We structure our CSS using the BEM pattern. Our naming convention for blocks, elements and modifiers has evolved over the...
Ruby's File class has a handy method binary? which checks whether a file is a binary file. This method...
If you migrate a Rails application from Sprockets to Webpack(er), you can either transpile your CoffeeScript files to JavaScript...
CSP hat zum Ziel einen Browser-seitigen Mechanismus zu schaffen um einige Angriffe auf Webseiten zu verhindern, hauptsächlich XSS...
We're pleased to announce Ruby 3’s new language for type signatures, RBS. One of the long-stated goals...
"Open-source software (OSS) is great. Anyone can use virtually any open-source code in their projects." Well, it depends...
Here is an ES5 object literal with two string properties and a function property: let user = { firstName: 'Max', lastName: 'Muster...
# Basic HTML example # Javascript API (notable methods and properties) video = document.querySelector('video') video.play() video.pause() video.load() // Reset to the beginning and...
Let's say you want to merge the properties of two JavaScript objects: let a = { foo: 1, bar: 2 }
TL;DR PostgreSQL handles Rails 4+ text and string columns the same. Some libraries may still reflect on the column...
Select2 is a fantastic library for advanced dropdown boxes, but it depends on jQuery. Alternatives Tom Select
Select2 comes with AJAX support built in, using jQuery's AJAX methods. ... For remote data sources only, Select2 does not...
If you render markdown from user input, an attacker might be able to use this to inject javascript code into...
When an event listener on a DOM element throws an error, that error will be silenced and not interrupt your...
Speaker today is Henning Koch, Head of Development at makandra. This talk will be in German with English slides.
To make CSS rules dependent on the screen size, we use media queries: @media (max-width: 500px) { // rules for screen...
The linked GitHub repository is a bit like our "dev" cards deck, but groomed from a single person (Josh Branchaud...
With puma you can have concurrent requests. There are two concepts on how Puma can handle two incoming requests: Workers...
A recent patch level Ruby update caused troubles to some of us as applications started to complain about incompatible gem...
When we write a form with date fields, we often use graphical data picker like Rome to get a consistent...
Code comments allow for adding human readable text right next to the code: notes for other developers, and for your...
You can use the CSS property mask-image to define an "alpha channel" for an element. E.g. to let an...
This is a personal post-mortem analysis of a project that was mainly build to provide a REST API to...