Christian Heilmann

Batch cropping of screenshots on MacOS

March 17th, 2021

I’m currently upgrading the Console documentation for Microsoft Edge and I needed to create a lot of screenshots for it. I wanted to make sure that they all are the same size, so I fixed a browser window to a certain size and instead of trying to screenshot a part of the screen, I thought […]

Conditional animations with CSS properties

March 13th, 2021

Using animations, transitions and smooth scrolling is fun, but they also represent an accessibility problem. Various groups of people have a hard time using your products when things move and change all the time. This is why operating systems have a “reduced motion” setting you can turn on. Our CSS animations should respect these settings […]

New article: “Beyond console.log() – level up your debugging skills”

March 9th, 2021

Today, Sitepoint released an article they commissioned me to write a few weeks ago that a lot of work went into and I’m happy with the result. In Beyond console.log – level up your debugging skills I describe a few features of Chromium browser developer tools and how they interact with Visual Studio Code. I […]

Syncing CSS changes in browser developer tools with Workspaces

March 2nd, 2021

Lately I’ve been looking into improving the ways I use browser developer tools by using features I’ve never looked and/or forgotten. One amazing feature of those are Workspaces which have been around for a long time but don’t get as much use as I think they should. In essence, this feature allows you to use […]

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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