Ruby Reload! Method in Non Rails IRB Sessions
I love the Rails reload! function when in the console. I need it in Irb. To get it back this is what I did. If you don't already have an .irbrc file in your home directory, just create it.
vim ~/.irbrc
or textmate if you prefer
mate ~/.irbrc
Add this...
Written by Sean Behan on 06/17/2012
Override to_param method in model to get pseudo permalinks without any work
There are a number of permalink plugins for Rails, http://www.seoonrails.com/even-better-looking-urls-with-permalink_fu, is a good one that I've used before. However, this involves informing the model class (has_permalink :title), adding a route, using t...
Written by Sean Behan on 06/17/2012
How to Extract all Images from a Webpage with Ruby
Here is a little ruby snippet that will download all pictures from a webpage.
Rather than using XPath, we are going to first reduce the source code to capture everything inside of quotes. Some websites use JSON w/in a script tag to lazy load images an...
Written by Sean Behan on 08/01/2018
Select Distinct in Rails with Active Record
User.find :all, :select => "DISTINCT occupation"
Written by Sean Behan on 06/17/2012
Rails 3 Config Auto Load Paths in Application.rb
In Rails 3 files in lib/ are no longer loaded by default. It's a snap to auto load these classes by adding the following line to config/application.rb
config.autoload_paths += %W(#{config.root}/lib)
This is commented out around line 16. Either rep...
Written by Sean Behan on 06/17/2012