-jupyter

jupyter

jupyter
John D K
John D K
Feb 10, 2022
1 min read
23-regex

Regex

Regex
John D K
John D K
Feb 10, 2022
1 min read
32-applications

Applications

Applications
John D K
John D K
Feb 10, 2022
1 min read
31-pycharm

PyCharm

PyCharm
John D K
John D K
Feb 10, 2022
1 min read
12-pandas

Pandas

Pandas
John D K
John D K
Feb 10, 2022
1 min read
21-data-base

Data Base

Data Base
John D K
John D K
Feb 10, 2022
1 min read
13-linux-mint

Linux Mint

Linux Mint
John D K
John D K
Feb 10, 2022
1 min read
11-python

Python

Python
John D K
John D K
Feb 10, 2022
1 min read
How to Install Python Poetry On Linux Mint

How to Install Python Poetry On Linux Mint

1. Overview In this short tutorial, we will cover how
John D K
John D K
Dec 29, 2021
2 min read
How to install latest python 3 on Linux Mint

How to install latest python 3 on Linux Mint

1. Overview In this tutorial, we will see how to
John D K
John D K
Dec 29, 2021
2 min read
How to Enable or Disable Quickly Firefox Dark Mode for all sites

How to Enable or Disable Quickly Firefox Dark Mode for all sites

1. Summary In this post we will check how to
John D K
John D K
Dec 29, 2021
2 min read
How To Change Browser Tab Title in JupyterLab

How To Change Browser Tab Title in JupyterLab

1. Overview In this post, we'll see how to change
John D K
John D K
Dec 29, 2021
2 min read
How to Install specific package versions with pip and Python

How to Install specific package versions with pip and Python

In this post you can find how to install a
John D K
John D K
Nov 10, 2021
3 min read
How to check package version in Python

How to check package version in Python

In this post you can find how to check the
John D K
John D K
Nov 10, 2021
1 min read
How to  install pre-release package with pip in python

How to install pre-release package with pip in python

In this short post you can find how to install
John D K
John D K
Nov 10, 2021
1 min read
How to Install a Private Package from GitHub Or BitBucket

How to Install a Private Package from GitHub Or BitBucket

In this tutorial you can find how to install a
John D K
John D K
Nov 2, 2021
1 min read
How to Set and List Environmental Variable in Python and Jupyter Notebook

How to Set and List Environmental Variable in Python and Jupyter Notebook

In this short guide, you’ll see how to set
John D K
John D K
Oct 29, 2021
3 min read
Linux Mint 20 Laptop Won't Boot On Battery Power

Linux Mint 20 Laptop Won't Boot On Battery Power

In this short post I'll show you how to resolve
John D K
John D K
Oct 21, 2021
1 min read
How to Upgrade from Ghost 3 to 4 on Digital Ocean

How to Upgrade from Ghost 3 to 4 on Digital Ocean

In this post, I'll show all steps to upgrade Ghost
John D K
John D K
Sep 29, 2021
6 min read
How to Fix Video Artifacts in Linux Mint and Nvidia

How to Fix Video Artifacts in Linux Mint and Nvidia

In this short you can see how to fix video
John D K
John D K
Sep 27, 2021
1 min read
How to Fix Slow Or No WiFi in Linux Mint - 3 quick solution

How to Fix Slow Or No WiFi in Linux Mint - 3 quick solution

In this short guide, you’ll see how to fix
John D K
John D K
Sep 7, 2021
4 min read
How to read and test robots.txt with Python

How to read and test robots.txt with Python

In this quick tutorial, we'll cover how we can test,
John D K
John D K
Sep 3, 2021
2 min read
How to Get Issue Comments in Jira With Python

How to Get Issue Comments in Jira With Python

In this short guide, I’ll show you how to
John D K
John D K
Sep 3, 2021
3 min read
How to print error message without traceback in Python

How to print error message without traceback in Python

In this short guide, I’ll show you several options
John D K
John D K
Aug 25, 2021
3 min read
Parse Website XML Sitemap with Python and Pandas

Parse Website XML Sitemap with Python and Pandas

Need to parse XML sitemap of a website in Python
John D K
John D K
Aug 20, 2021
4 min read
Unzip One Or Multiple Zipped Files in a Archive With Python

Unzip One Or Multiple Zipped Files in a Archive With Python

Do you need to unzip files with Python keeping or
John D K
John D K
Aug 16, 2021
2 min read
How to Match text between two strings with regex in Python

How to Match text between two strings with regex in Python

To match any text between two strings/patterns with a
John D K
John D K
Aug 15, 2021
2 min read
How to Match Strings Not Starting With Pattern using Regex and Python

How to Match Strings Not Starting With Pattern using Regex and Python

Need to match strings which don't start with a given
John D K
John D K
Aug 14, 2021
2 min read
Regex to Match no space or one space in Python

Regex to Match no space or one space in Python

Need to use a regex to match - "no character
John D K
John D K
Aug 13, 2021
3 min read
How to match a digit n times with regex in Python

How to match a digit n times with regex in Python

Here are several approaches to match a digit n times
John D K
John D K
Aug 12, 2021
2 min read
How to Turn off Warnings in JupyterLab(Jupyter Notebook)

How to Turn off Warnings in JupyterLab(Jupyter Notebook)

This article explains how to turn off warnings in JupyterLab
John D K
John D K
Aug 11, 2021
2 min read
How to Split a List Into Evenly Sized Lists in Python

How to Split a List Into Evenly Sized Lists in Python

This article is a look at Python lists and how
John D K
John D K
Aug 10, 2021
3 min read
Python Can't Install New Packages from PyPI

Python Can't Install New Packages from PyPI

In this tutorial, we'll deep dive into several reasons why
John D K
John D K
Aug 10, 2021
2 min read
Linux Mint: Integrity: problem loading X.509 certificate -65 before login

Linux Mint: Integrity: problem loading X.509 certificate -65 before login

The error: integrity: Problem loading X.509 certificate -65 usually
John D K
John D K
Jul 22, 2021
3 min read
How to Exclude Files from a Zip Archive Linux Mint

How to Exclude Files from a Zip Archive Linux Mint

You can easily exclude specific files and/or folders from
John D K
John D K
Jul 19, 2021
3 min read
Best tools for clipboard history in Linux Mint

Best tools for clipboard history in Linux Mint

This brief tutorial will show you how to install tools
John D K
John D K
Jul 12, 2021
2 min read
How to copy file to s3 with aws cli example

How to copy file to s3 with aws cli example

This brief post will show you how to copy file
John D K
John D K
Jul 12, 2021
2 min read
Use Regex To Remove lines containing word in Sublime

Use Regex To Remove lines containing word in Sublime

In this short post you can find how to remove
John D K
John D K
Jul 11, 2021
1 min read
How to find duplicated lines in files Linux Mint

How to find duplicated lines in files Linux Mint

This brief article will show you how to find duplicate
John D K
John D K
Jul 11, 2021
2 min read
How to Restart Network on Linux Mint

How to Restart Network on Linux Mint

In this post you can find how to restart the
John D K
John D K
Jul 11, 2021
2 min read
How to Open JupyterLab Notebook Without the Output

How to Open JupyterLab Notebook Without the Output

In this short post we will see how to open
John D K
John D K
Jul 11, 2021
2 min read
Linux Mint Display Issues on Startup

Linux Mint Display Issues on Startup

This brief tutorial will show you how to quickly and
John D K
John D K
Jul 8, 2021
2 min read
Python Error Installing Requirements.txt Using Pip Install

Python Error Installing Requirements.txt Using Pip Install

This quick article will be show you how to solve
John D K
John D K
Jun 22, 2021
1 min read
How to add Python code snippets in Ghost Blog

How to add Python code snippets in Ghost Blog

In this short post we will see how to add
John D K
John D K
Jun 10, 2021
3 min read
How to Reindent JSON File With a Shortcut in Sublime 4

How to Reindent JSON File With a Shortcut in Sublime 4

There are many packages to reindent JSON files in Sublime
John D K
John D K
Jun 10, 2021
2 min read
How to Merge Multiple JSON Files Into Pandas DataFrame

How to Merge Multiple JSON Files Into Pandas DataFrame

In this quick article, we'll focus on a few examples
John D K
John D K
Jun 9, 2021
2 min read
How To List, Count and Search Files in S3 Bucket with AWS Cli

How To List, Count and Search Files in S3 Bucket with AWS Cli

In this quick article, we are going to count number
John D K
John D K
Jun 8, 2021
1 min read
How To Count Files in Directory in Linux Mint

How To Count Files in Directory in Linux Mint

In this brief post, we'll learn to count number of
John D K
John D K
Jun 8, 2021
1 min read
Read/unzip File(s) from Zip Or Tar.gz With Python

Read/unzip File(s) from Zip Or Tar.gz With Python

In this article, we'll see how to read/unzip file(
John D K
John D K
Jun 7, 2021
2 min read
How to Add Custom Keyboard Shortcut to Paste a Predefined Text in Linux Mint

How to Add Custom Keyboard Shortcut to Paste a Predefined Text in Linux Mint

In this post, we'll show how to add a custom
John D K
John D K
Jun 7, 2021
2 min read
Python Parallel Processing Multiple Zipped JSON Files  Into Pandas DataFrame

Python Parallel Processing Multiple Zipped JSON Files Into Pandas DataFrame

In this short guide, we'll explore how to read multiple
John D K
John D K
Jun 6, 2021
1 min read
Parallel Processing Zip Archive CSV Files With Python and Pandas

Parallel Processing Zip Archive CSV Files With Python and Pandas

In this post, we'll show how to read multiple CSV
John D K
John D K
Jun 6, 2021
2 min read
How to Sort List in Python 3 Examples

How to Sort List in Python 3 Examples

This short tutorial will show you how to sort lists
John D K
John D K
May 31, 2021
1 min read
How to Install Sublime Text On Linux Mint

How to Install Sublime Text On Linux Mint

This brief tutorial will show you how to install the
John D K
John D K
May 30, 2021
1 min read
How to Auto Generate requirements.txt (Dependencies) in Python - 3 examples

How to Auto Generate requirements.txt (Dependencies) in Python - 3 examples

In this tutorial, we'll see how to automatically create requirements.
John D K
John D K
Mar 16, 2021
2 min read
How to Completely Remove Flatpak - Linux Mint

How to Completely Remove Flatpak - Linux Mint

In this tutorial, we'll be discussing how to completely remove
John D K
John D K
Mar 2, 2021
2 min read
How to Locate Fonts in Linux Mint

How to Locate Fonts in Linux Mint

In this short article I'll show you the popular font
John D K
John D K
Feb 18, 2021
1 min read
How to Apply View Settings to All Folders in Linux Mint

How to Apply View Settings to All Folders in Linux Mint

Looking to apply view settings to all folders and subfolders
John D K
John D K
Feb 12, 2021
1 min read
How to Install Ghostwriter in Linux Mint - nice Markdown Editor

How to Install Ghostwriter in Linux Mint - nice Markdown Editor

There are few ways in which you install Ghostwriter -
John D K
John D K
Feb 12, 2021
1 min read
How to Refresh All Pivot Tables  in LibreOffice Calc with single click

How to Refresh All Pivot Tables in LibreOffice Calc with single click

In this brief post, you will find how to refresh
John D K
John D K
Feb 9, 2021
2 min read
How to Set environment variables permanently in Linux Mint

How to Set environment variables permanently in Linux Mint

In this short tutorial, I’ll show you how to
John D K
John D K
Feb 8, 2021
1 min read
How to Create File/Folder Shortcut in Linux Mint 19.3 with One Click (Nemo)

How to Create File/Folder Shortcut in Linux Mint 19.3 with One Click (Nemo)

This brief tutorial shows how to create shortcuts in Linux
John D K
John D K
Feb 7, 2021
1 min read
[GitHub] Deprecation Notice -  Basic Authentication Using a Password to Git Is Deprecated

[GitHub] Deprecation Notice - Basic Authentication Using a Password to Git Is Deprecated

If you received a mail from GitHub about - [GitHub]
John D K
John D K
Feb 3, 2021
2 min read
How to Read Lines From Large Compressed File Without Decompressing in Linux Mint

How to Read Lines From Large Compressed File Without Decompressing in Linux Mint

In this post you can find how to read first
John D K
John D K
Jan 31, 2021
2 min read
How to Fix Redshift in Linux Mint Fast and Easy

