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Python range example and explanation In this article are covered several examples of range function: John D K Mar 7, 2018 2 min read
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Python enum create, access and loop examples In this post we will have a look on enums John D K Mar 6, 2018 2 min read
Python test performance and measure time elapsed in seconds Three four ways of measuring time in Python: * start = time. John D K Mar 5, 2018 2 min read
Python fibonacci sequence optimized 4 examples In this article we will have a look of: * simple John D K Mar 5, 2018 2 min read
Python sort list ascending and descending 6 examples In this post: * Python sort list of integers (original) * Python John D K Mar 5, 2018 3 min read
python join and merge list 4 examples Two list can be merge in python in many ways: John D K Mar 4, 2018 2 min read
python sleep 5 examples If you want to delay your program with certain amount John D K Mar 4, 2018 1 min read
Completely Uninstall Google Chrome or Chromium in Linux Mint 1. Overview In this tutorial, we will see how to John D K Mar 4, 2018 2 min read
Ubuntu Server 16.04 Enable SSH and connect If you want to connect to Ubuntu Server 16.04 John D K Mar 4, 2018 2 min read
MySQL slow query and type conversion In MySQL you can have query that it's taking much John D K Mar 4, 2018 2 min read
Java 8 ArrayList reverse, sort asc and desc, shuffle with seed In this post we will see how to: * reverse ArrayList John D K Mar 3, 2018 5 min read
Java 8 how to shuffle several ArrayList in same order If you want to shuffle two and more list in John D K Mar 3, 2018 3 min read
Java 8 clone ArrayList with elements In Java 8 it's possible to clone ArrayList by two John D K Mar 3, 2018 2 min read
Java regex match abbreviations 5 examples In this tutorial, you will see several regex examples like: John D K Mar 1, 2018 2 min read
java 8 sql timestamp examples Several examples showing how to use: import java.sql.Timestamp; John D K Mar 1, 2018 3 min read
python string split by separator How to split string in python with ot without regex, John D K Feb 28, 2018 2 min read
mysql select N max values per group In this post: * Get N numbers per group * Get N John D K Feb 28, 2018 3 min read
mysql join simple example for beginners SQL join are explained by Venn diagrams. Venn diagrams are John D K Feb 27, 2018 3 min read
SQL or NoSQL in 2018: comparison of MySQL and MongoDB In this post: * Main differences between relational vs non-relational * The John D K Feb 26, 2018 3 min read
Notepad++ regex find group of words and replace You can check other example here: Notepad++ regex replace capture John D K Feb 26, 2018 1 min read
Oracle count null and not null values in column In this article we will post two ways of counting John D K Feb 23, 2018 1 min read
MySQL 5.7 count null and not null values in column In this article we are going to present several ways John D K Feb 23, 2018 3 min read
MySQL 5.7 show table columns 3 ways 1 Show MySQL table columns by describe The simplest and John D K Feb 22, 2018 1 min read
MySQL 5.7 alter table add column Adding new table is most common DDL operation that I'm John D K Feb 22, 2018 1 min read
MySQL convert column to row unpivot example In this post simulate pivot and unpivot in MySQL: * Step John D K Feb 22, 2018 1 min read
java pickle equivalent example Pickle is very useful process of saving objects states as John D K Feb 21, 2018 3 min read
Python pickle example cookies The pickle module in Python implements an essential process for John D K Feb 21, 2018 2 min read
Python convert object to JSON 3 examples In this post 3 examples how to convert Python objects John D K Feb 21, 2018 2 min read
java 8 convert string to int If you have a string that contains only numbers and John D K Feb 20, 2018 1 min read
Python pill draw text on image If you need programmatically to add text on image you John D K Feb 20, 2018 1 min read
Java convert String to InputStream Standard Java convert String to InputStream import java.io.ByteArrayInputStream; John D K Feb 19, 2018 1 min read
Java robot key press, mouse move and click In this post tested with Java 8(this scripts are John D K Feb 19, 2018 6 min read
Selenium select and extract text all possible ways You can check also: Selenium locator contains text and firefox John D K Feb 18, 2018 2 min read
Java regular expressions 5 examples you can check also: java regex matcher example Java regular John D K Feb 18, 2018 2 min read
Python json to list and json to dict examples In this post: * Python JSON file to dictionary * Python JSON John D K Feb 17, 2018 2 min read
Python 3.6 merge dictionaries In this post: * Python 3.6 how to merge several John D K Feb 17, 2018 2 min read
Python loop dictionary keys and values Python iterate over dictionary Loop over keys and values (order John D K Feb 16, 2018 1 min read
Python sum function all elements of list You may like also: Python Random Number Examples Python sum John D K Feb 16, 2018 1 min read
How To Install MySQL 8 on Ubuntu 16.04 In this post: * Install default MySQL version (ritht now 5. John D K Feb 15, 2018 2 min read
Python 3 How to Shuffle List Examples In this post, you can learn several examples about how John D K Feb 15, 2018 5 min read
Python Random Number Examples Python Generate random integers with random from 0 to 10 John D K Feb 15, 2018 2 min read
Java Random Generator nextInt Examples Java 8 Generate random integers with nextInt from 0 to John D K Feb 14, 2018 2 min read
How to install OpenJDK 9 on Ubuntu 16 In this post: * Search available Openjdk packages * install Openjdk 9 John D K Feb 13, 2018 2 min read
Java 9 Features and Release Date Java 9 Release Date Java 9 is released since September John D K Feb 13, 2018 1 min read
Notepad++ regex replace capture group examples list You can check previous article on the topic: Notepad++ regex John D K Feb 13, 2018 2 min read
Notepad++ plugin manager install PLugin manager is missing in latest versions of Notepad++. In John D K Feb 12, 2018 1 min read
Notepad++ regex replace wildcard capture group Notepad++ regex table Regex Example Group Text Find what Before John D K Feb 12, 2018 3 min read
Ubuntu create and delete symbolic link Linux Ubuntu create symbolic link Symbolic links are similar to John D K Feb 12, 2018 1 min read
Ubuntu how to remove file, link, folder Ubuntu remove single file rm myfile.txt is enough for John D K Feb 12, 2018 1 min read
Programming Humor - I'm Programmer It's time for another post on Programming Humor or Developer John D K Feb 10, 2018 1 min read
python regex match date In this post you will see how to extract any John D K Feb 10, 2018 2 min read
python regex match examples In this post: * Matching sentences single line string * Matching sentences John D K Feb 10, 2018 3 min read
java regex matcher example In this post: * Java regular expression for sentence extraction * Java John D K Feb 9, 2018 3 min read
java list iterator example Java forEach Since Java 8 forEach starts to be one John D K Feb 8, 2018 1 min read
java list add example In java 8 adding new elements to list is similar John D K Feb 8, 2018 1 min read
java convert string to double Java 8 has methods for converting string to numbers: integer, John D K Feb 8, 2018 1 min read
Intellij open multiple projects or windows In this post: * Intellij open multiple projects * Intellij open multiple John D K Feb 7, 2018 1 min read
windows rename files to lowercase In this post: * Rename extensions to lower case * Rename extensions John D K Feb 7, 2018 1 min read
Linux Ubuntu change extension to lowercase Changing extension to lower case with linux for multiple text, John D K Feb 6, 2018 1 min read
Selenium locator contains text/ID and Selenium Alternative in 2018 Update: This post is updated by adding location by ID John D K Feb 6, 2018 2 min read
MySQL update embedded select Simple example of update using nested query or in other John D K Feb 6, 2018 1 min read
Java 8 file path directory Common task of a developers is working with files and John D K Feb 6, 2018 1 min read