MMMihai Marinescuinfeaturingcode.com·2d ago · 3 min readBig O notationI just figured out a simple way to understand BigO notation, aka the algorithm complexity numbers. Let's say you have your myFn function and inside it you have some logic (an algorithm) that takes som00
MMMihai Marinescuinfeaturingcode.com·Jul 22 · 23 min readBlock-addressed editing: a 10x output-token cost reduction for document LLM agentsThis works perfectly when your LLM agent reads a document and updates it — the user asks "in the third paragraph, change 'retried three times' to 'retried five times'", and the agent edits the page. H32K
MMMihai Marinescuinfeaturingcode.com·Jul 14 · 41 min readThe only TypeScript you need to appear knowledgeableMost TypeScript "knowledge" is a handful of ideas applied over and over. This is that handful — explained through the logic, not the syntax. One rule to keep in your head the whole way down: TypeScri23A
MMMihai Marinescuinfeaturingcode.com·Jul 8 · 31 min readI can't remember SQL syntaxReading a SELECT SQL English reading SELECT name FROM users from the users table, give me name for every row SELECT * every column SELECT name, email just these two columns SELECT DISTINCT10
MMMihai Marinescuinfeaturingcode.com·Jul 4 · 15 min readHow I migrated my website from Vercel to Hetzner The companion post explained the why — the six seams Vercel hid, and who does each job once it's gone. This is the log. The what. Every command, in order, with the traps I hit and how I got out of the10