A rather geeky/technical weblog, est. 2001, by Bramus
David Thompson on his favorite Git commit: a single character fix, but with one hell of an explanation: In a different organisation, from a different developer, this entire commit message might have been change whitespace, or fix bug, or (depending on the team’s culture) some less than flattering opinions about the inventor of the non-breaking …
Kent C. Dodds: If you’re experiencing React performance issues, try this: “Lift” the expensive component to a parent where it will be rendered less often. Then pass the expensive component down as a prop. You may find doing so solves your performance problem without needing to spread React.memo all over you codebase like a giant …
Continue reading “One simple trick to optimize React re-renders”
Mathias Hansen, co-founder of Geocodio, on how they analyze their API response times: For the longest time, we focused on average response times. It is a quick and simple metric that you can quickly break down by API endpoint and time window. […] While measuring average response time have their place they can also be …
Display macOS Dock in Touch Bar. It’s free and open source! Not that I’d use it (I always use the “Expanded Control Strip” to make the Touch Bar show the “regular” keys), but I found this one quite interesting and it looks really cute. Installation possible per brew cask: brew cask install pock You can …
Continue reading “Display the macOS Dock in Touch Bar using Pock”
jsonbox.io lets you store, read & modify JSON data over HTTP APIs for free. Copy the URL below and start sending HTTP requests to play around with your data store. Oh, this will come in handy for Workshops and quick Proof Of Concepts: curl -X POST ‘https://jsonbox.io/demobox_6d9e326c183fde7b’ \ -H ‘content-type: application/json’ \ -d ‘{“name”: “Jon …
Amazon AWS has offered a Serverless Image Handler for a while that allows you to spin up an AWS Lambda function to create your own private little image transform service that is inexpensive, fast, and is fronted by the CloudFront content delivery network (CDN). Whenever an image is uploaded to the bucket, a Lambda function …
Continue reading “Using AWS’ “Serverless Image Handler” to roll your own Image Transform Service”
The Web Perception Toolkit is an open-source library that provides the tools for you to add visual search to your website. The toolkit works by taking a stream from the device camera, and passing it through a set of detectors. Any markers or targets that are identified by the detectors are mapped to structured data …
Continue reading “Visually Search using your Phone’s Camera with The Web Perception Toolkit”
Jeremy recently implemented “Dark Mode” on his site. Tanks to CSS Custom Properties the implementation is pretty straightforward (also see my writeup here). But of course, Jeremy added some extra details that make the difference: In Dark Mode images are toned down to make ‘m blend in better, as detailed by Melanie Richards: @media (prefers-color-scheme: …
Mattias Geniar has shared his GitHub Workflow to make GitHub do the CI work for PHP applications: on: push name: Run phpunit testsuite jobs: phpunit: runs-on: ubuntu-latest container: image: mattiasgeniar/php73 steps: – uses: actions/checkout@v1 with: fetch-depth: 1 – name: Install composer dependencies run: | composer install –prefer-dist –no-scripts -q -o; – name: Prepare Laravel Application …
Highly interesting book (in the making) by Simon Pieters, on how HTML parsers work: The HTML parser is a piece of software that processes HTML markup and produces an in-memory tree representation (known as the DOM). The HTML parser has many strange behaviors. This book will highlight the ins and outs of the HTML parser, …