Good article about ruby singleton classes.
Note: Making a reverse proxy with nginx is much more straightforward. A reverse proxy is a "man in the middle...
sslscan is a nice tool to show details about TLS/SSL connections: ~> sslscan some-host-at.makandra.de Testing SSL server some-host-at.makandra.de on port 443...
Capistrano 3 is a major rework of the framework and requires several adjustments to your deploy configuration files. The biggest...
When using Savon to connect a SOAP API, you may want to use Savon::SpecHelper to mock requests in your...
I was annoyed that RubyMine's autocompletion did not work via Ctrl+Space for me. In fact, it did not...
After adding a vdisk to an ESXi linux guest you will assert that you can't find a new device...
Datetime picker that offers: simple UI without a specific framework several of customization options allows custom date/time validations Localization happens...
Jasmine has a jasmine.clock() helper that you can use to travel through time and trigger setTimeout and setInterval callbacks:
You might wonder about this request in your test.log: Started GET "/__identify__" for 127.0.0.1 at 2015-04-29 18:00...
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).
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...
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...
# Given the following models class Image < ActiveRecord::Base has_many :album_images has_many :albums, through: :album_images
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...
When ending a Selenium test Capybara resets the browser state by closing the tab, clearing cookies, localStorage, etc.