On your local system that only hosts non-critical development data and only you have access to, you can store...
Rails offers a way to prepend (or append) view paths for the current request. This way, you can make the...
The httpclient gem comes with a custom SSL cert store. While an customizable, application-level cert store is great when...
When you have string contents (e.g. a generated binary stream, or data from a remote source) that you want to...
You need to update a lof gems. Make sure you don't have any version constraints in your...
Running rails server will start a local server that you can access via http://localhost:3000. When you are working...
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...
Your default postgres user is named like your linux user. That default user has limited access privileges, which can cause...
Trying to open a vnc window with geordi geordi vnc ended up with this error: > VNC viewer could not be...
mysql> SELECT @@global.version; +------------------+ | @@global.version | +------------------+ | 5.6.30 | +------------------+ 1 row in set (0,00 sec) MySQL 5.6 Reference Manual says "BLOB and TEXT...
Use bundler > 1.15 to fix Gem::LOADED_SPECS_MUTEX (NameError). Given the following project: ruby -v ruby 1.8.7
Here is how to use Chromedriver without libraries like selenium-webdriver. This can be useful for debugging. The following example...
If you want to make a screenshot of a website that works well in print or on a high-DPI...
When flagging a spec that will be implemented later as pending, include a failing spec body or RSpec 3 will...
When a Rails controller action should handle both HTML and JSON responses, do not use request.xhr? to decide that. Use...
I recently had fun with replacing a custom video plattform ("mycustomtv") in one of our applications. I learned a lot...
Note netstat has mostly been superseeded by its more modern rewrite ss which nowadays comes pre-installed rather than netstat...
Understanding your type of cronjob Some cronjobs must only run on a single server. E.g. when you run nightly batch...
When installing gems, a lot of time is spent building locally installed documentation that you probably never use.
When you have a pending Cucumber step (or feature) that also uses an existing VCR cassette, your pending test may...
Katapult 0.3.0 brings Rails 5 and Ruby 2.5 support with a new design, plus a ton of smaller features, fixes...
Enumerable#all? returns true for an empty collection. This totally makes sense but you have to think about it when...
Say you want to move a git repository from one remote (perhaps Github) to another (perhaps Gitlab).