algorithms
2 posts tagged with "algorithms"
Big O Notation: The Practical Guide for Working Engineers
Forget the academic proofs. Here's how to spot O(n^2) hiding in your code, why hash maps change everything, and real refactoring examples that turned minutes into milliseconds.
Hash Tables Under the Hood: Why Object Lookup is O(1)
Hash tables power objects, dictionaries, sets, and caches. Here's what actually happens when you write obj[key], and when O(1) breaks down.