A technical walkthrough of the most curious quirks in K&R C, the origin of the null pointer problem in C and C++, and how the for loop syntax changed from 1978 to C++20. Includes progressive code examples and commands to reproduce each quirk in your own terminal.
Telegram Serverless lets you write JavaScript modules that run directly on Telegram’s infrastructure, with a SQLite database and HTTP API included. No VPS, no containers, nothing to maintain.
Picture paying online, the page hangs, you click again… and the familiar fear kicks in: “did they just charge me twice?”. That problem —operations running twice when the client retries— is one of the most expensive in payment systems and financial APIs. The open source…
