New & Notable
How to apply the Liskov substitution principle in Java
The Liskov substitution principle is often mistaken for polymorphism and inheritance. To really understand the SOLID LSP, you must understand the nuance and distinction.
Quickly install MySQL for developers
Need a well-maintained, open-source, standards-based database to test your Java apps and Spring Boot microservices? Here's how to download and install the MySQL Community Edition.
How to print any star pattern in Python -- or Mojo
Mojo is a superset of Python. What does that mean? For one, printing a Python star pattern looks a lot like solving a Mojo star pattern.
REST vs RESTful API: What's the difference?
Are your APIs RESTful? The only way to know is to fully understand what REST is. Here's how REST and RESTful APIs work together.
Using generics in Typescript: An in-depth tutorial
Generic variables give the TypeScript language versatility and compile-time type safety that put it on par with Java, C# and C++. These examples show how to use TypeScript generics.
Coffee Talk: News & Insight
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Code a tic-tac-toe game in Java
Cameron McKenzie 18 Jun 2024The best way to learn to code? Code up some fun games from your childhood. Here's how to code the popular tic-tac-toe game in Java.
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Git pull vs fetch: What's the difference?
Cameron McKenzie 17 Jun 2024Want to know the difference between git fetch and pull commands? This quick pull vs. fetch comparison explains how the two commands affect your working ...
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Worlds toughest core Java interview question
Darcy DeClute 08 Apr 2024The trickiest Java interview question ever asked? In five words or less, explain the red 'x' the Eclipse IDE displays at the end of the provided Java code ...
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What is MVCC? How does multiversion concurrency control work?
Cameron McKenzie 04 Apr 2024Want to learn how multiversion concurrency control works? With a very simple MVCC example, we'll explain how to eliminate locks in databases including ...
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Best crash course to learn Jenkins from scratch
Cameron McKenzie 04 Mar 2024Need to learn Jenkins CI fast? This Jenkins tutorial will quickly get you up to speed on how to use the popular CI/CD tool.
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How to git push an existing project to GitLab
Cameron McKenzie 01 Mar 2024Want to push a new project into an existing GitLab repository? Follow these steps, but beware one way that will work but might cause trouble on a shared repo.
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Brackets vs braces vs parentheses: What's the difference?
Darcy DeClute 27 Feb 2024Stop using the terms square brackets, round brackets and squiggly brackets. Use the terms braces, brackets and parenthesis instead. Here's the difference ...
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Set a Git stash message. Pop with a Git stash name
Cameron McKenzie 25 Feb 2024Developers need to name their git stashes and add a message if they want to easily identify them in the future. Here's how to pop and apply a specific Git ...
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How to list and show the git stash history
Cameron McKenzie 23 Feb 2024Show your shelved change history with git stash list and show.
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Git branch rename: Command to change a branch name in Git
Cameron McKenzie 21 Feb 2024Here's a quick example that shows you how to rename a Git branch locally and remotely. The branch renaming commands and techniques work with GitHub, GitLab, ...
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Quickly install MySQL for developers