IE10 / IE11 Metro mode: How to switch tabs or show the address bar

When using git diff, you might encounter weird characters where umlauts (or any other UTF-8) characters should be. It looks like this:

R<C3><BC>ckg<C3><A4>ngig # should be "Rückgängig"

However, not Git is to blame [but the less comma...

Use Socket.gethostname. So for a machine whose hostname is "happycat", it will look like this:

>> Socket.gethostname
=> "happycat"

That should work right away for your Rails application. For plain Ruby, you first need to do:

requi...

Crontabs are often unordered, especially when generated for an application where you usually group tasks by their domain/scope.

An example crontab might look like this:

# Begin Whenever generated tasks for: project100
MAILTO="log@example.com...

Remember why preloading associations "randomly" uses joined tables or multiple queries?

If you don't like the cleverness of thi...

There is no reason to leave trailing whitespace characters in your project's files, so don't add any.

A git diff --check will tell you if there are any and you should not commit when you see them. So go ahead and switch your editor/IDE to autom...

This are the steps I needed to do to add esbuild to an application that used the vanilla rails asset pipeline with sprockets before.

Preparations

1. update Sprockets to version 4
2. add a .nvmrc with your preferred node version (and instal...

If you want to switch to another ruby versions, you have several options, depending on what you want: Do you want to switch temporarily, per project, or globally?
Here is a short guide.

Unlike RVM, **rbenv does not offer a command like `rvm ...

This cards describes an example with a Github Client on how to keep your Rails application more maintainable by extracting domain independent code from the app/models folder to the lib/ folder. The approach is applicable to arbitrary scenarios...

tl;dr

We recommend configuring Selenium's unhandled prompt behavior to "ignore".

When running tests in a real browser, we use Selenium. Each browser is controlled by a specific driver, e.g. Selenium::WebDriver::Chrome for Chrome.

...