Christian Heilmann

Learning HTML is the best investment I ever did

January 15th, 2025

One of the running jokes and/or discussion I am sick and tired of is people belittling HTML. Yes, HTML is not a programming language. No, HTML should not just be a compilation target. Learning HTML is a solid investment and not hard to do. I am not alone in this, Wired had a piece on […]

trimMiddle() – the missing String trim method

January 3rd, 2025

One of the cool features of MacOS’ Finder app is that it does not trim file names that don’t fit the space at the end, but in the middle of the file name. This does make a lot more sense, as it also shows what format the file is. Neither JavaScript nor CSS have a […]

A Twitter eulogy and the complicated relationship with my X…

December 26th, 2024

X isn’t Twitter. X isn’t even driven by human emotions any longer and is run by a management that doesn’t care about people, emotions or the dangers of propaganda. That’s why a lot of people who made Twitter grow in the beginning – real content creators – now meet on BlueSky. I do, too, but […]

Stupid interview questions will get you limited developers – is that what the market wants?

December 23rd, 2024

In recent times a meme has been making the rounds that allegedly shows a smart way to solve interview puzzles. In these memes developers are asked to create an ASCII pattern like the following: XXXXXXX XX   XX X X X X X  X  X X X X X XX   XX XXXXXXX The solution they come up with is a simple console.log() or print command. console.log(`XXXXXXX […]

Newsletter

Check out the Dev Digest Newsletter I write every week for WeAreDevelopers.

Don't stop thinking, AI Slop vs. OSS Security, rolling your own S3 Despite AI you still need to think, Bitter lessons from building AI products,  AI Slop vs. OSS security and pointer pointer…
200: Building for the web, what's left after rm -rf & 🌊🐴 vs AI What remains after you do a rm -rf? Why do LLMs know about a seahorse emoji? What image formats should you use? How private is your car?
Word is Doomed, Flawed LLM benchmarks, hard sorting and CSS mistakes Spot LLM benchmark flaws, learn why sorting is hard, how to run Doom in Word and how to say "no" like a manager.
30 years of JS, Browser AI, how attackers use GenAI, whistling code Learn how to use AI in your browser and not on the cloud, why AI makes different mistakes than humans and go and whistle up some code!
197: Dunning-Kruger steroids, state of cloud security, puppies>beer

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