It most cases it's not necessary to add a version constraint next to your packages in the package.json. Since...

It most cases it's not necessary to add a version constraint next to your gems in the Gemfile. Since...

makandra dev

If you have a fully functional CI pipeline but no CD, you might find yourself frequently waiting for CI (with...

Git commands like diff use the less binary for their output representation. I often find myself searching for strings like...

github.com

Geordi will now suggest related commands and options (hand-picked). If a command has suggestions, a single suggestion is printed...

Within Vim do the following: Move cursor to the first starting line where you want to start editing

makandra dev

As we are slowly switching from Cucumber scenarios to RSpec feature specs, you might be tempted to write assertions like...

With this Ruby script you can print all values in a Redis database to your console (derived from this bash...

adactio.com

Web forms can be made much more usable with a few HTML attributes. Short summary: type: Tells browsers about the...

When using tmux, selecting and copying multiple lines of text can be a hassle, especially when using splits (highlighting lines...

makandra dev
gist.github.com

Context and further resources Even though you can get 90% of debugging done with up to 5 basic byebug commands...

I recently noticed that better_errors allows you to to open files from within your favorite editor. However it was...

Debugging your integration tests, that run a headless Chrome inside a docker image, is tricky. In many cases you can...

It is possible to manipulate the forwarded ports of an established interactive SSH session. This is done by opening the...

makandra dev

The rubocop binary has a few interesting flags: rubocop (using the --parallel default ) scans the current repository for linting issues...

When you allow file uploads in your app, a user might upload content that hurts other users. Our primary concern...

Every Rails response has a default ETag header. In theory this would enable caching for multiple requests to the same...

tl;dr asdf allows you to manage multiple runtime versions with a single CLI tool and is backwards compatible by...

If your irb or rails console keeps randomly crashing and you can't figure out why then you can try...

Sidekiq 7 adds a new feature called capsules. Use cases: a chrome queue limited to 1 for e.g. PDF processing...

If you want to to create maps within SASS/SCSS-files, it normally works like this: $some-map: (key1: value1, key2: value2...

To navigate between test and test subject Rubymine requires you to set the test root sources as Test Sources Root...

A lot of web applications require being called over https, which is a good thing. It's possible to configure...

DevOps Curriculum

In dieser Card machst du einige Übungsaufgaben um Linux Server mit Ansible zu verwalten. Da es vermutlich zu aufwendig ist...