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...

github.com

The linked GitHub repository is a bit like our "dev" cards deck, but groomed from a single person (Josh Branchaud...

When we write a form with date fields, we often use graphical data picker like Rome to get a consistent...

Sometimes it's nice to have some coloring in your logs for better readability. You can output your logs via...

This checklist should help you to check edge cases that are not part of the default Carrierwave configuration.

To test that an object was constructed by a given constructor function, use jasmine.any(Klass): describe('plus()', function() { it ('returns...

Browsers come with a set of built-in elements like or . When we need a new component not covered by...

So I had the issue that User input (coming from many different sources and users) often contains the...

matthewphillips.info

A while ago I tweeted a thread about how a small JavaScript snippet, one that can fit in a single...

This is a bookmarklet you can add to Chrome or Firefox which will allow you to create a story in...

jQuery is still a useful and pragmatic library, but chances are increasingly that you’re not dependent on using it...

Capybara provides execute_script and evaluate_script to execute JavaScript code in a Selenium-controlled browser. This however is not...

coffeescript.org contains only documentation for the latest CoffeeScript version. Version 2 transpiles to ES6. We stopped using CoffeeScript a while...

web.archive.org

Use the compile function to change the original DOM (template element) before AngularJS creates an instance of it and before...

The main benefit of our convention to prefix commits by their corresponding Pivotal Tracker ID is that we can easily...

makandra dev

CSS transitions are a simple animation framework that is built right into browsers. No need for Javascript here. They're...

makandra dev

General hints on the DOM the root of the DOM is document custom elements inherit from HTMLElement. They need a...

When an AJAX request raises an exception on the server, Rails will show a minimal error page with only basic...

makandra dev

webpack is a very powerful asset bundler written in node.js to bundle (ES6) JavaScript modules, stylesheets, images, and other assets...

RubyMine comes with a nice way to grep through your project's files: The finder (ctrl + shift + f). Don't...

Jasmine has long standing support for writing asynchronous specs. In days gone by we used the done callback to achieve...

The goal is to get Jasmine specs running in a Rails project using Webpacker, with the browser based test runner...