When upgrading Clearance, pay attention whether the password hashing strategy might have changed. Old clearance versions (< 1.0) used SHA1-encrypted...
Queries with aggregated date types For a database instance of MariaDB-10.1 or higher the result of the following query has changed. SELECT MIN(NOW)
If you use webpacker in your Rails application, and you have completely disabled Sprockets, you might get the following error...
You can share a state in Ruby with global variables. Even if you should avoid them whenever possible, for debugging...
Capistrano automatically logs each (successful) deployment into a file on your application servers. It is located at the root of...
General hints on the DOM the root of the DOM is document custom elements inherit from HTMLElement. They need a...
When an AJAX request raises an exception on the server, Rails will show a minimal error page with only basic...
Sometimes, due to git or other "accidents", important files get deleted or overwritten. At a state when even Ctrl+Z...
collectd5 in version 5.9.0 is broken and you upgraded it everywhere. But because it's FreeBSD it does not...
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...
Inspecting the source of an email does not always reveal the plain HTML source, but some encoded byte mess. In...
git apply allows you to apply a diff onto your HEAD. Most often you can achieve the same result with...
RubyMine comes with a nice way to grep through your project's files: The finder (ctrl + shift + f). Don't...
Element finding is a central feature of Capybara. Since #find is normally used to get elements from the current page...
If your Ruby project includes a gem like Spreewald that comes with some external step definition, RubyMine does not know...
If rspec hangs with no output and you dont get a backtrace neither with --backtrace nor by just killing it...
With ActiveType 1.2 you can modify associations (has_many etc.) after they have been defined. One common use case for...
In Ruby on Rails, all objects have a useful blank? method. It returns true for nil but also for empty...
Katapult was an endeavor to dramatically speed up starting a new Rails application. However, it turned out to save less...
Not all versions of Node.js are compatible with each other. Also npm packages may require a minimum or maximum version...
When you update your ChromeDriver to version 75 or beyond, you might get w3c errors in your tests.
When deploying with capistrano it's possible you get this "error" message: *** [err :: example.com] There are no Phusion Passenger-served...