Terminator has a cool feature that allows you to split your terminal into many panels and type in all of...

Ubuntu 18.04 uses systemd to manage services. There are basically two commands for listing all services and manipulating the state...

If you're experiencing problems with your Google Chrome installation after an update, it might help downgrading Chrome to check...

When loading a database dump created with pg_dump into your database, you might run into an error like

.desktop files define launchers for applications installed on your machine. They specify the command that will be executed when launched...

When logging in Rails, you can use the log_tags configuration option to add extra information to each line, like...

This is an extract from the linked article. It shows an approach on how to implement encrypted passwords with the...

A flat folder structure can be cool if you have only a few folders but can be painful for huge...

Rails 5.2+ supports "verbose query logs" where it shows the source of a query in the application log.

After a recent Ubuntu update I didn't see the main menu bar of the RubyMine IDE (File | Edit | View...

When you use Sentry to monitor exceptions, an important feature is Sentry's error grouping mechanism. It will aggregate similar...

In Ruby on Rails, all the routes of a given application can be found within the config/routes.rb file.

In interactive commands, Git allows the user to provide one-letter input with a single key without hitting enter (docs...

When writing some logs to a file, that don't use Ruby's logger utility, it is often useful to...

grep is the go-to CLI tool to accomplish tasks like filtering large files for arbitrary keywords. When additional context...

CSP hat zum Ziel einen Browser-seitigen Mechanismus zu schaffen um einige Angriffe auf Webseiten zu verhindern, hauptsächlich XSS...

We're pleased to announce Ruby 3’s new language for type signatures, RBS. One of the long-stated goals...

4.0.0 2020-07-30 Compatible changes Improved documentation; README now includes command options. Improvement #90: geordi console, geordi deploy, geordi...

"Open-source software (OSS) is great. Anyone can use virtually any open-source code in their projects." Well, it depends...

If you have a :string or :text field, you should pair it with a model validation that restricts its length...

Nokogiri is great. It will even fix invalid HTML for you, like a browser would (e.g. move block elements out...

Select2 comes with AJAX support built in, using jQuery's AJAX methods. ... For remote data sources only, Select2 does not...

There is a reasonable simple way to move data between Redis servers: Simply temporarily configure the new server as a...