Category Archives: Tips & tricks

How to figure out if a character in a string is a number

This article is about multiple ways to pull a character from a string and check if it is a number. Continue reading

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Developer Notes 001

The list of a few developer notes collected during the software development which were not enough for a self-standing article. Continue reading

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How To Turn Number To String With Padded Space or Zeroes

Article about a simple solution to turning numbers into specific length String with padded space. Continue reading

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How to convert private key DER to PEM file type

In this article I will show you quick work around how to turn .pem file type into the .der file type on Windows. Continue reading

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How to print current project classpath

This article is a short explanation of a classpath and a single line of Java code that will help you print out your classpath. Continue reading

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How to set custom configuration for your local Git project repository

Suppose you do not want to have the same configuration for your local repository as you have your global Git settings. Or you need to fix identity information for commits that are already made in Git commit history. In that case, this article will show you a few Git commands on how to set up the custom configuration for your local Git repository or how to fix past mistakes. Continue reading

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How to remotely debug Java application in IntelliJ

This article is a simple tutorial on how to debug your JAR or WAR file remotely. Continue reading

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How to use IntelliJ Idea as a text editor

This article will give you a few excellent tips on how and why to turn your favourite IDE into your first choice text editor. Continue reading

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How to build with Maven without running tests

This article will show you multiple ways how to skip the test in your Maven build Continue reading

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How to convert int to long in Java?

Simple hint on very often question how to convert int to long or Long in Java. Continue reading

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