You might wonder about this request in your test.log: Started GET "/__identify__" for 127.0.0.1 at 2015-04-29 18:00...
Re-creating a complex ActiveRecord scenario quickly without setting up a full-blown Rails app can come in handy e.g...
Service that you can integrate for user feedback. Super-simple integration: Add a tag to your layout, done. It will then add a button to the bottom right of your application. When a user clicks it, they can take a screenshot and leave a message. The screenshot then appears in TrackDuck's interface for you to work off. Current pricing is 9 USD per month for the smallest tier (1 project).
When you want to UPDATE a table with information from an associated table, you can JOIN the associated table into...
Several Rails migration methods accept index: true as an option to create an index. In some cases (like #add_column...
jquery-placeholder is a simple jQuery plugin that enables form placeholders in browsers that do not support them natively, i.e...
There are times when you have a chunk of text that you want to do something with, e.g. replace something...
TL;DR Under certain circumstances, dynamically defined symbols may break keyword arguments in Ruby 2.2. This was fixed in Ruby...
It is a common misunderstanding that all [op]=-operators work the same way, but actually they don't. ||= and &&=
dmesg shows the kernel ring buffer containing low-level system messages. Per default, dmesg shows a timestamp:
When using send_file (for example for attachments of any kind), make sure your application knows the correct mime types...
You can freeze any Ruby object to prevent further modification. If you freeze an ActiveRecord and try to set an...
Rails comes with a Rake task notes that shows code comments that start with "TODO", "FIXME", or "OPTIMIZE".
In RSpec you can tag examples or example groups with any tags you like simply by saying describe ReportCreator, slow...
If you want to grow a Ruby Array, you might find out about #fill but it is not really what...
Code folding is a very useful feature to me. It gives me a quick overview over a file and keeps...
# Given the following models class Image < ActiveRecord::Base has_many :album_images has_many :albums, through: :album_images
To use a form model with devise, you can simply override #resource_class in a controller. A typical use case...
List of cloud services and SaaS with a free tier for developers or that are generally free for open source...
Fontawesome 4 ships with many useful CSS helper classes. Enlarge Icon Add fa-lg (133%), fa-2x, fa-3x, fa...
Fontawesome 4 has introduced new naming conventions that make it easy to retrieve variants of a given icon.
Starting from Rails 4.0, you can use a special form options helper called #collection_check_boxes. It behaves similar to...
When using threads, you must make your code thread-safe. This can be done by either locking (mutexes) all data...
This cheat sheet...
...aims at providing a quick reference to the most commonly used features in AngularJS.