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Guides, notes, and the writers behind them — everything worth exploring.
A compact cheat sheet of filesystem commands I keep coming back to on the terminal. Moving around bash pwd where am I ls -lah long list, human sizes, include…
scorpionxdevFOXCONN SECURITY ENGINEER — MASTER INTERVIEW NOTES 1. First understand what job I am interviewing for I should not mentally classify this position as “SOC An…
Status codes are the server telling you what happened in one number. Learn the shape of each class and you can debug most APIs without reading a manual. The …
scorpionxdevasync / await is syntax sugar over Promises that lets asynchronous code read top to bottom like normal code. Under the hood it is still Promises. The basics …
scorpionxdevCaching is storing the result of expensive work so you can reuse it instead of redoing it. Done well it is the highest-leverage performance tool you have. Do…
scorpionxdevCoroutines are Kotlin's answer to asynchronous programming. They let you write concurrent code that reads sequentially, without blocking threads. Suspend fun…
scorpionxdevAn index is a sorted lookup structure that lets the database find rows without scanning the whole table. It is the single biggest lever for query speed, and …
scorpionxdevWhat REST really means — resources, HTTP methods, status codes, headers, auth, versioning, pagination, and designing an API people enjoy using.
Curated guide · updated 2026-07-14
Debugging as a repeatable method, not luck — reproduce, isolate, form hypotheses, read the error, bisect, and the tools that make it faster.
Curated guide · updated 2026-07-13
Git from first principles — the mental model, the everyday commands, branching, merging, undoing mistakes, and a sane workflow.
Curated guide · updated 2026-07-12
How to write docs people actually read — knowing your reader, the four documentation types, structure, examples, and keeping docs alive.
Curated guide · updated 2026-07-11
A repeatable system for learning technical skills that actually stick — spaced repetition, projects, notes, and avoiding tutorial hell.
Curated guide · updated 2026-07-10
