PostgreSQL uses the C library's locale facilities for sorting strings: First, all the letters are compared, ignoring spaces and...
The way that Javascript schedules timeouts and promise callbacks is more complicated than you think. This can be the reason...
As your Rails project grows, you will accumulate a number of small patches. These will usually fix a bug in...
to create a Gallery that has a name and has_many :images, which in turn have a...
UI sortable helps reordering items with drag 'n drop. It works quite fine. Proven configuration for sorting table rows
TL;DR If you want to support most browsers, then don't exceed 50 cookies per domain, and don't...
Spreewald gives you the within meta step that will constrain page inspection to a given scope. Unfortunately, this does not...
When you find yourself in the situation that you would like to define a custom matcher in your specs, but...
To delay your entire Jasmine test suite until the DOM is ready, add the following: beforeAll(function(done) { $(done); });
fake_stripe spins up a local server that acts like Stripe’s and also serves a fake version of Stripe.js...
When you run rake db:rollback and nothing happens, you are probably missing the latest migration file (or have not...
ActiveRecord offers an explain method similar to using EXPLAIN SQL statements on the database. However, this approach will explain all...
When dealing with time zones in Rails, there is one key fact to keep in mind: Rails has configurable time...
Expecting a primitive value as an argument to a method invocation is easy: expect(object).to receive(:foo).with('arg1...
Cucumber's docstrings let you add long strings to a step like this: # foo.feature Given this text: """ First line
OAuth requires a set of params to be carried along requests, among which a nonce. Some libraries pass these along...
You can use JavaScript to get or set cookie values on the client. Using the vanilla JavaScript API
jQuery's deferred objects behave somewhat like standard promises, but not really. One of many subtle differences is that there...
The NestedHash class allows you to read and write hashes of any depth. Examples: hash = {} NestedHash.write hash, 'a', 'b', 'c...
RSpec provides a nice diff when certain matchers fail. Here is an example where this diff is helpful while comparing...
This will give the target site full access to your Javascript environment through window.opener, if the target is on the...
Don't write resources :people, :concerns => :trashable Write resources :people do concerns :trashable end Why Writing a controller...
If you want to configure your nginx to drop connections to a specific location, you can do so by responding...
TL;DR There are three dimensions you can control when scoping routes: path helpers, URL segments, and controller/view module.