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Array & String Manipulation Patterns
Week 2 notes: strings are basically immutable arrays of characters, and that one word (immutable) quietly changes how you write fast code.
- 28 Jul, 2025
Arrays 101: Foundations & Core Operations
My Week 1 notes on arrays: how they sit in memory, the Big-O of every core operation, the in-place write-pointer trick, and the patterns that keep showing up.