Batman is an alternative Javascript MVC with a similar flavor as AngularJS, but a lot less features and geared towards...
When you call a method on an object, Ruby looks for the implementation of that method. It looks in the...
Browsers usually cache favicons. If you update the favicon of your web site and want all visitors to see the...
Make your custom web font available Add to ckeditor/config.js CKEDITOR.editorConfig = function(config) { config.contentsCss = [ '/assets/myCkeditorStyles.css', // any other file to encapsulate custom...
If you get this error while trying to resize an openstack instance: # nova resize fooinstance 16 --poll ==> /var/log/nova/nova-scheduler.log <==
There seems to be no way to use therubyracer -v '0.11.4' and libv8 -v '3.11.8.17' on OS X Mavericks.
When you do something like this in your code: def var_value @var ||= some_expensive_calculation end
We've since created ActiveType which has a restricted subset of Virtus' features. It might be enough for your needs...
In Ruby, classes and modules are called constants. This card explains how Ruby resolves the meaning of a constant.
CarrierWave attachments have two distinct methods #url and #path which appear to behave the same: document.file.url # => /storage/documents/4/letter.doc document.file.path # => /storage/documents/4/letter.doc
Before Rails 3.2.14, when supplying an invalid locale to I18n, it would fall back to its config.i18n.default_locale (which is...
Sometimes you need to monitor a connection from your machine to a specific, single host or network in order to...
Use protocol independent URLs whenever possible so that the browser will choose the protocol related to the protocol which the...
When I upgraded from 0.5.4 PDFKit deadlocked or crashed when an ApplicationController::RouteError occured. If this error happens only because...
Ubuntu 12.04 LTS x64, Ruby 1.8.7, Rails 2.13, PDFKit 0.5.4, Phusion Passenger Apache 2 I ran into this, when I...
Weighttp is threaded and might exhaust resources of an application better than ApacheBench or httperf. You need libev installed.
Whenever you create a table from a database migration, remember to add updated_at and created_at timestamps to that...
Today I ran into trouble installing therubyracer on Ruby 1.8. The installation failed with *** extconf.rb failed *** Could not create Makefile...
Rails has always included a scaffold script that generates a default controller implementation for you. Unfortunately that generated controller is...
You're better off using debugger-ruby_core_source: gem install debugger-ruby_core_source If you can't do...
It is good programming practice to Don't Repeat Yourself (or DRY). In Ruby on Rails we keep our code...
So you client has asked you to implement a row of buttons to like the URL on Facebook, Twitter and...
If you want to have routes that are only available in tests (e.g. for testing obscure redirects), you can use...
There may be reasons to change the locale of your Postgres cluster. A popular one is your development system's...