In order to provide GDPR compliant consent-first-analytics (and other stuff), you can use yett: Blocking execution of analytics script (until consent is given) can be done manually, but the problem is that analytics providers often provide minified code embeds that you have to include in your html as they are. If you want to exercise …
Tips for improving performance of React Native apps
While researching a performance issue in a React Native app by doing a deep dive into the bridge, I stumbled upon this nice list of tips by jamsch. The list – which touches react-navigation, the types of lists one can use, etc. – was originally posted as a comment on a Github Issue, but deserves …
Continue reading “Tips for improving performance of React Native apps”
RE: The React is “just” JavaScript Myth
🗣 This was originally posted as a reply over at Dave’s blog. Unfortunately Disqus – the commenting system Dave uses – thinks it’s spam, so I’m posting it here as a full post instead. In his blogpost The React is “just” JavaScript Myth, Dave Rupert said this: React shows up on the scene with Babel, …
CSS Perspective Text Hover
DNS over HTTPS (DoH), a cartoon intro
I like the cartoons that have been appearing for some time now over at Mozilla Hacks, in which they explain technical things in layman’s terms. The latest article again is a good one: first it explains regular DNS (pictured above), and then continues on to DNS over HTTPS. A cartoon intro to DNS over HTTPS …
Side-channel attacking browsers through CSS3 features
Ruslan Habalov and Dario Weißer found a way to read contents from an iframe, using CSS3: Accessing the DOM of an iframe that includes a cross-origin resource is forbidden by default. However, the content of the iframe was displayed in the same context as the rest of the site so we wanted to verify if …
Continue reading “Side-channel attacking browsers through CSS3 features”
Awesome Talks
Great site developed by Sara Vieira (@NikkitaFTW): Awesome Talks is an awesome list of tech talks to watch that is constantly updated by the community and is a great way to find an interesting talk to watch during downtime. The talks are categorised, and one can submit talks themselves (if they’re on YouTube that is). …
What’s next for JavaScript? – A talk on ESNext by @bramus
I’m currently in Utrecht for Frontend United and have just finished my talk ”What’s next for JavaScript?”. Earlier this week I also gave a shortened version of this lecture at JSConf.be With ES2015 a lot has changed in JavaScript-land. Lesser known releases are the ES2016 and ES2017 releases. This talk not only touches these two …
Continue reading “What’s next for JavaScript? – A talk on ESNext by @bramus”
React Native Parallax Scroll Header with Tabs
Nice writeup on how to create a typical screen where there’s a header image that fades out and disappears as you start scrolling. Essentially, everything but the header is put into a scrollview. In order to keep elements ‘fixed’ (i.e. the tab bar), I use the transform property with a translateY that is set to …
Continue reading “React Native Parallax Scroll Header with Tabs”
Demystifying the future of CSS with sparkles of JS
At the recent JSConf.be conference here in Belgium, Ibe Vanmeenen gave a very nice talk introducing Houdini. CSS as a language is at the brink of a great revolution. Once such a closed and magical language, it will open up to you and your creativity in all it's glory. CSS will become an easy to …
Continue reading “Demystifying the future of CSS with sparkles of JS”