Java - SoftHints - Python, Linux, Pandas

Selenium get several child elements(ordered) from parent

If you want to get information from a table or

John D K

Sep 4, 2018

2 min read

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

Sep 1, 2018

1 min read

Java 11 and Ubuntu Assistive technology not found AWTError

While running a Java program on gnome - Ubuntu 18.

John D K

Aug 30, 2018

1 min read

Ubuntu 18/IntelliJ check and install Java SDK/JDK

Update November 2019: The correct way to install Oracle JDK

John D K

Aug 20, 2018

2 min read

JIRA how to format code python, SQL, Java

You have two options of formatting code in JIRA: using

John D K

Aug 16, 2018

1 min read

Discord group and free live sessions for beginners in programming

Hey guys. I plan to do experiment with teaching programming

John D K

Aug 5, 2018

1 min read

Python/Java bad and good code comments examples

In this article are shown the sins of comments and

John D K

Jul 23, 2018

3 min read

Example interview for Java beginners 2018

Dear Java beginners, please find interview questions for Java beginners

John D K

Jul 9, 2018

3 min read

Java 8 map sort by value, key or insert order

Since Java 8 sorting of HashMap in Java it's much

John D K

Apr 26, 2018

3 min read

Java parse String into int

Java string to int String which are numbers can be

John D K

Apr 25, 2018

1 min read

Java convert string to list of characters

Convert string to list of strings in Java If you

John D K

Apr 25, 2018

1 min read

Anagrams and Palindromes examples in Java 8

In this post: anagram example in Java check two words

John D K

Apr 23, 2018

3 min read

Java lambda expressions simple examples

Several simple and useful lambda expressions in Java: no parameters:

John D K

Apr 4, 2018

3 min read

Java Local Variable Type Inference examples

In this post: what is Local Variable Type Inference examples

John D K

Apr 3, 2018

4 min read

Java map examples

In this post about java map / dictionary: Define a java

John D K

Apr 2, 2018

2 min read

Java string concatenate examples with times

Three ways to concatenate in Java: by using operator += by

John D K

Apr 1, 2018

2 min read

java benchmarks examples

In this post two examples of java benchmark: simple time

John D K

Mar 27, 2018

3 min read

Java 10 install on Ubuntu and what's new

OpenJDK 10 was released on 20 March 2018 with new

John D K

Mar 26, 2018

2 min read

Java 9 range(int, int) example

Java's 9 equivalent of python's range could be done by

John D K

Mar 25, 2018

1 min read

Java 9 vs Python 3 code compare

For many years there is a rivalry between Java and

John D K

Mar 25, 2018

5 min read

Java 9 how to format string 7 examples

In post are covered string formats for: String.format() -

John D K

Mar 17, 2018

3 min read

Java 9 ArrayList how to count number of elements

In this 3 different ways of counting elements of ArrayList

John D K

Mar 16, 2018

1 min read

Java 9 ArrayList and List index example

With ArrayList and List you can get the index of

John D K

Mar 16, 2018

1 min read

Java 9 ArrayList removeAll except some

Method retain() of ArrayList class can be used if you

John D K

Mar 16, 2018

1 min read

Java 9 ArrayList clear and empty check

You can check if an ArrayList list is empty by

John D K

Mar 16, 2018

1 min read

Java 9 ArrayList add, set and remove element

Java ArrayList has useful methods for adding, setting and removing

John D K

Mar 16, 2018

2 min read

Java 9 play with jshell ( interactive java console) Ubuntu

If you have installed Java 9 on your machine you

John D K

Mar 13, 2018

2 min read

Java 9 Array how to copy and clone

Coping and clone of Array in Java may seem easy

John D K

Mar 12, 2018

2 min read

ArrayList Java 9 how to add new item

There are two ways of adding new time to ArrayList

John D K

Mar 12, 2018

1 min read

Java 10 How to create and use enum

Working with enums in Java 10 you have many options

John D K

Mar 11, 2018

3 min read

Java read java file and extract classes and methods

If you want to read java file and print only

John D K

Mar 10, 2018

3 min read

Intellij dual SDK Java plus Python

You can use IntelliJ with dual SDK configuration. In my

John D K

Mar 8, 2018

1 min read

Java string split with limit and lookahead

In java you can do special string splits as: using

John D K

Mar 8, 2018

1 min read

Java 8 string replace examples

String replace in java is done by methods: replace() -

John D K

Mar 8, 2018

1 min read

Java string length examples

The lenght of java string can be get very easu

John D K

Mar 8, 2018

1 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 8 sql timestamp examples

Several examples showing how to use: import java.sql.Timestamp;

John D K

Mar 1, 2018

3 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

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

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 regular expressions 5 examples

you can check also: java regex matcher example Java regular

John D K

Feb 18, 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

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

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

Java 8 file path directory

Common task of a developers is working with files and

John D K

Feb 6, 2018

1 min read

Java split string into list examples

Simple split of string into list If you want to

John D K

Feb 5, 2018

2 min read

Java 8 ArrayList examples create forEach shuffle

ArrayList is important data structure for many computer languages. Java's

John D K

Feb 3, 2018

1 min read

Should I update Java 8 to Java 9 in 2018

Many long waited features were planned for Java 9 in

John D K

Feb 2, 2018

3 min read

Java 8 copy, move and delete files

Problem In java 8 working with files is easy and

John D K

Jan 29, 2018

1 min read

Java 8 iterate, check and read files

Problem Working with files is a trivial task when you

John D K

Jan 29, 2018

2 min read

Java 8 String concatenation

Problem String concatenation is nice technique used by programmers to

John D K

Jan 28, 2018

1 min read

Java 8 get current Day, Month, Year

Problem If you need to get the current date in

John D K

Jan 28, 2018

1 min read

Java 8 rename multiple files recursively

Problem If you need to do simple file name transformation

John D K

Jan 28, 2018

1 min read

Better programmer - be curious, observe, test and validate

I would like to share my algorithm how to improve

John D K

Jan 22, 2018

2 min read

Java 8 set java_home on Windows 10

Problem how to set up java home Before setting up

John D K

Jan 9, 2018

1 min read

Java 8 fast non recursive fibonacci

Problem Classical recursive Fibonacci is slow and crashes with a

John D K

Jan 8, 2018

1 min read

java 8 open and read file

Problem open a file and read content How to open

John D K

Jan 7, 2018

1 min read

Bilingual programming education in Java and Python

This is part of the new programming course exploring how

John D K

Dec 21, 2017

2 min read

Java 9 detect OS information

In this tutorial you can see how to find the

John D K

Nov 30, 2017

2 min read

Java 9 java.text.ParseException: Unparseable date

In this post: java error Unparseable date code example parsing:

John D K

Nov 23, 2017

1 min read

Java 9 how to convert LocalDateTime and ZonedDateTime

Recently I needed to converted unusual formatted date in Java

John D K

Nov 23, 2017

1 min read

Java robot useful scripts part 1

Windows + D to bring desktop Using Java/Groovy/Scala to

John D K

Nov 22, 2017

3 min read