Until recently, you could open a new tab via window.open when using execute_script in Selenium tests. It no longer...
CSS4 comes with :has. E.g. h1:has(b) would select all tags that contain a tag. This is implemented in...
Spreewald 1.4.0 comes with this step: When I click on the element ".sidebar" We recommend to define a selector_for...
Spreewald 1.3.0 comes with these steps: Then I should see an element ".panel" Then I should not see an element...
Web safe fonts are fonts that are pre-installed by many operating systems. While not all systems have the same...
Note This card does not reflect the current state of lazy loading technologies. The native lazy attribute could be used...
Our applications not only need to be functional, they need to be fast. But, to quote Donald Knuth, premature optimization...
I figure we needed a definitive reference for what work is triggered by changing various CSS properties. It's something...
As the web is being used for more and more tasks, expectations rise. Not only should web pages offer rich...
With ngAnimate, you can easily animate certain events (see directive support). We'll make use of ngClass animations to style...
All browsers + IE9 know the CSS :empty selector. It lets you hide an element when it has no content, i.e...
Moved from Less to Sass. Bootstrap now compiles faster than ever thanks to Libsass, and we join...
We are using the BEM pattern ("Block, Element, Modifier") to structure our CSS in all new projects. We try to...
Read the following material: World's shortest UI/UX design course 7 Rules for Creating Gorgeous UI (Part 1)
Using the CSS border-radius property, we can create rounded shapes and circles. Add some gradients and they become spheres...
Spreewald comes with a selector_for helper that matches an English term like the user's profile into a CSS...
How do HTTP requests and responses look like? What are HTTP headers? What are they used for?
There is no single place to look up documentation for our stack. This card includes some hints where you can...
Free Bootstrap theme resembling Material Design. Bootswatch offers Sass and Less files, so the theme can easily be integrated into...
CTRL + SHIFT + ALT + N Search for any symbol in your application, like CSS classes, Ruby classes, methods, helpers etc...
A common task in web applications is to add client-side JavaScript behavior to existing HTML elements.
iPads will not trigger click events for all elements. You can fix that, but you don't want to know...
This blew my mind today: 12 Little-Known CSS Facts 12 Little-Known CSS Facts (The Sequel) Please make sure...
Get an idea of the varying support for HTML/CSS/JavaScript features in different browsers like Chrome, Firefox, Internet Explorer, Edge...