When internationalizing your Rails app, you'll be replacing strings like 'Please enter your name' with t('.name_prompt'). You will be adding keys to your config/locales/*.yml files over and over again. Not to miss any key and place each at t...

When you need to check a value for presence, don't rely on JavaScript since it considers 0 or "0" false. Also don't rely on LoDash's _.isEmpty:

if ('0') { ... } // false
if (0) { ... } // false

^
if (!_.isEmpty('0')) { ... }...

This is a presentation from 2019-01-21.

Summary

• We want to move away from jQuery in future projects
• Motivations are performance, bundle size and general trends for the web platform.
• The native DOM API is much nicer than it used to be, a...

If you use Nginx with SSL and get an intermediate certificate with your certificate you have to do this:

cat /path/to/intermediate/certificate >> /path/to/certificate

• Util
• CLI

When localizing model attributes via I18n you may run into errors like this:

I18n::InvalidPluralizationData: translation data { ... } can not be used with :count => 1. key 'one' is missing.

They seem to appear out of the blue and the ...

When you need to patch an existing gem, one way is to "vendor" the gem by copying it into the vendor/gems directory of your Rails project. You can then make any changes you require and Rails will use the vendored version of the gem after a serve...

In Spreewald 1.10.4+, nested patiently blocks are now patient.

Here is an example:

patiently do
  outer_code
  patiently do
    inner_code
  end
end

On spreewald 1.11.2+ the inner block will wait for the full configured wait time ...

Rails supports time zones, but there are several pitfalls. Most importantly because Time.now and Time.current are completely different things and code from gems might use one or the other.

Especially configuring an application that cares only...

Background

Rails offers several methods to manage three types of different cookies along with a [session storage for cookies](https://guides.rubyonrails.org/action_controller_ove...