Free-Threaded Python Is Now Officially Supported: What PEP 779 Changes and What It Costs
Python 3.13 gave us something Python developers had wanted for decades: a build of CPython with no Global Interpreter Lock.
Tag: programming
The Rust Borrow Checker Demystified: Aliasing, Memory Model, and When to Fight Back
What the borrow checker actually enforces, what Rust’s memory model promises, and which patterns — RefCell, Mutex, ownership restructuring — resolve the common contention points. … Continue readingThe Rust Borrow Checker Demystified: Aliasing, Memory Model, and When to Fight Back
Processes vs Threads vs Coroutines: The Units of Concurrency
“It’s slow” is the least useful bug report in software. “It’s slow when 400 users hit the checkout endpoint simultaneously,
Continue readingProcesses vs Threads vs Coroutines: The Units of Concurrency
Strings, Bytes, and Unicode: Why ‘café’ Breaks Your Code
Most developers treat strings as a solved problem: a string is text, text is easy, move on. Then one day
Continue readingStrings, Bytes, and Unicode: Why ‘café’ Breaks Your Code
How Hash Tables Actually Work: Collisions, Load Factors, and the Resize Dance
Every language you have ever used has a hash table hiding somewhere in it. Python calls it dict, Go calls
Continue readingHow Hash Tables Actually Work: Collisions, Load Factors, and the Resize Dance
The Rust Borrow Checker Is Not Your Enemy: A Mental Model for Ownership
The first week of Rust usually ends with a very specific kind of frustration. Not with syntax, not with traits
Continue readingThe Rust Borrow Checker Is Not Your Enemy: A Mental Model for Ownership
Error Handling in Rust: Result, ?, anyhow, and thiserror
Every Rust developer eventually has the same moment: the code is logically correct, the types line up, and the compiler
Continue readingError Handling in Rust: Result, ?, anyhow, and thiserror
Context Done Right: Cancellation, Timeouts, and Propagation in Go
Go’s context package is one of the most frequently used and frequently misunderstood parts of the standard library. It appears
Continue readingContext Done Right: Cancellation, Timeouts, and Propagation in Go
Differences between const, let, var, and let mut in the 20 most popular programming languages
Every mainstream language has a way to say “this binding cannot be reassigned” — and almost none of them agree