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Option vs Result in Rust: What’s the Real Difference?
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

Ruud Wijnands
Oct 262 min read


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

Ruud Wijnands
Jan 181 min read


Understanding the Halting Problem: A Fundamental Concept in Computer Science
Introduction The Halting Problem is a well-known dilemma in computer science that questions whether it is possible to devise a program to...

Ruud Wijnands
Apr 27, 20242 min read
What is TLS?
TLS stands for "Transport Layer Security," a cryptographic protocol that provides secure communication over the internet. It is the...

Ruud Wijnands
Mar 19, 20231 min read


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

Ruud Wijnands
Mar 12, 20231 min read
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