Some dozen generic API endpoints you can use to test how your HTTP client deals with various responses, e.g.
All browsers + IE9 know the CSS :empty selector. It lets you hide an element when it has no content, i.e...
Moved from Less to Sass. Bootstrap now compiles faster than ever thanks to Libsass, and we join...
Looking for a way to embed raster images for both low- and high-DPI displays, this developer had some good...
DevDocs combines multiple API documentations in a fast, organized, and searchable interface. Here's what you should know before you...
Using the CSS border-radius property, we can create rounded shapes and circles. Add some gradients and they become spheres...
Ruby has Enumerable.find(&block), which returns the first item in the collection for which the block evaluates to true.
To update your Rubygems to the latest available version, type the following: gem update --system Note that you have a...
You can make both mobile Chrome and mobile Safari display a native app install banner. The banner suggests that the...
Unfortunately, Web APIs haven’t provided the functionality to copy text to the clipboard through JavaScript, which is why visiting...
Spreewald comes with a selector_for helper that matches an English term like the user's profile into a CSS...
I am happy to announce that this information is now available in JSON form at https://ip-ranges.amazonaws.com/ip-ranges.json. The information...
If you'd like to preview the crontab that whenever will deploy, run the following: bundle exec whenever
You may encounter problems with passenger starting an application with an updated rails. If you find an error like this...
If you need a postgresql extension for your database it isn't a good idea to give your applications database...
You can include files from app/assets or from the public folder with javascript_include_tag. The subtle difference that tells...
To check which rubygems versions your different rbenv rubys are using, you can use this small bash script:
As you most likely know validates_uniqness_of :foreign_id does not allow nil values by default.
Use form models to handle this problem Or soften the validation to validates_presence_of :parent
Each time thin boots, it prints a boot message : Thin web server (v1.6.3 codename Protein Powder) Maximum connections set to...
If you hover over the text of a card, you will now see EDIT links at the top right corner...
A word of caution There should rarely be a reason for you to split up config/routes.rb. If you need to...
Use base_class. This traverses up the hierarchy until it encounters either a class inheriting from ActiveRecord::Base or
tig is a command line explorer for Git that is just awesome. Install via apt-get or brew. Handy commands...