Kai Sing's Blog
Notes from the workbench
Pitfalls, deploys, and small wins — written so future-me does not have to rediscover them.
What’s inside a failed download file? Recovering data from a `.crdownload`
A half-finished browser download brings me a journey out of curiousity, learned how ZIPs are structured, and recovered 13 playable MP3s out of a truncated archive.
Why this blog exists
I started writing here to keep a record of what I pick up while building so the lessons don't disappear after the task is done.