The linked GitHub repository is a bit like our "dev" cards deck, but groomed from a single person (Josh Branchaud...
With puma you can have concurrent requests. There are two concepts on how Puma can handle two incoming requests: Workers...
Simplecov is a code coverage tool. This helps you to find out which parts of your application are not tested...
A recent patch level Ruby update caused troubles to some of us as applications started to complain about incompatible gem...
Embedding videos on a website is very easy, add a tag to your source code and it just works...
This is a personal post-mortem analysis of a project that was mainly build to provide a REST API to...
Root Insurance runs their application as a monolithic Rails application – but they've modularized it inside its repository. Here is...
This checklist should help you to check edge cases that are not part of the default Carrierwave configuration.
If you want to make your Rails application be capable of sending SMTP emails, check out the action mailer configuration...
A while ago I tweeted a thread about how a small JavaScript snippet, one that can fit in a single...
Unicorn allows you to specify the maximum number of workers. In development this could be useful if you use a...
The bin/webpack-dev-server command is not as smart as e.g. rails server, where it shows the proper fix within the error...
There was an issue with makandra_sidekiq < 0.2 concerning the stopping of Sidekiq. Sidekiq < 6 has two finishing timeouts: one...
This collection contains some useful design resources for developers. Many of them were mentioned in the Refactoring UI tutorials.
You can use constraints in your routes.rb to avoid getting ActionView::MissingTemplate errors when wrong routes are called. Instead, the...
I got this error after upgrading Ruby from 2.4.5 to 2.6.4 when I opened the Rails console - rails server still...
If you use webpacker in your Rails application, and you have completely disabled Sprockets, you might get the following error...
Capistrano automatically logs each (successful) deployment into a file on your application servers. It is located at the root of...
When an AJAX request raises an exception on the server, Rails will show a minimal error page with only basic...
Two weeks ago, Cloudflare was struck by a global outage that lasted ~30 minutes. The incident was rooted on a...
webpack is a very powerful asset bundler written in node.js to bundle (ES6) JavaScript modules, stylesheets, images, and other assets...
Travis changed their default distribution from Ubuntu 14.04 (trusty) to 16.04 (precise). This might break your test setup for new...
The issue in this card can occur if the node_modules directory is checked into your Git repository. We usually...
When deploying with capistrano it's possible you get this "error" message: *** [err :: example.com] There are no Phusion Passenger-served...