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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
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
Hi DEV! I'm Murad Mammadov (MooradXO). Over the past several months, I've been building NIB, a visual game editor and engine for making 2D and 3D game
As someone who constantly jumps between UI/UX design in Figma and writing Tailwind components, I was wasting hours manually inspecting computed CSS to
Day 3 of AccessBuild. The API is no longer just a calculator. It has a memory now. What I Built Today Yesterday, the API could only score elements y
TL;DR 81% jump in AI-service leaks: GitGuardian detected over 1.27 million leaked secrets tied to AI services in 2025, an 81% jump from t
40 million weekly downloads. If you've used React Router, Formik, or a handful of other libraries you've probably never directly installed fast-equals