How to Fix Redshift in Linux Mint Fast and Easy

In this brief tutorial you can find how to fix
John D K
John D K
Jan 29, 2021
2 min read
Pandas Easy Parallelization with df.iterrows()  or For Loop

Pandas Easy Parallelization with df.iterrows() or For Loop

Do you need to use Parallelization with df.iterrows() / For
John D K
John D K
Jan 27, 2021
1 min read
JupyterLab Select, Move and/or Merge Multiple Cells

JupyterLab Select, Move and/or Merge Multiple Cells

In this short article, you can find how to select
John D K
John D K
Jan 27, 2021
1 min read
How to Install Telegram on Linux Mint (easy and fast)

How to Install Telegram on Linux Mint (easy and fast)

In this short guide, I’ll show you how to
John D K
John D K
Jan 26, 2021
1 min read
How To Install Node.js on Linux Mint

How To Install Node.js on Linux Mint

Need to install a Node.js in Linux Mint? If
John D K
John D K
Dec 10, 2020
3 min read
How to Edit Terminal History in Pycharm/IntelliJ

How to Edit Terminal History in Pycharm/IntelliJ

In this short post you can find where it is
John D K
John D K
Dec 4, 2020
2 min read
How to Install Visual Studio Code on Linux Mint

How to Install Visual Studio Code on Linux Mint

In this short tutorial shows how to install Microsoft Visual
John D K
John D K
Dec 3, 2020
2 min read
How to Install Microsoft Teams on Linux Mint

How to Install Microsoft Teams on Linux Mint

Do you need to install Microsoft Teams on Linux Mint?
John D K
John D K
Nov 30, 2020
2 min read
How to Download Files from S3 Bucket with AWS CLI on Linux Mint

How to Download Files from S3 Bucket with AWS CLI on Linux Mint

Looking to download files or whole buckets from S3 Bucket
John D K
John D K
Nov 26, 2020
2 min read
How to Add New Fonts in Linux Mint

How to Add New Fonts in Linux Mint

In this short tutorial, we'll add new fonts to Linux
John D K
John D K
Nov 26, 2020
2 min read
How to Install WoeUSB in Linux Mint

How to Install WoeUSB in Linux Mint

In this post, we'll see how to** download and install
John D K
John D K
Nov 18, 2020
2 min read
Linux Mint Recovery Mode or Advanced Boot Options

Linux Mint Recovery Mode or Advanced Boot Options

In this article we will see how boot Linux Mint
John D K
John D K
Nov 18, 2020
2 min read
How to Merge multiple CSV Files in Linux Mint

How to Merge multiple CSV Files in Linux Mint

In this short tutorial, I'll show you several ways to
John D K
John D K
Nov 18, 2020
2 min read
Linux Mint 20: Not starting -  Kernel Panic, Cannot Open Root Device

Linux Mint 20: Not starting - Kernel Panic, Cannot Open Root Device

Kernel update and forced shutdown in Linux Mint 20 (with
John D K
John D K
Nov 15, 2020
3 min read
How to Recover Data from Unreadable USB in Linux Mint

How to Recover Data from Unreadable USB in Linux Mint

In this small tutorial, we'll see how to recover data
John D K
John D K
Nov 14, 2020
3 min read
How to Convert MySQL Table to Pandas DataFrame / Python Dictionary

How to Convert MySQL Table to Pandas DataFrame / Python Dictionary

In this short tutorial we will convert MySQL Table into
John D K
John D K
Nov 9, 2020
4 min read
How to Install Specific Package Version in Linux Mint

How to Install Specific Package Version in Linux Mint

In this brief tutorial, we'll see how to list available
John D K
John D K
Nov 5, 2020
3 min read
How to Clean Up Old Branches in GitHub

How to Clean Up Old Branches in GitHub

In this step by step guide you can find how
John D K
John D K
Oct 28, 2020
2 min read
Python AttributeError: type object 'Callable' has no attribute '_abc_registry'

Python AttributeError: type object 'Callable' has no attribute '_abc_registry'

Looking how to solve Python or Jupyter Notebook error: AttributeError:
John D K
John D K
Oct 21, 2020
1 min read
Pycharm Git Pull Failed Your Local Changes Would Be Overwritten by Merge

Pycharm Git Pull Failed Your Local Changes Would Be Overwritten by Merge

Do you have error message in PyCharm during pull request
John D K
John D K
Oct 20, 2020
1 min read
How to Solve Windows 10 Black Screen with Cursor and Blue Circle

How to Solve Windows 10 Black Screen with Cursor and Blue Circle

Looking to solve - Windows 10 displays a black screen
John D K
John D K
Oct 19, 2020
4 min read
Python Naming Convention Examples for Classes, Variables, Underscore, Files

Python Naming Convention Examples for Classes, Variables, Underscore, Files

Looking for Python naming conventions - variables, classes? When to
John D K
John D K
Oct 17, 2020
2 min read
How to Display Two Pandas Dataframes side by side in Jupyter Notebook

How to Display Two Pandas Dataframes side by side in Jupyter Notebook

In this brief tutorial, we'll see how to display two
John D K
John D K
Oct 16, 2020
2 min read
Dates and Bar Plots (per weekday) in Pandas

Dates and Bar Plots (per weekday) in Pandas

Looking to create a Bar Plot per day of week
John D K
John D K
Oct 14, 2020
3 min read
How to Install s3cmd on Linux Mint

How to Install s3cmd on Linux Mint

In this short tutorial, you'll see how to install s3cmd
John D K
John D K
Oct 13, 2020
2 min read
How to Recover Root Password in Linux Mint

How to Recover Root Password in Linux Mint

Did you forgot root password for Linux Mint? Looking to
John D K
John D K
Oct 12, 2020
2 min read
How to Change Password in Linux Mint Advanced

How to Change Password in Linux Mint Advanced

Looking to change a user password in Linux Mint 19
John D K
John D K
Oct 11, 2020
2 min read
How to Install Pandas Python 3 Ubuntu

How to Install Pandas Python 3 Ubuntu

A popular problem for new Ubuntu users is installation of
John D K
John D K
Oct 10, 2020
2 min read
How to Use Like Operator in Pandas DataFrame

How to Use Like Operator in Pandas DataFrame

Looking for SQL like operator in Pandas? If so, let's
John D K
John D K
Oct 9, 2020
3 min read
How to Delete All/Markdown Cell in Jupyter/JupyterLab

How to Delete All/Markdown Cell in Jupyter/JupyterLab

Do you need to delete all Markdown / non Markdown cells
John D K
John D K
Oct 8, 2020
2 min read
How to Select Rows with Head and Tail  in Pandas

How to Select Rows with Head and Tail in Pandas

You may use Pandas functions head() and tail() in order
John D K
John D K
Oct 7, 2020
2 min read
How to Install Chromium on Linux Mint

How to Install Chromium on Linux Mint

In this easy tutorial, we'll see how to install Chromium
John D K
John D K
Oct 6, 2020
2 min read
How to Map Numeric Data into Bins/Categories with Pandas

How to Map Numeric Data into Bins/Categories with Pandas

In this brief tutorial, we'll see how to map numerical
John D K
John D K
Oct 1, 2020
3 min read
How to Search File Content in Linux Mint

How to Search File Content in Linux Mint

In this tutorial, we'll see several examples of file content
John D K
John D K
Sep 30, 2020
3 min read
Pandas iterrows TypeError: tuple indices must be integers or slices, not str

Pandas iterrows TypeError: tuple indices must be integers or slices, not str

Have you tried to iterate over a DataFrame in Pandas,
John D K
John D K
Sep 29, 2020
1 min read
6 ways to Recover deleted Jupyter Notebook (including JupyterLab)

6 ways to Recover deleted Jupyter Notebook (including JupyterLab)

In this tutorial, we'll see how to recover deleted cells
John D K
John D K
Sep 29, 2020
2 min read
7 Good Habits for Successful Programmers

7 Good Habits for Successful Programmers

Let's get honest: learning and mastering programming doesn't happen by
John D K
John D K
Sep 26, 2020
4 min read
How to Install Typora on Linux Mint

How to Install Typora on Linux Mint

In this short tutorial, we'll see how to install Typora
John D K
John D K
Sep 17, 2020
2 min read
Regex for Phone Number Find and Validation in Python

Regex for Phone Number Find and Validation in Python

In this tutorial, it's shown how to find and validate
John D K
John D K
Aug 26, 2020
3 min read
Data Science, Python, Linux mint - News and Events

Data Science, Python, Linux mint - News and Events

Linux Mint news * Monthly News – July 2020 * How to upgrade
John D K
John D K
Jul 31, 2020
1 min read
Linux Mint - Hotkey Paste/Insert Timestamp

Linux Mint - Hotkey Paste/Insert Timestamp

Do you need to add a shortcut or hotkey to
John D K
John D K
Jun 25, 2020
2 min read
Simple Guide to Deal with Painful Programming Headache

Simple Guide to Deal with Painful Programming Headache

Does programming give you a headache? Do you feel tired
John D K
John D K
Jun 22, 2020
7 min read
How To Alternate Row Color Based On Group In Google Sheets?

How To Alternate Row Color Based On Group In Google Sheets?

In this article, you will find how to change the
John D K
John D K
Jun 20, 2020
2 min read
How to Pin Shortcuts to the Second Panel in Linux Mint

How to Pin Shortcuts to the Second Panel in Linux Mint

Linux Mint supports multiple Panels (both Cinnamon and Mate). Adding
John D K
John D K
Jun 19, 2020
2 min read
How to Search and Replace in Excel File using Python

How to Search and Replace in Excel File using Python

Do you need to search and replace a list of
John D K
John D K
Jun 2, 2020
3 min read
Linux Mint - Cannot Login (login loop)

Linux Mint - Cannot Login (login loop)

In this post it's described a login loop for Linux
John D K
John D K
Jun 1, 2020
3 min read
How To Enlarge a VirtualBox Disk Size

How To Enlarge a VirtualBox Disk Size

In this post you can find how to enlarge VirtualBox
John D K
John D K
May 30, 2020
2 min read
7+ Steps To Clean Space On Linux Mint

7+ Steps To Clean Space On Linux Mint

In this post you can find how to clean up
John D K
John D K
May 29, 2020
5 min read
Health Tips for programmers - rule 20/20/20

Health Tips for programmers - rule 20/20/20

Protecting your health and eyes as a programmer(and not
John D K
John D K
May 28, 2020
2 min read
Python Create a Table in MySQL from  Dictionary

Python Create a Table in MySQL from Dictionary

In this guide, I'll show you how to create a
John D K
John D K
May 27, 2020
3 min read
Programming Interviews 2 - Python, Data Science, Biological experiments, Genomics

Programming Interviews 2 - Python, Data Science, Biological experiments, Genomics

In this programming interview you can find information and inspiration
John D K
John D K
May 2, 2020
3 min read
Linux Mint 19 How to Change Wallpaper Automatically

Linux Mint 19 How to Change Wallpaper Automatically

Looking for a wallpaper changer, picture slideshow, automatic downloader and
John D K
John D K
Apr 30, 2020
3 min read
Do you want to run or display its contents Linux Mint

Do you want to run or display its contents Linux Mint

In this post, I'll show you how to disable: Do
John D K
John D K
Apr 23, 2020
1 min read
Python: List vs Tuple vs Dictionary vs Set

Python: List vs Tuple vs Dictionary vs Set

Should you choose Python List or Dictionary, Tuple or Set?
John D K
John D K
Apr 16, 2020
3 min read
Sublime 3 Regex Search and Replace Examples

Sublime 3 Regex Search and Replace Examples

In this short guide, I’ll show you Regular Expressions
John D K
John D K
Apr 15, 2020
4 min read
How to Show All Columns, Rows and Values in Pandas

How to Show All Columns, Rows and Values in Pandas

In this guide, you can find how to show all
John D K
John D K
Apr 9, 2020
4 min read
Pandas: Check If Value of Column Is Contained in Another Column in the Same Row

Pandas: Check If Value of Column Is Contained in Another Column in the Same Row

In this guide, I'll show you how to find if
John D K
John D K
Mar 18, 2020
3 min read
Linux Mint: How to Check Cron Logs (crontab -e)

Linux Mint: How to Check Cron Logs (crontab -e)

In this post you can find information how to deal
John D K
John D K
Mar 15, 2020
3 min read
GitKraken open Private Repository on Ubuntu/Linux Mint

GitKraken open Private Repository on Ubuntu/Linux Mint

GitKraken recent changes blocked opening of private repositories with message:
John D K
John D K
Mar 13, 2020
3 min read
Thunderbird: how to change  display time to 24h format

Thunderbird: how to change display time to 24h format

Do you want to change Thunderbird's display time to 24h
John D K
John D K
Mar 12, 2020
2 min read
Screen flicker and tearing Linux Mint Cinnamon

Screen flicker and tearing Linux Mint Cinnamon

Do you have screen flicker, blinking, artefacts or tearing using
John D K
John D K
Feb 26, 2020
6 min read
VirtualBox black or blank screen issues Ubuntu/Linux Mint

VirtualBox black or blank screen issues Ubuntu/Linux Mint

I have VirtualBox with two working virtual machines(VM): Windows
John D K
John D K
Feb 23, 2020
5 min read
Linux Mint: How to quickly switch sound output devices

Linux Mint: How to quickly switch sound output devices

A common task for my working day on Linux Mint
John D K
John D K
Feb 22, 2020
4 min read
PyCharm virtualenv ModuleNotFoundError: No module named 'distutils.core'

PyCharm virtualenv ModuleNotFoundError: No module named 'distutils.core'

1. Overview In this tutorial, we'll see how to solve
John D K
John D K
Feb 12, 2020
3 min read
Mojang Minecraft Common problems and solutions(Java, Windows 10..)

