What Does “70 Billion Parameters” Actually Mean?
Every few weeks a new AI model is announced with a number attached: 7B, 13B, 70B, 405B. The letter B stands for billion, and the thing being counted is called…
Rabin-Karp: Searching With Rolling Fingerprints
Most string searches work by comparing letters. Rabin-Karp takes a different road: it boils every chunk of text down to a single number, a fingerprint, and compares the numbers instead.…
How Ctrl+F Finds Text Instantly: KMP and String Matching Explained
You press Ctrl+F, type a word, and every match on a long page lights up before you have lifted your finger. It feels like magic, but the problem underneath is…