Capybara and most assistive technology will fail to find tags that are missing an href attribute. This will probably happen...
PDFKit converts a web page to a PDF document. It uses a Webkit engine under the hood...
If you want to move an element inside an array, neither JavaScript/ES6+ nor libraries like LoDash offet that natively.
Nearly all jQuery traversal functions ignore elements that are not HTML tags. To work with other type of nodes (like...
Amazing guide how to divide a ball of Javascript spaghetti distinct separate layers (model, view, controller, backend adapter).
The Paper elements are a set of UI elements that implement the material design system.
Automatically builds gems from Bower packages (currently 1700 gems available). Packaged Javascript files are then automatically available in your asset...
If your requests blow up in Ruby or CURL, the server you're connecting to might only support requests with...
This card describes how to pass an array with multiple element to a JavaScript function, so that the first array...
Aruba is an extension to Cucumber that helps integration-testing command line tools. When your tests involve a Rails test...
When you cannot make Selenium trigger events you rely on (e.g. a "change" event when filling in a form field...
An all-in-approach to fix the problem of pending AJAX requests dying in the browser when the server ends...
I use this to simulate the (non-existing) :last-letter CSS pseudoclass, e. g. to insert a tombstone at the...
React.js is a relatively new Javascript templating engine that has two-way-bindings like AngularJS or Batman. The interesting idea...
When you want the table headers to always stay around (e.g. because that table is huuuge), use the code below...
So you have a restangular collection and you want to remove an element from it, after you've successfully deleted...
If you are using Angular and want something like Rails' simple_format which HTML-formats a plain-text input into...
If you want to do JavaScript-style camelization, ActiveSupport's String#camelize method can actually help you out. Simply pass...
If you come across an (older) application that is using Prototype instead of jQuery, you may often see events bound...
Splitting a long method into sub methods is easier in instances since it is in classes. Since...
Batman is an alternative Javascript MVC with a similar flavor as AngularJS, but a lot less features and geared towards...
If you are trying to inspect timings in JavaScript, you can use console.time and console.timeEnd which will write to your...
Article about implementing authentication (current_user) and authorization (access rights) in AngularJS. Has an surprising amount of practical and understandable...
rake stats # => LOC per controllers, models, helpers; code ratios, and more rake notes # => collects TODO, FIXME and...