Mojang Minecraft Common problems and solutions(Java, Windows 10..)

Have you tried to play Mojang Minecraft (Java edition or
John D K
John D K
Jan 18, 2020
5 min read
PyCharm/IntelliJ: Locate current open file in Project view

PyCharm/IntelliJ: Locate current open file in Project view

By default Always Select Opened File or Autoscroll from Source
John D K
John D K
Jan 17, 2020
2 min read
How to Create a Bootable Windows 10 USB in Linux Mint

How to Create a Bootable Windows 10 USB in Linux Mint

This short guide describes all steps required in order to
John D K
John D K
Jan 15, 2020
4 min read
Pandas TypeError: unhashable type: 'list'/'dict'

Pandas TypeError: unhashable type: 'list'/'dict'

Have you tried to work with Pandas, but got errors
John D K
John D K
Jan 14, 2020
4 min read
Pandas: How to filter results of value_counts?

Pandas: How to filter results of value_counts?

This post will show you two ways to filter value_
John D K
John D K
Jan 13, 2020
4 min read
Pandas - Random Sample of a subset of a DataFrame - rows or columns

Pandas - Random Sample of a subset of a DataFrame - rows or columns

This post describes how to DataFrame sampling in Pandas works:
John D K
John D K
Jan 10, 2020
4 min read
Linux Mint: How to change encryption password and options

Linux Mint: How to change encryption password and options

In this short guide, I'll show you how to change
John D K
John D K
Jan 8, 2020
2 min read
Pandas - value_counts - multiple columns, all columns and bad data

Pandas - value_counts - multiple columns, all columns and bad data

How to apply Pandas value_counts on multiple columns or
John D K
John D K
Jan 7, 2020
3 min read
Linux Mint: How to create custom commands or alias

Linux Mint: How to create custom commands or alias

A quick and practical guide how to create custom commands
John D K
John D K
Jan 6, 2020
3 min read
Pandas : Crosstab - cross tabulation of two (or more) factors - usage and examples

Pandas : Crosstab - cross tabulation of two (or more) factors - usage and examples

In this article you can learn: * What is crosstab and
John D K
John D K
Jan 5, 2020
4 min read
Google Chrome DevTools: Inspect Network Activity

Google Chrome DevTools: Inspect Network Activity

In this short guide you can find how to use
John D K
John D K
Jan 4, 2020
3 min read
Pandas : Select rows between two dates - DataFrame or CSV file

Pandas : Select rows between two dates - DataFrame or CSV file

Looking to select rows in a CSV file or a
John D K
John D K
Jan 3, 2020
3 min read
How to merge multiple CSV files with Python

How to merge multiple CSV files with Python

In this guide, I'll show you several ways to merge/
John D K
John D K
Jan 2, 2020
4 min read
HDMI/DP Monitor no signal but recognized Linux Mint 19

HDMI/DP Monitor no signal but recognized Linux Mint 19

I have dual monitor setup: 27-inch Dell via DisplayPort and
John D K
John D K
Dec 30, 2019
3 min read
How To Install and Configure Git on Ubuntu

How To Install and Configure Git on Ubuntu

In this short guide, I'll show you how to install
John D K
John D K
Dec 18, 2019
2 min read
Python read huge JSON file with Pandas

Python read huge JSON file with Pandas

Reading huge files with Python ( personally in 2019 I count
John D K
John D K
Nov 13, 2019
2 min read
Linux Rename File: add suffix, replace space, lower and upper case

Linux Rename File: add suffix, replace space, lower and upper case

Need to rename all files in a directory using Linux
John D K
John D K
Nov 13, 2019
2 min read
PyCharm How to restore deleted file

PyCharm How to restore deleted file

PyCharm can easily restore deleted files from your Project by
John D K
John D K
Nov 7, 2019
2 min read
How to Install Oracle JDK in Ubuntu 18 in 2020

How to Install Oracle JDK in Ubuntu 18 in 2020

In this short guide, I'll show you the new way
John D K
John D K
Nov 5, 2019
3 min read
Pycharm DataFrame URLDecoder: Illegal hex characters in escape (%) pattern - Error at index 0 in: " E"

Pycharm DataFrame URLDecoder: Illegal hex characters in escape (%) pattern - Error at index 0 in: " E"

Have you tried to view a Pandas DataFrame but got
John D K
John D K
Nov 4, 2019
2 min read
Python How to Wrap Long Lines in Text file

Python How to Wrap Long Lines in Text file

In this short guide is described how to wrap long
John D K
John D K
Nov 3, 2019
2 min read
Pandas compare columns in two DataFrames

Pandas compare columns in two DataFrames

This is a short article for comparison between one or
John D K
John D K
Nov 1, 2019
5 min read
Run and debug Scrapy projects with PyCharm

Run and debug Scrapy projects with PyCharm

A quick and practical guide about how to debug Scrapy
John D K
John D K
Oct 31, 2019
3 min read
Complete list of 10 best Python IDEs and Code editors of 2020

Complete list of 10 best Python IDEs and Code editors of 2020

What python IDE to chose in 2020? The main purpose
John D K
John D K
Oct 31, 2019
15 min read
Python Pandas extract URL or date by regex

Python Pandas extract URL or date by regex

In Pandas extraction of string patterns is done by methods
John D K
John D K
Oct 31, 2019
4 min read
PyCharm 2019+ Change File Association and File Types

PyCharm 2019+ Change File Association and File Types

PyCharm / IntelliJ recognize most file types automatically by catalog of
John D K
John D K
Oct 26, 2019
2 min read
Enumerate and enum(enumerations) in Python

Enumerate and enum(enumerations) in Python

Python support several ways to deal with enumerations(enums): * built
John D K
John D K
Oct 25, 2019
4 min read
MySQL 8 Access denied for user 'root'@'localhost'

MySQL 8 Access denied for user 'root'@'localhost'

Quick solution for MySQL 8 (and MySQL 5.7) error:
John D K
John D K
Oct 24, 2019
2 min read
Linux Mint and Quotes Desklet

Linux Mint and Quotes Desklet

From this article you can learn how to use Quote
John D K
John D K
Oct 23, 2019
6 min read
Python 3.8 New Features - code name walrus

Python 3.8 New Features - code name walrus

A brief and practical guide to the most important/interesting
John D K
John D K
Oct 16, 2019
5 min read
Linux Mint Alt + F4 not working/Incorrect keyboard layout

Linux Mint Alt + F4 not working/Incorrect keyboard layout

The keyboard combination of ALT + F4 stopped working after upgrade
John D K
John D K
Sep 27, 2019
1 min read
Linux Mint low sound for applications

Linux Mint low sound for applications

A friend of mine complaint about very low sound from
John D K
John D K
Sep 27, 2019
1 min read
PyCharm exclude folders from indexing, find and show usages

PyCharm exclude folders from indexing, find and show usages

One of the best advantages for PyCharm for me are
John D K
John D K
Sep 25, 2019
2 min read
PyCharm You have not concluded your merge MERGE_HEAD exists

PyCharm You have not concluded your merge MERGE_HEAD exists

In PyCharm I got an error like while trying to
John D K
John D K
Sep 24, 2019
1 min read
Split screen, move windows and maximize on Linux mint/Ubuntu

Split screen, move windows and maximize on Linux mint/Ubuntu

In this article you can find how to use split
John D K
John D K
Sep 23, 2019
2 min read
6 Best Practices for Gmail to Boost Your Workflow

6 Best Practices for Gmail to Boost Your Workflow

1. Use labels 2. Create ToDo folder 3. Open Gmail at a given time 4. Keep your inbox clean 5. Use mail templates 6. Customize Theme 7. Gmail scheduling and automation
John D K
John D K
Sep 20, 2019
8 min read
5 Ways To Quickly Launch Programs On Linux Mint

5 Ways To Quickly Launch Programs On Linux Mint

In this article you can find the fastest ways(at
John D K
John D K
Sep 18, 2019
4 min read
Job automation in Linux Mint for beginners 2019

Job automation in Linux Mint for beginners 2019

Automation helps with boring and tedious work, save time and
John D K
John D K
Sep 3, 2019
9 min read
Python Regular Expression Matching Multiline Comments and Docstrings

Python Regular Expression Matching Multiline Comments and Docstrings

Python allows single line / multiline comments and docstrings. In this
John D K
John D K
Aug 31, 2019
2 min read
PyCharm how to delete a git branch locally and remotely

PyCharm how to delete a git branch locally and remotely

Deleting a git branch from GitHub or BitBucket can be
John D K
John D K
Jul 30, 2019
2 min read
Read and count lines of large files in 2019 Linux

Read and count lines of large files in 2019 Linux

Reading and counting lines of huge files could be easy
John D K
John D K
Jul 30, 2019
5 min read
How to reset user password Ghost 2 blog MySQL

How to reset user password Ghost 2 blog MySQL

If you forgot your Ghost blog password and you don't
John D K
John D K
Jul 5, 2019
2 min read
Pandas How to create DataFrame with Random Values N x M

Pandas How to create DataFrame with Random Values N x M

Python and Pandas are very useful when you need to
John D K
John D K
Jul 4, 2019
2 min read
IntelliJ community edition add CSS and JSP syntax highlighting

IntelliJ community edition add CSS and JSP syntax highlighting

One of the differences between IntelliJ community edition and ultimate
John D K
John D K
Jun 17, 2019
5 min read
Python convert normal JSON to JSON separated lines 3 examples

Python convert normal JSON to JSON separated lines 3 examples

If you want to convert .json to .jl (or normal
John D K
John D K
Jun 13, 2019
2 min read
Start and stop application from terminal in Linux Mint 19 / Ubuntu 18.04

Start and stop application from terminal in Linux Mint 19 / Ubuntu 18.04

In this article we will review several scenarios how to
John D K
John D K
Jun 6, 2019
4 min read
Insert multiple rows at once with Python and MySQL

Insert multiple rows at once with Python and MySQL

Multiple SQL inserts at once with Python can be done
John D K
John D K
Jun 6, 2019
3 min read
PyCharm/IntelliJ fast and auto change of the color theme

PyCharm/IntelliJ fast and auto change of the color theme

PyCharm/IntelliJ allow you to change the color themes with
John D K
John D K
Apr 23, 2019
2 min read
Python, Linux, Pandas, Better Programmer video tutorials

Python, Linux, Pandas, Better Programmer video tutorials

The most complete list of popular topics related to Python,
John D K
John D K
Apr 13, 2019
6 min read
Linux Mint add Google Calendar on your desktop

Linux Mint add Google Calendar on your desktop

There is no doubt that Google Calendar is one of
John D K
John D K
Apr 8, 2019
2 min read
Pandas use a list of values to select rows from a column

Pandas use a list of values to select rows from a column

Filtering pandas dataframe by list of a values is a
John D K
John D K
Apr 7, 2019
2 min read
Pandas count and percentage by value for a column

Pandas count and percentage by value for a column

This is the simplest way to get the count, percenrage
John D K
John D K
Apr 6, 2019
1 min read
Python advanced regex extraction example

