JavaScript engines such as Google’s V8 (Chrome, Node) are specifically designed for the fast execution of large JavaScript applications...
Rarely, you might want to rebuild all gems with native extensions, because they might be compiled against outdated system libraries...
Generally, Selenium tests use the browser to interact with the page. If it's unavailable, a timeout error is...
If you're using the Capybara webdriver, steps sometimes fail because the browser hasn't finished loading the next page...
Shows how to implement an animated progress bar in pure CSS, without animated GIFs, Javascript or Flash.
Browser rendering engines are very slow at rendering large box shadows. I had a situation where a complex layout with...
Why is this useful? You can have a background image on the same element, overlaying it with a transparent gradient...
When is this useful? When both parent and child elements have borders, with this technique you don't get two...
Makes a robust determination of a user's timezone through Javascript.
Richard Powell presents a collection of CSS styling advice that's mainly taken from SMACSS. Although at makandra we're...
This is for you if you get the following strange error from the state_machine gem: undefined method `-' for #
Turbolinks makes following links in your web application faster. Instead of letting the browser recompile the JavaScript and CSS between...
If some of your JavaScripts fail on Internet Explorer, but only in staging or production environments, chances are that JavaScript...
Today I got a better understanding of how git works, in particular what git checkout and git reset do.
Note: Modern Rails has two build pipelines, the asset pipeline (or "Sprockets") and Webpacker. The principles below apply for both...
Interesting interview with DHH, where he talks about how they made the new Basecamp feel very fast without using a...
A print stylesheet is easy to create. Choose a font suited for paper, hide some elements, done. Unfortunately print stylesheets...
Assuming the following sunspot setup of the post class: class Post < ActiveRecord::Base searchable do text :title string :state
So your Cucumber feature sometimes dies with this exception: Modal Dialog Present (Selenium::WebDriver::Error::UnhandledAlertError) As a seasoned Selenium...
In Selenium features the server and client are running in separate processes. Therefore, when mocking time with a tool like...
This Firebug feature is called simply Log Events and allows developers to log DOM events into the Console panel.
No one wants to cry over regression issues in views; does testing HTML and CSS have to be such a...
The usage shares of your site highly depends on your target audience. E.g. no Internet Explorer has ever seen hollyapp.com...
Write your app using HTML, CSS or JavaScript, upload it to the PhoneGap Build service and get back app-store...