In the tab where you need it, open Chrome DevTools with F12, open settings with F1, scroll down to the...
Generally, Selenium tests use the browser to interact with the page. If it's unavailable, a timeout error is...
This only works when you actually have a session ID (not the case for Rails' CookieStore, for example): request.session_options...
CSS Flexbox has become extremely popular amongst front-end developers the last couple of years. This isn’t surprising, as it has made it a lot easier for us to...
...got a lot of the same capabilities as Flexbox. In come cases it’s better than Flexbox, while in other cases it’s not. If you are to take one...
Spreewald 1.1.0 drops the be_true and be_false matchers in order to be RSpec 3 and Ruby 2 compatible...
Macs render fonts bolder than they are, especially on dark background. This can be fixed by configuring the font smoothing...
Git is hard: screwing up is easy, and figuring out how to fix your mistakes is fucking impossible. Git documentation...
A short browsing revealed that this may be a current firefox issue Current workaround: use another browser
For arrays of objects, uniq does not work as expected, since it uses strict equality. So [[1], [1]].uniq() == [[1...
The speed searching for makandra notes in Firefox can be improved by following these steps: Download the Firefox-Add-on...
Since Rails 5, domain models inherit from ApplicationRecord by default. This is the place to put code that should be...
Boolean attributes can now be set by appending "which", "that" or "who" at the end: Given there is a movie...
There are many ways to optimize SVGs. Ideally, your build pipeline does that automatically for you (e.g. via postcss-svgo...
The article author also tested 6000+ production sites for load times. Apps became interactive in 8 seconds on desktop (using cable) and 16 seconds on mobile (Moto G4...
To check your apache2 config files for syntax errors run sudo apache2ctl configtest or shorter sudo apache2ctl -t
If you get an error message like that you are missing the Aspell files a specific language:
Usually, Cucumber feature files live in features/. When you group them in sub directories, make sure to add -r features...
You can download .gem files using gem fetch: gem fetch activesupport consul This will produce files like active-support-5.0.0.gem and consul-0.12.1.gem...
Web fonts are great. They are also be really bad for front-end performance because they block rendering. You may...
This will reduce the filesize of foo and bar to 0 bytes: truncate -s0 foo bar If the files do...
If you are in the middle of a file and want to scroll, but don't want to move your...
This might be due to AppArmor denying the MySQL server access to most of the filesystem. You can instead use...
After reading, you will know why and how runners.each(&:run) works. Here some tidbits: & can be quite confusing because it...
fake_stripe spins up a local server that acts like Stripe’s and also serves a fake version of Stripe.js...