Python advanced regex extraction example

This post cover advanced techniques for regex extraction from text.
John D K
John D K
Apr 5, 2019
2 min read
PyCharm package requirements not satisfied (requirement already satisfied)

PyCharm package requirements not satisfied (requirement already satisfied)

I'm using PyCharm 2018.2 on a daily basis and
John D K
John D K
Apr 2, 2019
2 min read
Add(remove) Google as search engine for Firefox in easy steps

Add(remove) Google as search engine for Firefox in easy steps

With Mozilla Firefox 31 Google was removed as a search
John D K
John D K
Mar 26, 2019
1 min read
Linux Mint 19 solutions for sound and video problems

Linux Mint 19 solutions for sound and video problems

Linux mint is working flawlessly for me for years. No
John D K
John D K
Mar 4, 2019
6 min read
Linux Mint identify, fix sound problems, set default device

Linux Mint identify, fix sound problems, set default device

I have been using Linux Mint for a years and
John D K
John D K
Mar 2, 2019
4 min read
Play Fortnite on Linux with virtual machine

Play Fortnite on Linux with virtual machine

Can we play Fortnite on Linux? The answer is yes
John D K
John D K
Feb 24, 2019
1 min read
apex legends the game requires directx 11.0 feature level video card

apex legends the game requires directx 11.0 feature level video card

In the previous post and video we saw how we
John D K
John D K
Feb 22, 2019
4 min read
Linux Mint 19 password shows "*" in terminal

Linux Mint 19 password shows "*" in terminal

There is a new change in Linux Mint 19 about
John D K
John D K
Feb 18, 2019
2 min read
Create virtual machine with VMware player 15 Linux Mint/Windows

Create virtual machine with VMware player 15 Linux Mint/Windows

The creation of a virtual machine with VMware Player 15
John D K
John D K
Feb 17, 2019
4 min read
How To Install VMware Player on Ubuntu 18.04/ Mint 19

How To Install VMware Player on Ubuntu 18.04/ Mint 19

VMware Workstation Player is one of the choices for virtualization
John D K
John D K
Feb 14, 2019
2 min read
Apex Legends MSVCP140.dll Is Missing Fix, MSVCP120.dll Is Missing, not starting

Apex Legends MSVCP140.dll Is Missing Fix, MSVCP120.dll Is Missing, not starting

Apex Legends was launched recently as PC, PS4 and Xbox
John D K
John D K
Feb 13, 2019
3 min read
IPython/Jupyter Notebook tricks for advanced in 2019

IPython/Jupyter Notebook tricks for advanced in 2019

This article summaries some of the most useful and interesting
John D K
John D K
Feb 2, 2019
5 min read
Show chmod permissions as a number in Ubuntu/Linux Mint

Show chmod permissions as a number in Ubuntu/Linux Mint

A common problem for beginners working with Ubuntu or Linux
John D K
John D K
Jan 29, 2019
2 min read
PyCharm/IntelliJ 403 Forbidden for git push -u origin master

PyCharm/IntelliJ 403 Forbidden for git push -u origin master

Error 403 is very common error and can be caused
John D K
John D K
Jan 29, 2019
1 min read
Excel export find all results or read excel with Python and Pandas

Excel export find all results or read excel with Python and Pandas

Searching in multiple tabs of excel file and extracting the
John D K
John D K
Jan 15, 2019
2 min read
Pandas Tutorial : How to split dataframe by string or date

Pandas Tutorial : How to split dataframe by string or date

In this article you will find 3 different examples about
John D K
John D K
Jan 9, 2019
5 min read
Pandas Tutorial : How to split columns of dataframe

Pandas Tutorial : How to split columns of dataframe

Columns can be split with Python and Pandas by: * creating
John D K
John D K
Jan 5, 2019
2 min read
Linux Mint 19 How to change user password

Linux Mint 19 How to change user password

You can change the password of the Linux Mint user
John D K
John D K
Jan 3, 2019
1 min read
Linux Mint: Low disk space on Boot

Linux Mint: Low disk space on Boot

There is a common warning message displayed after updates in
John D K
John D K
Jan 2, 2019
3 min read
Linux Mint 19 How to disable "login keyring" and Chrome

Linux Mint 19 How to disable "login keyring" and Chrome

If you see a popup every time when you start
John D K
John D K
Dec 31, 2018
1 min read
Selenium How to get text of the entire page

Selenium How to get text of the entire page

If you use Selenium for automation you may need to
John D K
John D K
Dec 18, 2018
1 min read
Python: How to protect PDF file with password PyPDF2

Python: How to protect PDF file with password PyPDF2

Popular python library PyPDF2 can be used to set password
John D K
John D K
Dec 18, 2018
2 min read
PyCharm Github Push failed: Repository not found

PyCharm Github Push failed: Repository not found

In PyCharm I got an error like: Push failed: Repository
John D K
John D K
Dec 8, 2018
3 min read
PyCharm Bitbucket git credentials for Google account

PyCharm Bitbucket git credentials for Google account

If you have an Bitbucket account created by signing up
John D K
John D K
Dec 7, 2018
2 min read
Linux Mint 19 Add Shortcuts to Panel

Linux Mint 19 Add Shortcuts to Panel

Linux Mint is very good for customization and creating an
John D K
John D K
Dec 3, 2018
3 min read
Python 3 ImportError: No module named 'pandas.core.indexes'

Python 3 ImportError: No module named 'pandas.core.indexes'

This error was raised when I was trying to load
John D K
John D K
Nov 28, 2018
1 min read
Python Pandas  Compare Two CSV files based on a Column

Python Pandas Compare Two CSV files based on a Column

This article shows the python / pandas equivalent of SQL join.
John D K
John D K
Nov 28, 2018
2 min read
Python 3 How to remove white spaces

Python 3 How to remove white spaces

Python 3 offers several different ways for removing spaces from
John D K
John D K
Nov 27, 2018
4 min read
Python count items in list

Python count items in list

There are many different ways to count all elements in
John D K
John D K
Nov 26, 2018
2 min read
Google Chrome error Repository 'http://dl.google.com/linux/chrome/deb stable Release' changed its 'Origin' value from 'Google, Inc.' to 'Google LLC'

Google Chrome error Repository 'http://dl.google.com/linux/chrome/deb stable Release' changed its 'Origin' value from 'Google, Inc.' to 'Google LLC'

Update Manager of Linux Mint 18 recently gave me an
John D K
John D K
Nov 12, 2018
1 min read
Github is behaving badly or October 21 Incident Report

Github is behaving badly or October 21 Incident Report

Yesterday I updated my Github profile and I notice problems
John D K
John D K
Oct 22, 2018
1 min read
Python Pandas How to Concatenate Two Columns

Python Pandas How to Concatenate Two Columns

Concatenating two columns of pandas dataframe is simple as concatenating
John D K
John D K
Oct 16, 2018
2 min read
Python 3 How to Subtract Time

Python 3 How to Subtract Time

If you need to do simple time measurement - the
John D K
John D K
Oct 15, 2018
2 min read
MySQL how to split and/or transform a string

MySQL how to split and/or transform a string

In this article you can see how to split strings
John D K
John D K
Oct 15, 2018
2 min read
Python 3 How to convert date to Unix timestamp

Python 3 How to convert date to Unix timestamp

You can use several Python modules to convert a string
John D K
John D K
Oct 5, 2018
1 min read
Python 3 How to Remove consecutive spaces in a string

Python 3 How to Remove consecutive spaces in a string

Data cleaning is very important in modern world and especially
John D K
John D K
Oct 4, 2018
2 min read
Android 8 how to add Time Zones on home screen

Android 8 how to add Time Zones on home screen

In this article you will find information how to add
John D K
John D K
Oct 3, 2018
1 min read
Python List comprehension tutorial

Python List comprehension tutorial

List comprehensions are powerful technique for creating list and dictionaries
John D K
John D K
Oct 3, 2018
2 min read
Python 3 how to change keys and values of dictionary

Python 3 how to change keys and values of dictionary

If you want to exchange keys and values of a
John D K
John D K
Oct 3, 2018
1 min read
How to display better Markdown tables

How to display better Markdown tables

In this post I want to share my experience with
John D K
John D K
Oct 2, 2018
2 min read
Python Unique List and Groups(case insensitive comparison)

Python Unique List and Groups(case insensitive comparison)

In python you can get unique list very easily by
John D K
John D K
Oct 2, 2018
2 min read
Python compare two strings by ASCII codes and case insensitive

Python compare two strings by ASCII codes and case insensitive

Sometimes the strings look identical but comparison return that they
John D K
John D K
Oct 2, 2018
2 min read
Python 3 compare two list case insensitive

Python 3 compare two list case insensitive

To compare two lists in Python is easy with build
John D K
John D K
Oct 1, 2018
1 min read
Python 3 compare two dictionary keys and values

Python 3 compare two dictionary keys and values

In this article you can see how to compare two
John D K
John D K
Oct 1, 2018
2 min read
Python 3 elegant ways to find most/less common element

Python 3 elegant ways to find most/less common element

If you want to find the most or less common
John D K
John D K
Sep 28, 2018
4 min read
Python 3 simple ways to list files in a folder

Python 3 simple ways to list files in a folder

In this post you can see how to list and
John D K
John D K
Sep 27, 2018
2 min read
Python Download files from AWS S3

Python Download files from AWS S3

Amazon AWS S3 List and download files with Python If
John D K
John D K
Sep 26, 2018
1 min read
Python 3 fatal error: Python.h: No such file or directory

Python 3 fatal error: Python.h: No such file or directory

During installation of project requirements (with PyCharm 2018.0 and
John D K
John D K
Sep 25, 2018
2 min read
Python/pandas convert string column to date

Python/pandas convert string column to date

Often with Python and Pandas you import data from outside
John D K
John D K
Sep 25, 2018
2 min read
Python cumulative sum per group with pandas

Python cumulative sum per group with pandas

Python and pandas offers great functions for programmers and data
John D K
John D K
Sep 25, 2018
4 min read
Python performance profiling in Pycharm

Python performance profiling in Pycharm

Testing performance of Python programs can be done in many
John D K
John D K
Sep 24, 2018
3 min read
How to request JIRA API with Python examples

How to request JIRA API with Python examples

Jira API is simple and powerful but you may have
John D K
John D K
Sep 22, 2018
2 min read
Python uninstall a module installed with pip install

Python uninstall a module installed with pip install

Pip is an extremely useful tool for python programmers. While
John D K
John D K
Sep 22, 2018
2 min read
Linux Mint 19 Add and display new time zones

Linux Mint 19 Add and display new time zones

One functionality which is missing in the base installation is
John D K
John D K
Sep 19, 2018
2 min read
Python and Pandas group by and sum examples

Python and Pandas group by and sum examples

In this article you can find two examples how to
John D K
John D K
Sep 18, 2018
3 min read
Sublime 3 Install New Theme or Use White Color Scheme

Sublime 3 Install New Theme or Use White Color Scheme

As a Linux user I like to use Sublime Text
John D K
John D K
Sep 18, 2018
3 min read
Python declare multiple variables

Python declare multiple variables

Python allow you to declare and initialize more than one
John D K
John D K
Sep 17, 2018
3 min read
Python 3 convert dictionary to SQL insert

Python 3 convert dictionary to SQL insert

In this article you can see how to convert any
John D K
John D K
Sep 16, 2018
3 min read
Python detect and prevent TypeError: sequence item 0 and join iterable

Python detect and prevent TypeError: sequence item 0 and join iterable

Errors in Python are explicit and provide good amount of
John D K
John D K
Sep 15, 2018
2 min read
Python Merge Dictionaries Examples for beginners

Python Merge Dictionaries Examples for beginners

In this article you can see how to merge dictionaries
John D K
John D K
Sep 15, 2018
4 min read
SQL/MySQL How to query 3 tables with or wihtout a join

SQL/MySQL How to query 3 tables with or wihtout a join

You can query more than 2 tables with SQL. Below
John D K
John D K
Sep 13, 2018
2 min read
Python change current directory(up to parent) 3 Examples

Python change current directory(up to parent) 3 Examples

Getting the current folder and moving one or several levels
John D K
John D K
Sep 12, 2018
2 min read
How to detect Python version at runtime

How to detect Python version at runtime

Most people knowns to detect python version by: python -V
John D K
John D K
Sep 11, 2018
1 min read
How to swap variables in Python 3 examples

