Debugging your integration tests, that run a headless Chrome inside a docker image, is tricky. In many cases you can...
tl;dr Individual transform properties are great because they allow you to write more readable and maintainable CSS, especially when...
Sidekiq 7 adds a new feature called capsules. Use cases: a chrome queue limited to 1 for e.g. PDF processing...
In a Jasmine spec you want to spy on a function that is imported by the code under test. This...
tl;dr In Chrome DevTools in the Layouts tab you have handy options to debug CSS Flexbox and Grid. Including...
tl;dr The Chrome DevTools are a neat collection of tools for the daily work as a web developer. If...
tl;dr In Chrome DevTools in the Sources tab you can activate Event Listener Breakpoints for debugging events. Example
tl;dr In Chrome DevTools in the Elements tab or in Firefox in the Inspector tab you can right click...
tl;dr In the Elements tab in the Chrome DevTools you can right click on an element and select Store...
To allow HTTP 304 responses, Rails offers the fresh_when method for controllers. The most common way is to pass...
Working with a self-signed certificate is much easier, when the browser accepts it. Google Chrome Warnings from chrome might...
In Chrome DevTools you can use getEventListeners(object) to get a list of registered event listeners on the specified object...
While we are used to run our JavaScript tests on a test page within our Browser, it's also possible...
The Interactive Advertising Bureau (IAB) is a European marketing association which has introduced a standard how advertising can be served...
Similar to the Webpack Bundle Analyzer, Chrome's new Lighthouse feature … … shows a visualisation of your JavaScript bundles. It's...
Most browsers have built-in drag and drop support for different page elements like text and images. While this may...
It seems like changing the HTTP_ACCEPT_LANGUAGE is not possible for a headless chrome. On Ubuntu the headless Chrome...
You can throttle the network in your headless chrome via Selenium. This might be useful for debugging issues with flaky...
An extensive list of command line options when booting Chrome. This is useful for building a Capybara driver with custom...
After switching a project from Sprockets to Webpack, I started observing a bug that was hard to debug: Our...
6.0.0 2021-06-02 Compatible changes geordi commit will continue even if one of the given projects is inaccessible. It...
We recently noticed issues with Chrome 75+ when having the w3c option enabled within the Selenium webdriver. It looks like...
We prefer to run our end-to-end tests with headless Chrome. While it's a very stable solution overall...
By default parallel_tests will spawn as many test processes as you have CPUs. If you have issues with flaky...