Let's say you have a gem which has the following module: module SuperClient def self.foo 'Foo' end
We want to keep a changelog for all gems we maintain. There are some good practices for writing a changelog...
Migrating data from a legacy into a new system can be a surprisingly large undertaking. We have done this a...
At makandra, we've built a few gems over the years. Some of these are quite popular: spreewald (> 1M downloads...
Having a unique selector for an element is useful to later select it from JavaScript or to update a fragment...
Why secure-only cookies used to be necessary Cookies have an optional secure flag. It tells the browser to not...
Background information about session storage in Rails Rails has a default mechanism to store the session in the CookieStore. This...
Rails defines a #truncate helper as well as a method String#truncate. = truncate("my string", length: 5) = "my string".truncate...
The 90s are calling: they want their tables back. Unfortunately, you need them all for laying out your HTML emails...
Ruby has this handy block shortcut map(&:to_i) for map { |x| x.to_i }. However, it is limited to argument...
Authentication is a special part of web applications. On the one hand, it usually is a crucial security mechanism restrict...
In an environment: config.logger = Logger.new('/dev/null')
Just like Ruby Gems tag their version releases to the corresponding Git commit, it can be helpful to track production...
In medium-sized to large Rails applications, asset compilation can take several minutes. In order to speed up deployment, asset...
TL;DR Append your locale keys with _html to have them marked as html_safe and translate them with = t...
When your JavaScript bundle is so massive that you cannot load it all up front, I would recommend to load...
If your rails application is unable to send mails, it might be useful to debug your settings using the rails...
For outputting a given String in HTML, you mostly want to replace line breaks with or tags.
When you have a large PG database, you may want to find out which tables are consuming the most disk...
Webpacker uses Babel and Webpack to transpile modern JavaScript down to EcmaScript 5. Depending on what browser a project needs...
Recent Bundler (1.16.1) started complaining about missing dependencies in the Gemfile. This is due to a stricter handling of specifications...
If freshclam updates are failing even though the update servers are available and you find error messages like the following...
Lets say we have a user with a contract whereas contract is a mounted carrierwave file. Now we want to...
This might be a known issue with Rubygems 2.5.1. This will help: gem update --system