How to swap variables in Python 3 examples

In programming (and Python especially) swapping values of two variables
John D K
John D K
Sep 10, 2018
2 min read
Simple ways to create shortcut in Linux Mint 19

Simple ways to create shortcut in Linux Mint 19

There are many different ways of creating a shortcut in
John D K
John D K
Sep 9, 2018
2 min read
Python how to delay with a second, a minute, an hour

Python how to delay with a second, a minute, an hour

If you want to delay your code(or delay a
John D K
John D K
Sep 7, 2018
1 min read
Python Tests with Headless Chrome Driver

Python Tests with Headless Chrome Driver

In this post you will see how to write automation
John D K
John D K
Sep 5, 2018
2 min read
Selenium get several child elements(ordered) from parent

Selenium get several child elements(ordered) from parent

If you want to get information from a table or
John D K
John D K
Sep 4, 2018
2 min read
PyCharm/IntelliJ push changes from development to master

PyCharm/IntelliJ push changes from development to master

This article describes the optimal sequence for pushing code from
John D K
John D K
Sep 3, 2018
2 min read
PyCharm/IntelliJ 18 This file is indented with tabs instead of 4 spaces

PyCharm/IntelliJ 18 This file is indented with tabs instead of 4 spaces

In PyCharm / IntelliJ you can see yellow notification of the
John D K
John D K
Sep 1, 2018
1 min read
Python Pandas 7 examples of filters and lambda apply

Python Pandas 7 examples of filters and lambda apply

Using python and pandas you will need to filter your
John D K
John D K
Aug 31, 2018
2 min read
Jupyter/iPython Notebook download files as CSV, zip

Jupyter/iPython Notebook download files as CSV, zip

If you need to keep the Jupyter Notebook output data
John D K
John D K
Aug 31, 2018
4 min read
Reddit confirmation mail not found 2018

Reddit confirmation mail not found 2018

If you try to confirm your Reddit.com mail in
John D K
John D K
Aug 31, 2018
1 min read
Java 11 and Ubuntu Assistive technology not found AWTError

Java 11 and Ubuntu Assistive technology not found AWTError

While running a Java program on gnome - Ubuntu 18.
John D K
John D K
Aug 30, 2018
1 min read
Python string find, like and contains examples

Python string find, like and contains examples

Python offers several different ways to check if a string
John D K
John D K
Aug 30, 2018
3 min read
Python String Remove Last n Characters

Python String Remove Last n Characters

In Python last characters of a string can be removed
John D K
John D K
Aug 28, 2018
1 min read
Docker Container Tutorial - list of all commands and details

Docker Container Tutorial - list of all commands and details

In this post you will find most used docker commands
John D K
John D K
Aug 27, 2018
3 min read
Python index ValueError: substring not found

Python index ValueError: substring not found

Often programmers with different background are confused by error: ValueError:
John D K
John D K
Aug 27, 2018
1 min read
Python  TypeError: string indices must be integers

Python TypeError: string indices must be integers

A common mistake for beginners is: extraction = mystring[1 , 10]
John D K
John D K
Aug 27, 2018
1 min read
Update blog ghost to version 2.0

Update blog ghost to version 2.0

In this post you will see the steps that you
John D K
John D K
Aug 26, 2018
2 min read
Install Wine on Linux Mint 19 and add it to menu

Install Wine on Linux Mint 19 and add it to menu

If you installed Linux Mint 19 you will find that
John D K
John D K
Aug 26, 2018
2 min read
Linux Mint 19/Ubuntu 18.04 Access denied for user 'root'@'localhost'

Linux Mint 19/Ubuntu 18.04 Access denied for user 'root'@'localhost'

On a fresh installation of Linux Mint 19 and Ubuntu
John D K
John D K
Aug 24, 2018
1 min read
MySQL Workbench 8 unsupported operating system for Linux Mint

MySQL Workbench 8 unsupported operating system for Linux Mint

After installation of latest MySQL Workbench downloaded directly from the
John D K
John D K
Aug 24, 2018
1 min read
Linux combine find and copy commands

Linux combine find and copy commands

If you want to copy all files from a folder
John D K
John D K
Aug 21, 2018
1 min read
How To Install R on Linux Mint 19 and configure  PyCharm

How To Install R on Linux Mint 19 and configure PyCharm

Install R on Linux Mint Installation is straightforward and consists
John D K
John D K
Aug 21, 2018
2 min read
Linux Mint 19 How to edit Main Menu

Linux Mint 19 How to edit Main Menu

Editing and customizing main menu of Linux Mint is easy
John D K
John D K
Aug 21, 2018
1 min read
Linux Mint 19 Lock Screen and IntelliJ/PyCharm Reformat Code

Linux Mint 19 Lock Screen and IntelliJ/PyCharm Reformat Code

Linux Mint and IntellijJ/PyCharm has collision about screen lock
John D K
John D K
Aug 21, 2018
1 min read
Linux Mint 19 change languages with shortcut

Linux Mint 19 change languages with shortcut

In Linux Mint 19 there isn't default shortcut for changing
John D K
John D K
Aug 21, 2018
1 min read
Ubuntu 18/IntelliJ check and install Java SDK/JDK

Ubuntu 18/IntelliJ check and install Java SDK/JDK

Update November 2019: The correct way to install Oracle JDK
John D K
John D K
Aug 20, 2018
2 min read
Python 3.6 and Virtual Environments

Python 3.6 and Virtual Environments

Since python 3.6 there is a new way to
John D K
John D K
Aug 20, 2018
1 min read
How to migrate/update virtualenv from Python 3.5 to 3.6

How to migrate/update virtualenv from Python 3.5 to 3.6

Migrating or updating virtualenv from version like 3.5.1
John D K
John D K
Aug 20, 2018
1 min read
Install latest NVIDIA drivers for Linux Mint 19/Ubuntu 18.04

Install latest NVIDIA drivers for Linux Mint 19/Ubuntu 18.04

If you have NVIDIA graphic card like GTX 1080 and
John D K
John D K
Aug 20, 2018
6 min read
Python warning numpy.dtype size changed, may indicate binary incompatibility

Python warning numpy.dtype size changed, may indicate binary incompatibility

After update of python version (from 3.5 to 3.
John D K
John D K
Aug 20, 2018
1 min read
Notebook Ipython/Jupyter how to make cell optional

Notebook Ipython/Jupyter how to make cell optional

If you want to have cell in Notebook Ipython/Jupyter
John D K
John D K
Aug 17, 2018
1 min read
Python how to concatenate file names, create and verify folder?

Python how to concatenate file names, create and verify folder?

In the example below you can see how to create
John D K
John D K
Aug 17, 2018
1 min read
JIRA how to format code python, SQL, Java

JIRA how to format code python, SQL, Java

You have two options of formatting code in JIRA: * using
John D K
John D K
Aug 16, 2018
1 min read
Clementine great Linux music player

Clementine great Linux music player

Another great music player for Linux is Clementine which can
John D K
John D K
Aug 16, 2018
1 min read
MySQL 8 how to select day, month and year from date

MySQL 8 how to select day, month and year from date

Or how to format the date into different output templates.
John D K
John D K
Aug 13, 2018
2 min read
No Python Interpreter Configured For The Module - PyCharm/IntelliJ

No Python Interpreter Configured For The Module - PyCharm/IntelliJ

In PyCharm/IntelliJ working with python files you can see
John D K
John D K
Aug 12, 2018
1 min read
How to install foorbar2000 on Linux

How to install foorbar2000 on Linux

Foobar2000 is lightweight and very good music player for windows.
John D K
John D K
Aug 12, 2018
2 min read
Python SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 2-3: truncated \UXXXXXXXX escape

Python SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 2-3: truncated \UXXXXXXXX escape

In this post, you can find several solutions for: SyntaxError:
John D K
John D K
Aug 7, 2018
2 min read
How to import CSV file into MySQL 3 examples

How to import CSV file into MySQL 3 examples

3 tools offers easy and free import of CSV files
John D K
John D K
Aug 7, 2018
3 min read
Discord group and free live sessions for beginners in programming

Discord group and free live sessions for beginners in programming

Hey guys. I plan to do experiment with teaching programming
John D K
John D K
Aug 5, 2018
1 min read
Python how to print pretty table from dictionary or list

Python how to print pretty table from dictionary or list

Python offers several different ways of beautifying the output of
John D K
John D K
Aug 2, 2018
3 min read
Python NameError: name 'self' is not defined

Python NameError: name 'self' is not defined

Common errors for beginners related to self in Python is:
John D K
John D K
Aug 1, 2018
1 min read
Python write to file in append or truncate mode

Python write to file in append or truncate mode

Open the file in append mode or truncate mode can
John D K
John D K
Jul 31, 2018
1 min read
IntelliJ/PyCharm surround string with quotes

IntelliJ/PyCharm surround string with quotes

If you want to surround selected string or text in
John D K
John D K
Jul 31, 2018
2 min read
Python How To Return Multiple Values

Python How To Return Multiple Values

Python offers several different ways of returning more than one
John D K
John D K
Jul 31, 2018
3 min read
Python UnboundLocalError: local variable 'abs' referenced before assignment

Python UnboundLocalError: local variable 'abs' referenced before assignment

In python you can see error like: UnboundLocalError: local variable
John D K
John D K
Jul 31, 2018
1 min read
JetBrains Promotions/disconts 2018

JetBrains Promotions/disconts 2018

Now you can buy all JetBrains products with 50% disconts.
John D K
John D K
Jul 30, 2018
1 min read
How to Transpose CSV/text File Python

How to Transpose CSV/text File Python

If you want to transpose rows to columns in python
John D K
John D K
Jul 30, 2018
1 min read
Using Notepad++ on Linux Mint/Ubuntu 18

Using Notepad++ on Linux Mint/Ubuntu 18

As a happy user of Notepad++ I like to have
John D K
John D K
Jul 30, 2018
2 min read
text/CSV file to dataframe with Python and pandas

text/CSV file to dataframe with Python and pandas

In this post you can find information about several topics
John D K
John D K
Jul 29, 2018
3 min read
Ubuntu 18 and Dota 2 error

Ubuntu 18 and Dota 2 error

Dota 2 can be installed on Ubuntu 18 or Linux
John D K
John D K
Jul 28, 2018
1 min read
Python and Jupyter save and download CSV file

Python and Jupyter save and download CSV file

Jupyter is perfect for interactive coding, visualization development, automation tests
John D K
John D K
Jul 27, 2018
1 min read
Python flatten dictionary with pandas

Python flatten dictionary with pandas

Dictionary/maps are very common data structures in programming and
John D K
John D K
Jul 27, 2018
2 min read
Python normalize JSON data with pandas

Python normalize JSON data with pandas

Very frequently JSON data needs to be normalized in order
John D K
John D K
Jul 25, 2018
10 min read
How to create Jupyter Notebook in PyCharm

How to create Jupyter Notebook in PyCharm

PyCharm support working with Jupyter Notebooks local and remote connection.
John D K
John D K
Jul 25, 2018
2 min read
Python popular snippets, boiler-plates, projects, libraries 2018

Python popular snippets, boiler-plates, projects, libraries 2018

In this post I'll share all libraries, modules, snippets, boiler-plates,
John D K
John D K
Jul 25, 2018
3 min read
IntelliJ/PyCharm not showing all git branches

IntelliJ/PyCharm not showing all git branches

In PyCharm/IntelliJ you can see all local and remove
John D K
John D K
Jul 24, 2018
1 min read
Python/Java bad and good code comments examples

Python/Java bad and good code comments examples

In this article are shown the sins of comments and
John D K
John D K
Jul 23, 2018
3 min read
Python error invalid syntax for method arguments

Python error invalid syntax for method arguments

In python you can have error related to named/keyword
John D K
John D K
Jul 23, 2018
1 min read
Ubuntu 18 how to install Jupyter Notebook/IPython

Ubuntu 18 how to install Jupyter Notebook/IPython

This is a quick tutorial how to install Jupyter Notebook
John D K
John D K
Jul 21, 2018
3 min read
Python 3 SyntaxError: invalid syntax f strings

Python 3 SyntaxError: invalid syntax f strings

I was working on a old python project and I
John D K
John D K
Jul 21, 2018
2 min read
Blog Ghost error Validating Config

Blog Ghost error Validating Config

After an OS restart I had problems with starting Blog
John D K
John D K
Jul 21, 2018
1 min read
Python 3 read and set environmental variable

