Christian Heilmann

Pangram validator in one line

November 6th, 2023

For a quiz, I am playing with Pangrams, sentences that have all 26 letters of the alphabet in them. Using Set and some RegEx it is a one-liner in JavaScript to validate them (split into two lines for readability…). const isPangram = s => new Set( s.toLowerCase().replace(/[^a-z]/g, ‘’) ).size === 26;const isPangram = s => […]

Neuer Kurs auf LinkedIn Learning: Grundlagen der Programmierung – Barrierefreie Software

November 2nd, 2023

Mein zweiter Kurs auf LinkedIn Learning Grundlagen der Programmierung – Barrierefreie Software ist live! Der Kurs richtet sich an Einsteiger und Fortgeschrittene und ist eine Stunde und 28 Minuten lang. Hier ist die Beschreibung von LinkedIn und die detailierten Videotitel: Christian Heilmann beweist in seinem LinkedIn Learning-Kurs, dass einfache barrierefreie Nutzbarkeit von Software heutzutage schon […]

Today was a great day for accessibility!

October 25th, 2023

Today was a great day, even when it started at four in the morning to get to the airport in time. WeAreDevelopers LIVE is a series of online events covering a specialist topic. And today we ran the event with one of my favourite topics of all time: accessibility. Originally we had planned a different […]

My company is hiring: who wants to work with me in Developer Relations?

October 20th, 2023

I have a spot on my team for a Developer Advocate and you can apply here: Developer Advocate all genders – Remote, Europe, UK Please, don’t send me CVs or tell me to “take a look” as all applicants need to be in the system so we can follow the needed legal procedure. What you’ll […]

Falling Behind In Style – explosive and continuous growth is bad for tech

October 17th, 2023

These are the notes for my talk at the TechKnowFest in Amsterdam. We always see big technology companies as the best place to work and as those who make the world go around. I’ve been pretty disillusioned in this regard lately. The main reason why technology isn’t really making the world go around is that […]

Newsletter

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

160: Graphs and RAGs explained and VS Code extension hacks Graphs and RAG explained, how AI is reshaping UI and work, how to efficiently use Cursor, VS Code extensions security issues.
159: AI pipelines, 10x faster TypeScript, How to interview How to use LLMs to help you write code and how much electricity does that use? Is your API secure? 10x faster TypeScript thanks to Go!
158: 🕹️ Super Mario AI 🔑 API keys in LLMs 🤙🏾 Vibe Coding Why is AI playing Super Mario? How is hallucinating the least of our worries and what are rules for developing Safety Critical Code?
157: CUDA in Python, Gemini Code Assist and back-dooring LLMs We met with a CUDA expert from NVIDIA about the future of hardware, we look at how AI fails and how to play pong on 140 browser tabs.
156: Enterprise dead, all about Bluesky and React moves on! Learn about Bluesky as a platform, how to build a React App and how to speed up SQL. And play an impossible game in the browser.

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