Stateless components are nice. They are simple to use and understand but can become tricky when you start thinking about data and how to manage state. In general, the consensus seems to be that if your UI is going to need state, then at least the componen...

Creating trigrams in Python is very simple trigrams = lambda a: zip(a, a[1:], a[2:]) trigrams(('a', 'b', 'c', 'd', 'e', 'f')) # => [('a', 'b', 'c'), ('b', 'c', 'd'), ('c', 'd', 'e'), ('d', 'e', 'f')] You can generalize this a little bit more ...

Rails will infer the controller you want to test from the class name of the test case. For example... class PeopleControllerTest < ActionController::TestCase end will test the app/controllers/people_controller.rb. To change this is trivial. Us...

If you use the link_to_function to replace content in a div with content from a partial, any javascript that you include in the partial will not be executed. It is instead included, but will do nothing. Obviously, this isn't the desired behavior. Why woul...

I was hoping to find a function in the Wordpress API, that goes something like this... the_child_categories("Vermont"); // print Burlington, Brattleboro... etc if this post has any child categories of Vermont But I could not. The result that I did ...

I could not find a listing of all thematic theme functions for Wordpress online. So the following is just a recursive grep of the thematic directory. grep -rh "function thematic_" * Each function needs to prepended with "thematic_" when adding as a actio...

Pass a fourth parameter to the mail() function with the header information. <?php $to = "jane@example.com"; $subject = "Hello World!"; $body = "This will be sent from email-addr@example.com"; $headers = "From: email-addr@example.com\r\nX-Mailer: php";...

Quick and dirty way to grab the users status messages without having to go through the twitter api (not having to authenticate that is). You can grab the RSS feed and indicate the number of statuses returned with the count param. I wrote this function for...

Link_to_function syntax for Haml template. Notice the "|" pipe which will allow for new lines in your code. = link_to_function( "Add Line Item") | {|page| page.insert_html :bottom, :invoice_line_items, | :partial => "line_item", :locals=>{:line_item=...