Python 3 read and set environmental variable

If you want to read, set and modify environmental variables
John D K
John D K
Jul 20, 2018
1 min read
How to install Python 3.7 and setup PyCharm on Linux Mint 18/19

How to install Python 3.7 and setup PyCharm on Linux Mint 18/19

How to install Linux Mint 3.7 (the latest one)
John D K
John D K
Jul 20, 2018
3 min read
Linux Mint 18 no writable keyring found: eof and gpgkeys: key ... not found on keyserver

Linux Mint 18 no writable keyring found: eof and gpgkeys: key ... not found on keyserver

Today I faced two errors: * gpgkeys: key ... not found on
John D K
John D K
Jul 20, 2018
1 min read
Python 3 how to print colors and tab aligned

Python 3 how to print colors and tab aligned

Python offers several ways of formatting and doing tricks like
John D K
John D K
Jul 20, 2018
2 min read
Sublime 4 Text Reindent JSON file

Sublime 4 Text Reindent JSON file

By default you can't reindent JSON file in Sublime. In
John D K
John D K
Jul 19, 2018
1 min read
Linux Mint 18/19 enable shutter Edit

Linux Mint 18/19 enable shutter Edit

Default installation of shutter comes with disabled Edit option. If
John D K
John D K
Jul 19, 2018
1 min read
PyCharm/IntelliJ edit only a commit message

PyCharm/IntelliJ edit only a commit message

If you need to change/amend your commit message in
John D K
John D K
Jul 19, 2018
2 min read
Best programming music in 2018

Best programming music in 2018

Enhance the programming experience with the nice music is essential
John D K
John D K
Jul 18, 2018
1 min read
Python list vs set examples and performance

Python list vs set examples and performance

In Python there are two 'similar' data structures: * list -
John D K
John D K
Jul 18, 2018
2 min read
PyCharm/IntelliJ extract all methods from a file

PyCharm/IntelliJ extract all methods from a file

If you want to collect signatures of all methods in
John D K
John D K
Jul 18, 2018
1 min read
Python Dictionary errors SyntaxError and AttributeError 'dict' object has no attribute 'name'

Python Dictionary errors SyntaxError and AttributeError 'dict' object has no attribute 'name'

In this post I want to list two common mistakes
John D K
John D K
Jul 18, 2018
1 min read
Python 3  float precision and 8.5 - 8.4

Python 3 float precision and 8.5 - 8.4

Many programmers are surprised to learn that modern programming languages
John D K
John D K
Jul 18, 2018
3 min read
Python 3 if else one line or ternary operator

Python 3 if else one line or ternary operator

Ternary conditional operator or know also as one line if
John D K
John D K
Jul 17, 2018
2 min read
Python 3 profile method in isolation

Python 3 profile method in isolation

Very often there are performance problems or software needs tunning.
John D K
John D K
Jul 17, 2018
2 min read
24 Practical Performance Tips for Programmers Part 2

24 Practical Performance Tips for Programmers Part 2

This is the second part of an article listing simple
John D K
John D K
Jul 17, 2018
13 min read
Python 3 AttributeError: module 'cld2' has no attribute 'detect'

Python 3 AttributeError: module 'cld2' has no attribute 'detect'

Frequent error in Python by beginners is: AttributeError: module 'cld2'
John D K
John D K
Jul 17, 2018
2 min read
Python 3 language detection

Python 3 language detection

In python there many modules available for language detection based
John D K
John D K
Jul 17, 2018
2 min read
How to log out/in from Waze

How to log out/in from Waze

The Waze application has logout/login process which is not
John D K
John D K
Jul 16, 2018
1 min read
Python - List and Set Operations

Python - List and Set Operations

In this article, we will compare and explain the most
John D K
John D K
Jul 15, 2018
3 min read
How to get first/last N elements of dictionary in Python

How to get first/last N elements of dictionary in Python

Getting the first or last element of a dictionary Python
John D K
John D K
Jul 14, 2018
3 min read
PyCharm/IntelliJ 18 change Git user

PyCharm/IntelliJ 18 change Git user

Very often you will have more than one git user
John D K
John D K
Jul 13, 2018
1 min read
Ubuntu 18 AWS S3 best client, terminal and setup

Ubuntu 18 AWS S3 best client, terminal and setup

Linux Ubuntu 18 and Linux Mint 18.1 offer good
John D K
John D K
Jul 13, 2018
2 min read
IntelliJ/PyCharm 18 find with regex and save result to text file

IntelliJ/PyCharm 18 find with regex and save result to text file

You can do a search in IntelliJ/PyCharm by using
John D K
John D K
Jul 11, 2018
1 min read
Example interview for Java beginners 2018

Example interview for Java beginners 2018

Dear Java beginners, please find interview questions for Java beginners
John D K
John D K
Jul 9, 2018
3 min read
Linux Mint 18 Fix Fix GPG Error BADSIG during update of repository

Linux Mint 18 Fix Fix GPG Error BADSIG during update of repository

This morning I saw the red X on my Update
John D K
John D K
Jul 3, 2018
2 min read
Ubuntu 18 how to install latest python 3.7 and list all python versions

Ubuntu 18 how to install latest python 3.7 and list all python versions

Python is installed by default in Ubuntu and Linux Mint.
John D K
John D K
Jul 2, 2018
4 min read
Create and Boot Linux Live USB on windows machine

Create and Boot Linux Live USB on windows machine

Linux live USB can be great tool in many problematic
John D K
John D K
Jun 29, 2018
4 min read
7 Types of Programmers Based on Maslow Hierarchy of Needs

7 Types of Programmers Based on Maslow Hierarchy of Needs

Whilst the most programmers of the world are concerned about
John D K
John D K
Jun 28, 2018
3 min read
Funny programmers jokes N-driven management

Funny programmers jokes N-driven management

frAgile vs DisasterFall vs iCanBan. Building a new product or
John D K
John D K
Jun 26, 2018
3 min read
Before to ask or How to use google for beginner programmers

Before to ask or How to use google for beginner programmers

One of the essential skills in programming is to ask
John D K
John D K
Jun 26, 2018
3 min read
IntelliJ Debug, conditional breakpoints and step back

IntelliJ Debug, conditional breakpoints and step back

Debug is very important part of the programming process which
John D K
John D K
Jun 24, 2018
3 min read
Sublime Text 3 tricks: compare files, highlight and regex

Sublime Text 3 tricks: compare files, highlight and regex

In this post: * How to compare files with sublime * natively
John D K
John D K
Jun 23, 2018
3 min read
24 Practical Performance Tips for Programmers

24 Practical Performance Tips for Programmers

Do you want to be better programmer? Do you want
John D K
John D K
Jun 23, 2018
14 min read
Count words and phrases in a column MySQL/SQL

Count words and phrases in a column MySQL/SQL

In this post: * MySQL Count words in a column per
John D K
John D K
Jun 18, 2018
2 min read
How To Upgrade From Ubuntu 16.04 to Ubuntu 18.04

How To Upgrade From Ubuntu 16.04 to Ubuntu 18.04

Ubuntu 18.04 or Bionic Beaver is available since April
John D K
John D K
Jun 3, 2018
4 min read
Complete Guide How To Migrate From Eclipse To IntelliJ IDEA

Complete Guide How To Migrate From Eclipse To IntelliJ IDEA

Speaking about best IDEs or programming languages can similar to
John D K
John D K
May 31, 2018
7 min read
Linux Mint 17/Ubuntu 16.04 Bazel Key Expired - KEYEXPIRED 1527185977

Linux Mint 17/Ubuntu 16.04 Bazel Key Expired - KEYEXPIRED 1527185977

In this post: * How to solve invalid: KEYEXPIRED 1527185977 * Ubuntu
John D K
John D K
May 30, 2018
2 min read
Python Multiline Comments Or How To Comment Multiple Lines

Python Multiline Comments Or How To Comment Multiple Lines

Python has several ways to comment multiple lines in Python. Python multiline comment would look like to: # This is a # multi-line comment
John D K
John D K
May 28, 2018
3 min read
Python how to pretty print data - JSON, XML, dict

Python how to pretty print data - JSON, XML, dict

In this post: * Python pretty print JSON indent 4 sort
John D K
John D K
May 26, 2018
3 min read
PyCharm Version Control and git complete tutorial for beginners

PyCharm Version Control and git complete tutorial for beginners

In this post: * Version control and PyCharm * setup git for
John D K
John D K
May 23, 2018
5 min read
Python How to sort items in dictionary 5 examples

Python How to sort items in dictionary 5 examples

In Python you can get the items of dictionary sorted
John D K
John D K
May 21, 2018
2 min read
Python How to check string for substring

Python How to check string for substring

In python you can test a string if it contains
John D K
John D K
May 20, 2018
3 min read
Better programmer: do working plan

Better programmer: do working plan

Every programmer wants to be a better one, to receive
John D K
John D K
May 19, 2018
4 min read
Learn Python for Beginners Complete Tutorial

Learn Python for Beginners Complete Tutorial

Why python? Python is easier to learn in comparison to
John D K
John D K
May 18, 2018
5 min read
Programming Best Practices - practical tips

Programming Best Practices - practical tips

Programming Best Practices for any language like: * JavaScript * Java * Python
John D K
John D K
May 17, 2018
5 min read
IntelliJ/PyCharm performance and beauty tips

IntelliJ/PyCharm performance and beauty tips

This post contains some productivity, performance and code beautifying tips.
John D K
John D K
May 16, 2018
4 min read
Add SSH key and Permission denied (publickey)

Add SSH key and Permission denied (publickey)

If you have generated SSH key pair which you are
John D K
John D K
May 14, 2018
3 min read
Python String Methods Tutorial

Python String Methods Tutorial

Strings(sequence of characters) are widely used in programming and
John D K
John D K
May 14, 2018
5 min read
Python how to decrease image size keeping quality

Python how to decrease image size keeping quality

If you need to optimize your site you could be
John D K
John D K
May 12, 2018
3 min read
Python Regex Cheat Sheet with Examples

Python Regex Cheat Sheet with Examples

In this post: * Regular Expression Basic examples * Example find any
John D K
John D K
May 12, 2018
6 min read
Python while loop examples

Python while loop examples

A python while loop is a control statement that allows
John D K
John D K
May 11, 2018
3 min read
How to round float values in Python

How to round float values in Python

You can round a float number in several ways using
John D K
John D K
May 10, 2018
1 min read
Python Useful Tips and Reference Project

Python Useful Tips and Reference Project

Python popularity is growing a lot in the last years.
John D K
John D K
May 9, 2018
3 min read
Better programmer: solve problems related to programming

Better programmer: solve problems related to programming

If you want to be better programmer then you need
John D K
John D K
May 9, 2018
3 min read
Python Regular Expression Tutorial for Beginners

Python Regular Expression Tutorial for Beginners

In this post: * python regex match * python regex search * python
John D K
John D K
May 8, 2018
2 min read
python files tutorial for beginners

python files tutorial for beginners

In this post: * Read files with python * Write files with
John D K
John D K
May 7, 2018
2 min read
Python common beginners mistakes

Python common beginners mistakes

In this post: * AttributeError: 'dict' object has no attribute 'dumps'
John D K
John D K
May 6, 2018
3 min read
Python JSON tutorial for beginners

Python JSON tutorial for beginners

Python, Python dictionaries and JSON (JavaScript Object Notation - a
John D K
John D K
May 5, 2018
4 min read
IntelliJ Community edition customize for grails

IntelliJ Community edition customize for grails

This post will do customization on IntelliJ Community edition showing
John D K
John D K
May 3, 2018
2 min read
Python scrapy tutorial for beginners

Python scrapy tutorial for beginners

If you want to scrap web pages using python -
John D K
John D K
May 2, 2018
3 min read
Python convert string to date/time

Python convert string to date/time

Converting strings which contains dates and/or time is easy
John D K
John D K
May 2, 2018
2 min read
Python convert string to int 6 examples

Python convert string to int 6 examples

In this post: * Convert string to int * Convert string to
John D K
John D K
May 1, 2018
2 min read
PyCharm Unresolved Reference

PyCharm Unresolved Reference

In PyCharm you may face errors like: Unresolved reference 'print'
John D K
John D K
May 1, 2018
1 min read
Better programmer - the way of programmers

