If you’ve written Rust for more than a few days, you’ve probably hit this moment: You’re writing a function, something might fail, and now you’re staring at your screen thinking, “Should I return an Option or a Result?” They both kind of mean “something might go wrong,” but they’re not interchangeable. Let’s break it down in plain English. Option<T> — Sometimes There’s Just Nothing Option is Rust’s gentle way of saying, “Hey, there might be nothing here, and that’s okay.”No

Practice using Rust’s pretty_assertions with exercises that highlight color-coded diffs for clearer test failures and easier debugging.

Git Conventional Commits: type(scope?): subject ≤72 chars. Body & footer optional for details, references, or BREAKING CHANGE.

In Rust, you typically read command-line arguments using the standard library’s std::env::args()  function. This function returns an...

Learning Vim is beneficial if you often use Unix or Linux systems. The following cheat sheet will help you get started with the basic...

When I started learning Rust, I treated  println!  like a simple print statement. You know,  “just show some text”  and move on. Turns out it’s a lot more than that. It’s basically a  mini language for string formatting , and once you actually get what it can do, it’s powerful to use. If you’ve played with Python’s f-strings or .format(), you’ll recognize the vibe. But Rust adds a layer of precision and safety that’s surprisingly satisfying once it clicks. Start with the Basi

In Rust, #[derive(Debug)] is an attribute macro used to automatically generate an implementation of the Debug trait for a custom data...

Introduction The Halting Problem is a well-known dilemma in computer science that questions whether it is possible to devise a program to...

In software engineering collaboration, platforms like GitHub, Azure DevOps, and GitLab have given us a formidable tool: Pull Requests....

In software development, managing dependencies is crucial yet often challenging. When it comes to version control systems like Git,...

One way to build macOS-targeted binaries from a non-macOS environment is by using cross-compilation tools. This involves setting up a...

I use a MacBook Pro M1 for my development and am a happy user. I am developing training materials and want to provide pre-cooked virtual...

TLS stands for "Transport Layer Security," a cryptographic protocol that provides secure communication over the internet. It is the...

The ~/.ssh/config file configures SSH settings for connecting to remote servers. It can be a powerful tool for customizing your SSH...

If you need to work with different GitHub accounts, e.g., when you have personal and work accounts, you may want to create separate ssh...

fPIC stands for "Position-Independent Code" in the context of computer programming. It is a flag used when compiling code to create...

In this little tutorial, I will show you how to give your zsh a significant productivity boost as a developer. There are four simple...

There are several ways to install Git on macOS. To write this tutorial, I am using an iMac with macOS Catalina. On a fresh installation,...

This tutorial assumes you have the macOS command-line tools installed on your system. I tested the tutorial on a macOS Catalina...