Ruby on Rails does a great job of parsing arrays in form data and populating a params hash, for quick and easy access in your controllers. For instance Gives you params[:item] # => ["item 1", "item 2"] Flask doesn't do this work f...

If you're working with SQLAlchemy, the best database driver for Python, and want to see only SQL syntax errors, you need to use the StatementError exception class. On it, is an attribute `orig`, that contains just the SQL syntax error... and not any data...

This is how to reshape an array using Python without Numpy. This is a fairly simple task but it can be a little confusing to wrap your head around. I ran into this problem while working with Flask, working with array from form fields. I wanted to us...

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 ...

To decorate an imported function in Python you would do something like this # in ./lib.py def function_name(): # function body And then in your program you could decorate it like this from lib import function_name function_name = decorat...

Here is how to get the string representation of a method in Python def my_method_name(): print "Hello World" my_method_name.__name__ # => 'my_method_name' Short and sweet!

This actually has more to do with Rails and/or Sinatra than it does with Heroku. You have to enable IFrame support in your headers explicitly. With Rails you can add this to your config/application.rb file config.action_dispatch.default_headers = ...

require 'yaml' # Nested YAML structure from something-nested.yml # # nested: # key: value # key_two: value_two # Procedural Approach to building a single Hash from nested YAML data structure. @yaml = YAML.load_file("something-nested...

How much memory is on my linux server? Run the free command free -g total used free shared buffers cached Mem: 2 1 0 0 0 1 -/+ buffers/cache: 0 1 Swap: ...

To turn comments off programmatically with a filter in Wordpress, you can set the post object's comment_status variable to "closed". Call the filter at some point after the post is loaded but before the comments are rendered. This is a hack, but I haven't...

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...

Using the Acts as Taggable On plugin to add categories to a model class, I wanted to override the to_param method and place the name attribute in the url. The plugin, installed as a gem, source shouldn't need to be hacked in order to accomplish this. The ...

Download First install mod_python for Apache and then restart/reload the server. apt-get install libapache2-mod-python /etc/init.d/apache2 force-reload apache2ctl restart Next grab the web.py framework from webpy.org. You can grab the tar or use easy_in...

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...