Better programmer - the way of programmers

Learning to write programs is a long path. If you
John D K
John D K
Apr 30, 2018
3 min read
Python Developers Community in 2018

Python Developers Community in 2018

Very interesting survey named: Python Developers Survey 2017 Results was
John D K
John D K
Apr 30, 2018
3 min read
Python download and install for Windows / Ubuntu

Python download and install for Windows / Ubuntu

In this post: * download python * general tips for choosing version
John D K
John D K
Apr 30, 2018
4 min read
Python 3.7 features and release date

Python 3.7 features and release date

Python 3.7 is the next big release for python
John D K
John D K
Apr 29, 2018
3 min read
How to prepare for SQL interview in 2018

How to prepare for SQL interview in 2018

Preparing for SQL interview or exam is easy if you
John D K
John D K
Apr 29, 2018
3 min read
MySQL Useful tips and reference project

MySQL Useful tips and reference project

MySQL is the most popular DB for several years. Yet
John D K
John D K
Apr 28, 2018
2 min read
Java 8 map sort by value, key or insert order

Java 8 map sort by value, key or insert order

Since Java 8 sorting of HashMap in Java it's much
John D K
John D K
Apr 26, 2018
3 min read
Java parse String into int

Java parse String into int

Java string to int String which are numbers can be
John D K
John D K
Apr 25, 2018
1 min read
Java convert string to list of characters

Java convert string to list of characters

Convert string to list of strings in Java If you
John D K
John D K
Apr 25, 2018
1 min read
Ubuntu 18 as development machine for java/python

Ubuntu 18 as development machine for java/python

If you want to prepare new developer machine for java/
John D K
John D K
Apr 24, 2018
4 min read
MySQL select min and max length of all table columns

MySQL select min and max length of all table columns

If you want to query min and max length of
John D K
John D K
Apr 24, 2018
3 min read
Anagrams and Palindromes examples in Java 8

Anagrams and Palindromes examples in Java 8

In this post: * anagram example in Java * check two words
John D K
John D K
Apr 23, 2018
3 min read
Python dependency error modules has requirement which is incompatible.

Python dependency error modules has requirement which is incompatible.

Quick and dirty solution for pip dependency errors is: pip
John D K
John D K
Apr 22, 2018
1 min read
Python read, validate and import CSV/JSON file to MySQL

Python read, validate and import CSV/JSON file to MySQL

In this post how to read, parse and load CSV/
John D K
John D K
Apr 22, 2018
5 min read
IntelliJ Idea Integrating with Bitbucket repository

IntelliJ Idea Integrating with Bitbucket repository

Bitbucket and IntelliJ git integration was one of the reasons
John D K
John D K
Apr 19, 2018
3 min read
Set up Linux Mint 18 as a Development Machine for Java/Python

Set up Linux Mint 18 as a Development Machine for Java/Python

If you want to prepare new developer machine for java/
John D K
John D K
Apr 17, 2018
4 min read
VirtualBox Boot Live Linux in Windows Guest

VirtualBox Boot Live Linux in Windows Guest

If you want to run live CD or USB in
John D K
John D K
Apr 16, 2018
1 min read
How to Install VMware Player 14 on Ubuntu 18

How to Install VMware Player 14 on Ubuntu 18

In order to install VMware Player(it's free for non
John D K
John D K
Apr 16, 2018
2 min read
Linux Mint 18 problem with safely remove USB

Linux Mint 18 problem with safely remove USB

I faced problem with my desktop machine running on Linux
John D K
John D K
Apr 16, 2018
1 min read
MySQL 8 Set or reset user password

MySQL 8 Set or reset user password

Reset of MySQL password can be done in several ways
John D K
John D K
Apr 15, 2018
4 min read
Maven project IntelliJ Could not find or load main class root

Maven project IntelliJ Could not find or load main class root

The Intellij IDEA error for Maven project: Error: Could not
John D K
John D K
Apr 15, 2018
2 min read
IntelliJ IDEA 18 set up git Linux/Ubuntu

IntelliJ IDEA 18 set up git Linux/Ubuntu

In this post: * Version control and IntelliJ IDEA 18 * setup
John D K
John D K
Apr 15, 2018
2 min read
Install Google Chrome in Ubuntu 18

Install Google Chrome in Ubuntu 18

Google Chrome is not installed by default in Ubuntu Linux
John D K
John D K
Apr 14, 2018
1 min read
Install Tensorflow with NVIDIA GPU on Ubuntu

Install Tensorflow with NVIDIA GPU on Ubuntu

How to install Tensorflow with NVIDIA GPU - using the
John D K
John D K
Apr 13, 2018
6 min read
Python Anagrams and Palindromes examples

Python Anagrams and Palindromes examples

In this post: * anagram example * check two words if they
John D K
John D K
Apr 12, 2018
2 min read
Download and verify Linux Mint ISO

Download and verify Linux Mint ISO

Updated: The article is updated with steps for verification -
John D K
John D K
Apr 9, 2018
5 min read
Java lambda expressions simple examples

Java lambda expressions simple examples

Several simple and useful lambda expressions in Java: * no parameters:
John D K
John D K
Apr 4, 2018
3 min read
Java Local Variable Type Inference examples

Java Local Variable Type Inference examples

In this post: * what is Local Variable Type Inference * examples
John D K
John D K
Apr 3, 2018
4 min read
Java map examples

Java map examples

In this post about java map / dictionary: * Define a java
John D K
John D K
Apr 2, 2018
2 min read
Java string concatenate examples with times

Java string concatenate examples with times

Three ways to concatenate in Java: * by using operator += * by
John D K
John D K
Apr 1, 2018
2 min read
Python 3 concatenate string 7 examples

Python 3 concatenate string 7 examples

Several ways to concatenate strings in python: * string concatenate by
John D K
John D K
Mar 30, 2018
2 min read
Linux Mint 18 add custom folder to panel

Linux Mint 18 add custom folder to panel

One of the things that I really love in Linux
John D K
John D K
Mar 28, 2018
1 min read
IntelliJ IDEA Error Loading Project: Cannot load facet Python

IntelliJ IDEA Error Loading Project: Cannot load facet Python

In this post you will find information how to solve
John D K
John D K
Mar 28, 2018
2 min read
java benchmarks examples

java benchmarks examples

In this post two examples of java benchmark: * simple time
John D K
John D K
Mar 27, 2018
3 min read
Java 10 install on Ubuntu and what's new

Java 10 install on Ubuntu and what's new

OpenJDK 10 was released on 20 March 2018 with new
John D K
John D K
Mar 26, 2018
2 min read
Python 3 lambda functions 7 examples

Python 3 lambda functions 7 examples

This is the simplest lambda: f = lambda x: x I
John D K
John D K
Mar 26, 2018
2 min read
Python 3 transpose list of lists different size

Python 3 transpose list of lists different size

I wanted to transpose list of lists in python 3
John D K
John D K
Mar 25, 2018
2 min read
Java 9  range(int, int) example

Java 9 range(int, int) example

Java's 9 equivalent of python's range could be done by
John D K
John D K
Mar 25, 2018
1 min read
Java 9 vs Python 3 code compare

Java 9 vs Python 3 code compare

For many years there is a rivalry between Java and
John D K
John D K
Mar 25, 2018
5 min read
quantum computing for beginners basic terms

quantum computing for beginners basic terms

In previous post we show short introduction of some conceptions
John D K
John D K
Mar 24, 2018
2 min read
python extract text from image or pdf

python extract text from image or pdf

In this post: * Python extract text from image * Python OCR(
John D K
John D K
Mar 24, 2018
3 min read
MySQL create, alter and drop table, DB

MySQL create, alter and drop table, DB

In previous posts we saw some DML(Data Manipulation Language)
John D K
John D K
Mar 22, 2018
1 min read
Quantum computing for beginners

Quantum computing for beginners

The aim of this tutorial is to explain in simple
John D K
John D K
Mar 22, 2018
3 min read
Better programmer: overwork or knowing when to stop?

Better programmer: overwork or knowing when to stop?

Most programmers try to maximize their productivity to meet deadlines
John D K
John D K
Mar 22, 2018
3 min read
Better programmer - crystal clear thinker

Better programmer - crystal clear thinker

First of all you may ask: WHY do I need
John D K
John D K
Mar 22, 2018
2 min read
MySQL coalesce, exists, union and having example

MySQL coalesce, exists, union and having example

Working with SQL requires formatting and filtering of data which
John D K
John D K
Mar 21, 2018
2 min read
Google translate and Google voice to text 2018

Google translate and Google voice to text 2018

Computer translation and voice to text software continue to evolve
John D K
John D K
Mar 21, 2018
2 min read
Ubuntu 18 Start simple web host with python on localhost

Ubuntu 18 Start simple web host with python on localhost

Python is part of Ubuntu so you can use python
John D K
John D K
Mar 18, 2018
1 min read
Java 9 how to format string 7 examples

Java 9 how to format string 7 examples

In post are covered string formats for: * String.format() -
John D K
John D K
Mar 17, 2018
3 min read
Java 9 ArrayList how to count number of elements

Java 9 ArrayList how to count number of elements

In this 3 different ways of counting elements of ArrayList
John D K
John D K
Mar 16, 2018
1 min read
Java 9 ArrayList and List index example

Java 9 ArrayList and List index example

With ArrayList and List you can get the index of
John D K
John D K
Mar 16, 2018
1 min read
Java 9 ArrayList removeAll except some

Java 9 ArrayList removeAll except some

Method retain() of ArrayList class can be used if you
John D K
John D K
Mar 16, 2018
1 min read
Java 9 ArrayList clear and empty check

Java 9 ArrayList clear and empty check

You can check if an ArrayList list is empty by
John D K
John D K
Mar 16, 2018
1 min read
Java 9 ArrayList add, set and remove element

Java 9 ArrayList add, set and remove element

Java ArrayList has useful methods for adding, setting and removing
John D K
John D K
Mar 16, 2018
2 min read
Quantum vs Classic Computer: Hide Queen

Quantum vs Classic Computer: Hide Queen

I want to start a new tutorial about Quantum computers
John D K
John D K
Mar 15, 2018
2 min read
MySQL update, insert, delete examples

MySQL update, insert, delete examples

In this post we will cover the rest of the
John D K
John D K
Mar 15, 2018
1 min read
SQL select aggregate functions examples

SQL select aggregate functions examples

In this post we will cover most used SQL select
John D K
John D K
Mar 14, 2018
1 min read
Ubuntu 18 create new sudo user and change password of user

Ubuntu 18 create new sudo user and change password of user

Creating new user in Ubuntu or Linux Mint and assigning
John D K
John D K
Mar 14, 2018
1 min read
StackOverFlow surver 2018 is out - interesting extracts

StackOverFlow surver 2018 is out - interesting extracts

The biggest survey amongst programmers is published for 2018. There
John D K
John D K
Mar 14, 2018
2 min read
SQL select examples

SQL select examples

This is part of tutorial learning SQL from beginners in
John D K
John D K
Mar 13, 2018
1 min read
Java 9 play with jshell ( interactive java console) Ubuntu

Java 9 play with jshell ( interactive java console) Ubuntu

If you have installed Java 9 on your machine you
John D K
John D K
Mar 13, 2018
2 min read
Java 9 Array how to copy and clone

Java 9 Array how to copy and clone

Coping and clone of Array in Java may seem easy
John D K
John D K
Mar 12, 2018
2 min read
ArrayList Java 9 how to add new item

ArrayList Java 9 how to add new item

There are two ways of adding new time to ArrayList
John D K
John D K
Mar 12, 2018
1 min read
Better programmer: from idea to product

Better programmer: from idea to product

How many times had a great idea and wanted to
John D K
John D K
Mar 11, 2018
3 min read
Java 10 How to create and use enum

Java 10 How to create and use enum

Working with enums in Java 10 you have many options
John D K
John D K
Mar 11, 2018
3 min read
Java read java file and extract classes and methods

Java read java file and extract classes and methods

If you want to read java file and print only
John D K
John D K
Mar 10, 2018
3 min read
Programmers Hall of Fame: Dibakar Saha

Programmers Hall of Fame: Dibakar Saha

I'm happy to announce the launch of new topic: Programmers
John D K
John D K
Mar 10, 2018
4 min read
Python how to write csv file

Python how to write csv file

If you want to create csv file using python you
John D K
John D K
Mar 9, 2018
1 min read
python how to read csv file

python how to read csv file

Reading csv file in python is simple: csv = open("/home/
John D K
John D K
Mar 9, 2018
1 min read
Python how to print without newline

