Rails default config uses the ActiveSupport::Cache::NullStore and disables controller caching for all environments except production: config.action_controller.perform_caching = false...
These tools help you in checking websites globally: DNS Checker This tool allows for global DNS propagation checking. GeoScreenshot
This is useful if, for example, you want to use a background-image that has to scale with the width...
Typhoeus has a different way of representing array params in a get request than RestClient. Typhoeus: http://example.com/?foo[0]=1&foo[1]=2&foo[2]=3
By default Middleman generates files with a .html extension. Because of this all your URLs end in /foo.html instead of...
Middleman is a static page generator that brings many of the goodies that Rails developers are used to.
In modern default RSpec configurations, your tests are usually run in random order. This helps to detect "flickering" tests that...
RubyMine provides a visual tool for resolving merge conflicts locally. Follow Git > Resolve Conflicts in the context menu to open...
The parallel-gem is quite easy to use and can speed up rendering time if you want to render the...
Imagine the following HTML structure, where the scrolling container has overflow-y: scroll: +--scrolling container+-+ | | | +-child element+----+ | | | ++iframe++ | | | | | | | | | | | | | | +-----------------------+ | | | | <-- actually cut...
When filling out forms in Selenium tests, Chrome shows the (usual) bubble, asking to store those credentials. While the bubble...
Some pseudo-elements need to be addressed with vendor prefixes. E.g. ::selection is not supported by Firefox, you need to...
Sometimes you want/have to send specific http(s) requests. You can do that easy with curl or just write the...
ImageMagick has a command line tool called identify which can read image metadata: >identify -verbose DSC00136.JPG Image: DSC00136.JPG Format: JPEG...
You can start vim with a read-only option. This prevents making accidentally changes in files you don't want...
Note: The behaviour of Spreewald's within step is as described below for version < 1.9.0; For Spreewald >= 1.9.0 it is...
This card is just about creating simple PostgreSQL dumps. This is no instruction for a backup strategy nor a guide...
This is not an issue in newer versions of HAML (starting with 5.0.0), as the ugly-option was removed...
There are various ways to run external commands from within Ruby, but the most powerful ones are Open3.capture3 and Open3.popen3...
Line-height and vertical-align are simple CSS properties. So simple that most of us are convinced to fully understand...
Sometimes your code has long lines: describe 'foo' do describe 'bar' do really_long_line_really_long_line_really_long...
There seems to be a nasty bug in Chrome 56 when testing with Selenium and Capybara: Slashes are not written...
Web technology is a broad field and you cannot be an expert in all aspects. However, it is useful to...
Just like we use gems on the server, we use third party JavaScript libraries in the browser. These typically provide...