This collection contains some useful design resources for developers. Many of them were mentioned in the Refactoring UI tutorials.
I got this error after upgrading Ruby from 2.4.5 to 2.6.4 when I opened the Rails console - rails server still...
When using Chrome for Selenium tests, the chromedriver binary will be used to control Chrome. To debug problems that stem...
The main benefit of our convention to prefix commits by their corresponding Pivotal Tracker ID is that we can easily...
The ruby sass gem also installs a command line tool to convert to and from SCSS. Use it for a...
CSS transitions are a simple animation framework that is built right into browsers. No need for Javascript here. They're...
There are several ways to merge two (or more) PDF files to a single file using the Linux command line...
Within a Flexbox layout, there are multiple CSS attributes that may affect a child's basis (the initial width before...
Rails is split into a large number of (sub-) frameworks. The most important and central of those are activesupport (extends...
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...
webpack is a very powerful asset bundler written in node.js to bundle (ES6) JavaScript modules, stylesheets, images, and other assets...
From Ubuntu 17, rbenv fails to install Ruby below 2.4 because of a mismatching OpenSSL dependency: it needs libssl1.0-dev for...
The gem json fails to install for Ruby 2.5 if you use a version equal or below 1.8.3.
Travis changed their default distribution from Ubuntu 14.04 (trusty) to 16.04 (precise). This might break your test setup for new...
Not all versions of Node.js are compatible with each other. Also npm packages may require a minimum or maximum version...
The issue in this card can occur if the node_modules directory is checked into your Git repository. We usually...
When installing a gem you can use version comparators like >= or ~>. That way it is possible to fetch the latest...
Cucumber up to version 2 had a neat feature called Step Argument Transforms which was dropped in favor of Cucumber...
When deploying with capistrano it's possible you get this "error" message: *** [err :: example.com] There are no Phusion Passenger-served...
Set up a package root in your homedir to hold the Node "global" packages: $ NPM_PACKAGES="$HOME/.npm-packages"
Until Capybara 2, node finders that accept a text option were able to find nodes based on rendered text, even...
Over the years we have tried several solution to have vector icons in our applications. There are many ways to...
If you struggle with a /boot partition that is too small for updates, and you are too intimidated by the...