Python how to print without newline

If you want to use print method and print without
John D K
John D K
Mar 9, 2018
1 min read
Python for loop examples

Python for loop examples

In this post is covered the usage of for loop
John D K
John D K
Mar 9, 2018
2 min read
Intellij dual SDK Java plus Python

Intellij dual SDK Java plus Python

You can use IntelliJ with dual SDK configuration. In my
John D K
John D K
Mar 8, 2018
1 min read
Java string split with limit and lookahead

Java string split with limit and lookahead

In java you can do special string splits as: * using
John D K
John D K
Mar 8, 2018
1 min read
Python string to upper, lower or capitalize

Python string to upper, lower or capitalize

Python string supports methods which make very easy the converting
John D K
John D K
Mar 8, 2018
1 min read
Python string replace examples

Python string replace examples

In python you can do string replace by method replace.
John D K
John D K
Mar 8, 2018
1 min read
Java 8 string replace examples

Java 8 string replace examples

String replace in java is done by methods: * replace() -
John D K
John D K
Mar 8, 2018
1 min read
Java string length examples

Java string length examples

The lenght of java string can be get very easu
John D K
John D K
Mar 8, 2018
1 min read
Python range example and explanation

Python range example and explanation

In this article are covered several examples of range function:
John D K
John D K
Mar 7, 2018
2 min read
Ubuntu / Linux Mint customize terminal view

Ubuntu / Linux Mint customize terminal view

If you want to customize terminal of Ubuntu / Linux Mint
John D K
John D K
Mar 6, 2018
1 min read
Python enum create, access and loop examples

Python enum create, access and loop examples

In this post we will have a look on enums
John D K
John D K
Mar 6, 2018
2 min read
Python test performance and measure time elapsed in seconds

Python test performance and measure time elapsed in seconds

Three four ways of measuring time in Python: * start = time.
John D K
John D K
Mar 5, 2018
2 min read
Python fibonacci sequence optimized 4 examples

Python fibonacci sequence optimized 4 examples

In this article we will have a look of: * simple
John D K
John D K
Mar 5, 2018
2 min read
Python sort list ascending and descending 6 examples

Python sort list ascending and descending 6 examples

In this post: * Python sort list of integers (original) * Python
John D K
John D K
Mar 5, 2018
3 min read
python join and merge list 4 examples

python join and merge list 4 examples

Two list can be merge in python in many ways:
John D K
John D K
Mar 4, 2018
2 min read
python sleep 5 examples

python sleep 5 examples

If you want to delay your program with certain amount
John D K
John D K
Mar 4, 2018
1 min read
Completely Uninstall Google Chrome or Chromium in Linux Mint

Completely Uninstall Google Chrome or Chromium in Linux Mint

1. Overview In this tutorial, we will see how to
John D K
John D K
Mar 4, 2018
2 min read
Ubuntu Server 16.04 Enable SSH and connect

Ubuntu Server 16.04 Enable SSH and connect

If you want to connect to Ubuntu Server 16.04
John D K
John D K
Mar 4, 2018
2 min read
MySQL slow query and type conversion

MySQL slow query and type conversion

In MySQL you can have query that it's taking much
John D K
John D K
Mar 4, 2018
2 min read
Java 8 ArrayList reverse, sort asc and desc, shuffle with seed

Java 8 ArrayList reverse, sort asc and desc, shuffle with seed

In this post we will see how to: * reverse ArrayList
John D K
John D K
Mar 3, 2018
5 min read
Java 8 how to shuffle several ArrayList in same order

Java 8 how to shuffle several ArrayList in same order

If you want to shuffle two and more list in
John D K
John D K
Mar 3, 2018
3 min read
Java 8 clone ArrayList with elements

Java 8 clone ArrayList with elements

In Java 8 it's possible to clone ArrayList by two
John D K
John D K
Mar 3, 2018
2 min read
Java regex match abbreviations 5 examples

Java regex match abbreviations 5 examples

In this tutorial, you will see several regex examples like:
John D K
John D K
Mar 1, 2018
2 min read
java 8 sql timestamp examples

java 8 sql timestamp examples

Several examples showing how to use: import java.sql.Timestamp;
John D K
John D K
Mar 1, 2018
3 min read
python string split by separator

python string split by separator

How to split string in python with ot without regex,
John D K
John D K
Feb 28, 2018
2 min read
mysql select N max values per group

mysql select N max values per group

In this post: * Get N numbers per group * Get N
John D K
John D K
Feb 28, 2018
3 min read
mysql join simple example for beginners

mysql join simple example for beginners

SQL join are explained by Venn diagrams. Venn diagrams are
John D K
John D K
Feb 27, 2018
3 min read
SQL or NoSQL in 2018: comparison of MySQL and MongoDB

SQL or NoSQL in 2018: comparison of MySQL and MongoDB

In this post: * Main differences between relational vs non-relational * The
John D K
John D K
Feb 26, 2018
3 min read
Notepad++ regex find group of words and replace

Notepad++ regex find group of words and replace

You can check other example here: Notepad++ regex replace capture
John D K
John D K
Feb 26, 2018
1 min read
Oracle count null and not null values in column

Oracle count null and not null values in column

In this article we will post two ways of counting
John D K
John D K
Feb 23, 2018
1 min read
MySQL 5.7 count null and not null values in column

MySQL 5.7 count null and not null values in column

In this article we are going to present several ways
John D K
John D K
Feb 23, 2018
3 min read
MySQL 5.7 show table columns 3 ways

MySQL 5.7 show table columns 3 ways

1 Show MySQL table columns by describe The simplest and
John D K
John D K
Feb 22, 2018
1 min read
MySQL 5.7 alter table add column

MySQL 5.7 alter table add column

Adding new table is most common DDL operation that I'm
John D K
John D K
Feb 22, 2018
1 min read
MySQL convert column to row unpivot example

MySQL convert column to row unpivot example

In this post simulate pivot and unpivot in MySQL: * Step
John D K
John D K
Feb 22, 2018
1 min read
java pickle equivalent example

java pickle equivalent example

Pickle is very useful process of saving objects states as
John D K
John D K
Feb 21, 2018
3 min read
Python pickle example cookies

Python pickle example cookies

The pickle module in Python implements an essential process for
John D K
John D K
Feb 21, 2018
2 min read
Python convert object to JSON 3 examples

Python convert object to JSON 3 examples

In this post 3 examples how to convert Python objects
John D K
John D K
Feb 21, 2018
2 min read
java 8 convert string to int

java 8 convert string to int

If you have a string that contains only numbers and
John D K
John D K
Feb 20, 2018
1 min read
Python pill draw text on image

Python pill draw text on image

If you need programmatically to add text on image you
John D K
John D K
Feb 20, 2018
1 min read
Java convert String to InputStream

Java convert String to InputStream

Standard Java convert String to InputStream import java.io.ByteArrayInputStream;
John D K
John D K
Feb 19, 2018
1 min read
Java robot key press, mouse move and click

Java robot key press, mouse move and click

In this post tested with Java 8(this scripts are
John D K
John D K
Feb 19, 2018
6 min read
Selenium select and extract text all possible ways

Selenium select and extract text all possible ways

You can check also: Selenium locator contains text and firefox
John D K
John D K
Feb 18, 2018
2 min read
Java regular expressions 5 examples

Java regular expressions 5 examples

you can check also: java regex matcher example Java regular
John D K
John D K
Feb 18, 2018
2 min read
Python json to list and json to dict examples

Python json to list and json to dict examples

In this post: * Python JSON file to dictionary * Python JSON
John D K
John D K
Feb 17, 2018
2 min read
Python 3.6 merge dictionaries

Python 3.6 merge dictionaries

In this post: * Python 3.6 how to merge several
John D K
John D K
Feb 17, 2018
2 min read
Python loop dictionary keys and values

Python loop dictionary keys and values

Python iterate over dictionary Loop over keys and values (order
John D K
John D K
Feb 16, 2018
1 min read
Python sum function all elements of list

Python sum function all elements of list

You may like also: Python Random Number Examples Python sum
John D K
John D K
Feb 16, 2018
1 min read
How To Install MySQL 8 on Ubuntu 16.04

How To Install MySQL 8 on Ubuntu 16.04

In this post: * Install default MySQL version (ritht now 5.
John D K
John D K
Feb 15, 2018
2 min read
Python 3 How to Shuffle List Examples

Python 3 How to Shuffle List Examples

In this post, you can learn several examples about how
John D K
John D K
Feb 15, 2018
5 min read
Python Random Number Examples

Python Random Number Examples

Python Generate random integers with random from 0 to 10
John D K
John D K
Feb 15, 2018
2 min read
Java Random Generator nextInt Examples

Java Random Generator nextInt Examples

Java 8 Generate random integers with nextInt from 0 to
John D K
John D K
Feb 14, 2018
2 min read
How to install OpenJDK 9 on Ubuntu 16

How to install OpenJDK 9 on Ubuntu 16

In this post: * Search available Openjdk packages * install Openjdk 9
John D K
John D K
Feb 13, 2018
2 min read
Java 9 Features and Release Date

Java 9 Features and Release Date

Java 9 Release Date Java 9 is released since September
John D K
John D K
Feb 13, 2018
1 min read
Notepad++ regex replace capture group examples list

Notepad++ regex replace capture group examples list

You can check previous article on the topic: Notepad++ regex
John D K
John D K
Feb 13, 2018
2 min read
Notepad++ plugin manager install

Notepad++ plugin manager install

PLugin manager is missing in latest versions of Notepad++. In
John D K
John D K
Feb 12, 2018
1 min read
Notepad++ regex replace wildcard capture group

Notepad++ regex replace wildcard capture group

Notepad++ regex table Regex Example Group Text Find what Before
John D K
John D K
Feb 12, 2018
3 min read
Ubuntu create and delete symbolic link

Ubuntu create and delete symbolic link

Linux Ubuntu create symbolic link Symbolic links are similar to
John D K
John D K
Feb 12, 2018
1 min read
Ubuntu how to remove file, link, folder

Ubuntu how to remove file, link, folder

Ubuntu remove single file rm myfile.txt is enough for
John D K
John D K
Feb 12, 2018
1 min read
Programming Humor - I'm Programmer

Programming Humor - I'm Programmer

It's time for another post on Programming Humor or Developer
John D K
John D K
Feb 10, 2018
1 min read
python regex match date

python regex match date

In this post you will see how to extract any
John D K
John D K
Feb 10, 2018
2 min read
python regex match examples

python regex match examples

In this post: * Matching sentences single line string * Matching sentences
John D K
John D K
Feb 10, 2018
3 min read
java regex matcher example

java regex matcher example

In this post: * Java regular expression for sentence extraction * Java
John D K
John D K
Feb 9, 2018
3 min read
java list iterator example

java list iterator example

Java forEach Since Java 8 forEach starts to be one
John D K
John D K
Feb 8, 2018
1 min read
java list add example

java list add example

In java 8 adding new elements to list is similar
John D K
John D K
Feb 8, 2018
1 min read
java convert string to double

java convert string to double

Java 8 has methods for converting string to numbers: integer,
John D K
John D K
Feb 8, 2018
1 min read
Intellij open multiple projects or windows

Intellij open multiple projects or windows

In this post: * Intellij open multiple projects * Intellij open multiple
John D K
John D K
Feb 7, 2018
1 min read
windows rename files to lowercase

windows rename files to lowercase

In this post: * Rename extensions to lower case * Rename extensions
John D K
John D K
Feb 7, 2018
1 min read
Linux Ubuntu change extension to lowercase

Linux Ubuntu change extension to lowercase

Changing extension to lower case with linux for multiple text,
John D K
John D K
Feb 6, 2018
1 min read
Selenium locator contains text/ID and Selenium Alternative in 2018

Selenium locator contains text/ID and Selenium Alternative in 2018

Update: This post is updated by adding location by ID
John D K
John D K
Feb 6, 2018
2 min read
MySQL update embedded select

MySQL update embedded select

Simple example of update using nested query or in other
John D K
John D K
Feb 6, 2018
1 min read
Java 8 file path directory

Java 8 file path directory

Common task of a developers is working with files and
John D K
John D K
Feb 6, 2018
1 min read
python for loop

python for loop

In this post: * Basic loop - for x in range(
John D K
John D K
Feb 6, 2018
2 min read
</