Creating a React app with create-react-app

Tyler McGinnis, after having been involved in quite a lot of tutorials/courses/workshops teaching on how to build a React app: Throughout all of these workshops, one thing was consistent: getting started with a React application was pretty overwhelming, for both beginners and senior developers alike. I can confirm this I must say. The tutorials and …

CSS Only Scroll Indicator

There’s a pen embedded in this post. Visit this post on the Bram.us website, or see the Pen CSS only scroll indicator on CodePen. I was interested to see if I could make a scroll indicator with just CSS. You can! But maybe you shouldn’t. This is an interesting consequence of a bunch of hacks …

Node.js “Hackathon Starter”

If you have attended any hackathons in the past, then you know how much time it takes to get a project started: decide on what to build, pick a programming language, pick a web framework, pick a CSS framework. A while later, you might have an initial project up on GitHub and only then can …

Validating SSL certificates with PHP

Great stuff again by Freek Murze from Spatie: A PHP class to easily check the validity of an SSL Certificate. Easily? Yes, easily: $certificate = SslCertificate::createForHostName(‘spatie.be’); $certificate->getIssuer(); // returns “Let’s Encrypt Authority X3” $certificate->isValid(); // returns true if the certificate is currently valid $certificate->isValid(domain.com); // returns true if the certificate is currently valid for the …

Cauditor – PHP Code Audit and Visualisations

Great tool by Matthias Mullie, to analyzing your PHP code (in the screenshot above you can see the analysis of ansi-php): Figure out complexity hotspots in the blink of an eye from a couple of very simple charts [generated by Cauditor]. The charts will help you understand the architecture of the project & make it …

Pokémon Go GPS Hack

Don’t want to go outside to play Pokémon Go? Some guys came up with this clever hack: generate your own GPS signal. Simulating GPS data with poor software was yesterday! We are generating the real GNSS data with our R&S SMBV and feeding the signal directly into the mobile device. […] The setup is a …

Why Uber Engineering Switched from Postgres to MySQL

Postgres served us well in the early days of Uber, but we ran into significant problems scaling Postgres with our growth. In this article, we’ll explore some of the drawbacks we found with Postgres and explain the decision to build Schemaless and other backend services on top of MySQL. Why Uber Engineering Switched from Postgres …