Write-ups of problems I actually had to solve, with the code and the numbers. Also on RSS.
How TMPlayer streams a Telegram video on Android TV while the file is still downloading: a custom Media3 DataSource over TDLib, partial downloads, and seeking into a part of the file that is not there yet.
What shipping a seat map product on Cloudflare Workers taught me about OpenNext, D1, R2, Durable Objects, cron triggers and running next-intl at the edge.
Why an image cropper ships as a shadcn registry entry instead of an npm package, what its three props do, and why the states around the crop took longer than the crop.
A free resume builder that keeps one JSON object as the source of truth, reads an existing PDF back into it, and stores nothing on a server.
Bulk job outreach without a marketing platform: individual sends instead of BCC, a Gmail app password that never leaves the browser, and the small things that matter at two hundred emails.
LangSync parses ICU messages into a tree before translating them, batches the fragments to cut API overhead by up to 98 percent, and keeps a state snapshot so it knows what actually changed.
Tell me what you are building. You get a fixed scope and a fixed figure back, from the person who writes the code.
