Why secure-only cookies used to be necessary Cookies have an optional secure flag. It tells the browser to not...
Background information about session storage in Rails Rails has a default mechanism to store the session in the CookieStore. This...
If possible your code should detect features, not browsers. But sometimes you just need to sniff the browser. And when...
The 90s are calling: they want their tables back. Unfortunately, you need them all for laying out your HTML emails...
Here is how to model basic logic in media queries. AND With keyword and. # Target viewport widths between 500 and...
Since late 2015, all major browsers (still excluding Firefox) support pointing device media queries. These can be used to distinguish...
RSpec let's you chain a matcher with .or. The expectation will then pass if at least one matcher matches...
Browsers' printing methods usually don't print background colors. In most cases this is the desired behavior, because you don...
There is a kinda secret, yet well supported CSS feature called currentColor. It's like a special CSS variable that...
Using the JS fullscreen API is painful because all browers use different methods and events and you need to use...
When your application is running on a multi-server setup, application logs are stored per server (unless you choose a...
When your JavaScript bundle is so massive that you cannot load it all up front, I would recommend to load...
For outputting a given String in HTML, you mostly want to replace line breaks with or tags.
Webpacker uses Babel and Webpack to transpile modern JavaScript down to EcmaScript 5. Depending on what browser a project needs...
Touch devices have their own set of events like touchstart or touchmove. Because mobile browsers should also work with with...
CSS Flexbox has become extremely popular amongst front-end developers the last couple of years. This isn’t surprising, as...
When you need test images, instead of using services like lorempixel or placehold.it you may generate test images yourself.
For applications coming with lots of stylesheets and scripts, asset compilation might take quite long. This can be annoying when...
Running rails server will start a local server that you can access via http://localhost:3000. When you are working...
We often use the Then console step from spreewald in combination with geordi vnc from geordi to debug tests within...
In Spreewald 1.10.4+, nested patiently blocks are now patient. Here is an example: patiently do outer_code patiently do
Form fields can be rendered as noneditable by setting the disabled or the readonly attribute. Be aware of the differences...
When your Rails controller calls render, you can pass a :status option for the HTTP status code: render 'results', status...
Here is how to use Chromedriver without libraries like selenium-webdriver. This can be useful for debugging. The following example...