When your controller action raises an unhandled exception, Rails will look at the exception's class and choose an appropriate...
For some years Google Chrome has allowed you to add desktop icon for any web page by going to Tools...
When building a web application, one is tempted to claim it "done" too early. Make sure you check this list...
Chrome's developer tools automagically choose vertical or horizontal panel layout, based on their width. You can disable that magic...
So you downloaded a theme for Chrome a while ago and don't remember which one it is?
The default Google Analytics might not work as expected with your Unpoly app. This is because your app only has...
Current webkit browsers like Chrome and Safari have a special variable in their consoles that refers to the selected DOM...
Sometimes you might want to check a short link for it's destination before clicking on it. Additional you get...
Chrome has discontinued support for 32-Bit Linux builds and this might break your apt-get update.
When you're facing a somewhat complex Google Analytics setup and want to find out what's happening, you can...
Geordi is now (partially) tested with Cucumber. Yay! geordi cucumber supports a new @solo tag. Scenarios tagged with @solo...
Until recently, you could open a new tab via window.open when using execute_script in Selenium tests. It no longer...
A very informative and interesting presentation about browsing performance, looking at efforts Google Chrome takes to increase it.
Table of contents of the linked article: What are Web Fonts? Advantages of Web Fonts Disadvantages of Web Fonts
Our applications not only need to be functional, they need to be fast. But, to quote Donald Knuth, premature optimization...
What is a Cookie? Google it if you do not know. How are cookies transferred between your browser and...
As the web is being used for more and more tasks, expectations rise. Not only should web pages offer rich...
In the DevTools settings, there's a "Shortcuts" section. Found these keyboard shortcuts there: General ESC Toggle drawer
DevDocs combines multiple API documentations in a fast, organized, and searchable interface. Here's what you should know before you...
We use Selenium WebDriver integrated with Cucumber/Capybara for full-stack integration testing. Try and use it Your forked MovieDB should...
You can make both mobile Chrome and mobile Safari display a native app install banner. The banner suggests that the...
Exercise 1: Maps In MovieDB, add a new field “Principal filming location”. In a movie’s show view, geocode that...
There is no single place to look up documentation for our stack. This card includes some hints where you can...
Here is how to start your Rails application to accept both HTTP and HTTPS in development. gem install passenger