#beginners
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A beginner's tutorial on using Git and GitLab · Introduction This tutorial is for beginners who are new to Git and GitLab . Git is a "free and open...
I have been a professional programmer for over 30 years. Programming is a lifelong journey of learning, practice, and improvement. During my career, I...
A string is a sequence of characters. Sometimes we need to access a character in the string. The Java String function charAt() returns the character...
Sometimes it is helpful to know if a character is a digit (0-9) or not. The Java built-in Character class provides an isDigit() function that...
Methods 🦁, Functions 🐯, and Procedures 🐻, Oh My! Programmers often use these terms interchangeably. But there are differences among them. The...
JavaScript programs execute in the browser. That means you need an HTML document. Here is a simple one to start with: <!DOCTYPE html> <html...