Christian Heilmann

Exif by magic – the forgotten extra information in JPEG and TIFF files

November 1st, 2024

I just shot a ton of pictures on vacation and was amazed to see just how much extra data our mobile phones store in images. This exif data in JPG and TIFF files can be a privacy issue, which I pointed out in my TEDx talk some time ago and even created a tool to […]

Let’s bring back browsing

September 15th, 2024

When the web started one of the best parts about it was the naming of things. To “surf the web” implied fun and adventure and to “browse” implied serendipity. And we seem to have lost that. Let’s go back. When I discovered the internet it was pretty much just taking off. I didn’t go to […]

A billion new developers thanks to AI?

September 12th, 2024

This is a translation of my German article for the AI mag. At the WeAreDeveloper World Congress in Berlin in July, GitHub announced that the company will use artificial intelligence and assistants to turn a billion people into developers in a very short time. Amazon’s Cloud CEO, on the other hand, explained in an internal […]

Quick tip: using flatMap() to extract data from a huge set without any loop

September 6th, 2024

I just created a massive dataset of all the AI generated metadata of the videos of the WeAreDeveloper World Congress and I wanted to extract only the tags. The dataset is a huge array with each item containing a description, generated title, an array of tags, the original and their title, like this: { "description": […]

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.

My other work: