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The big bang rewrite is the most confident decision an engineering team can make and one of the worst. The pitch is always reasonable. The current sys
SqueHub v2.0.0 Is Here 🚀 After a major development effort, SqueHub v2.0.0 is officially available. This is the first stable release of the
Pointers were probably one of the concepts I was most curious about when I started learning Go. Coming from Ruby, I don't normally think about memory
I work on the order routing of an SMM panel. A customer orders, say, 5,000 Telegram post views; we pass the order to an upstream provider over the sta
My blog has been connected to dev.to’s “Publishing to DEV Community from RSS” for a long time. Every post I wrote showed up on dev.to as a draft, whic
Learn how the Model-View-Controller pattern organizes Python web apps, then build a small Flask app using models, views, and controllers.
A Playwright test fails in staging. The button locator misses. You start the bisect, half an hour in you realise you've never seen the file before — a
Something I've seen take down production backends a few times is a simple misunderstanding of how network timeouts actually work under the hood. A lo
macOS doesn't come with a ready-to-use, up-to-date Python for your own projects, and the first setup is where most beginners get stuck: the wrong pyth
Every introduction to programming eventually reaches data types. An integer is a whole number. A string contains text. A Boolean is true or false. A
Every code editor I used daily was a web browser in a trench coat. VS Code, Zed's predecessors, all of them: Chromium or a web view somewhere in the s
You paste a Base64 string into a decoder, and it throws InvalidCharacterError or returns garbage. Nine times out of ten the alphabet is fine — it's in
A version of this story first appeared on Contento Solutions. My company's website runs on Squarespace. It also has 33 checks that run against it eve
A report query that touched a million sensor readings kept killing our Node.js backend on a 2 GB droplet. I replaced the million JSON objects with two
A* Pathfinding in Python: Build a Grid Navigation Engine Around Obstacles How a smart heuristic guides a shortest-path search, with working Python co
Here is the User-Agent string Chrome sent from the Mac I am writing this on, read out of the browser a few minutes ago: Mozilla/5.0 (Macintosh; Int
A microservice architecture has one failure mode that a monolith never had: a dependency that is almost working. Not down — down is easy, the connecti
I used to reach for a specificity calculator whenever a CSS declaration “did nothing.” It would return a neat (a,b,c) score, but I still had to rememb
The caller wanted 2 p.m. at the south office. The agent found 2 p.m. and booked it. The event landed on the north office calendar, because that was th
Here's the question worth asking about your own provenance setup before any of the fun parts: at verification time, what has to be up? Not at build t