Geordi's cucumber command has a --rerun option that reruns failing tests the given number of times. Usage: geordi cucumber...
...HTML's accepts a single file. You can allow multiple files via . But sometimes, selecting multiple files is not enough...
Let's say you have a gem which has the following module: # within the imaginary super gem module SuperClient
We want to keep a changelog for all gems we maintain. There are some good practices for writing a changelog...
Most forms have a single submit button that will save the record when pressed. Sometimes a form needs additional submit...
Migrating data from a legacy into a new system can be a surprisingly large undertaking. We have done this a...
In general, the tracker should always be the definitive source of truth of what needs to be done as part...
In a project team for a bigger project people have several roles: Developer: at makandra Project lead: at makandra
At makandra, we've built a few gems over the years. Some of these are quite popular: spreewald (> 1M downloads...
For webpages to load fast it's recommended to optimize images. Ideally an image's file size should be as...
Background information about session storage in Rails Rails has a default mechanism to store the session in the CookieStore. This...
Whenever is a Ruby gem that provides a nicer syntax for writing and deploying cron jobs. Leading zeros are important...
Browsers' printing methods usually don't print background colors. In most cases this is the desired behavior, because you don...
A matcher is a function that returns an object with a compare key. Usually it is registered with beforeEach...
TL;DR I18n keys ending with _html are automatically marked as HTML-safe when translating with t('.your_key_html...
For outputting a given String in HTML, you mostly want to replace line breaks with or tags.
CarrierWave comes with some RSpec matchers which will make testing more comfortable. Let's say you have an Uploader like...
When you need test images, instead of using services like lorempixel or placehold.it you may generate test images yourself.
Don't sum up columns with + in a sql-query if NULL-Values can be present. MySQL and PostgreSQL cannot...
Rails offers a way to prepend (or append) view paths for the current request. This way, you can make the...
When you have string contents (e.g. a generated binary stream, or data from a remote source) that you want to...
Form fields can be rendered as noneditable by setting the disabled or the readonly attribute. Be aware of the differences...
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...