Trigrams, Bigrams and Ngrams in Python for Text Analysis
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
...
Written by Sean Behan on 03/06/2017
How to Use Named Variables with Postgres and PHP PDO Driver
You can write reusable scripts with Postgres by taking advantage of named variables.
A named variable starts with a `:` in your sql script. Here is an example
select :a_number
You can then use this statement with `psql` and the `--variable` fl...
Written by Sean Behan on 11/11/2017
Trouble Using Attr_Accessor in Rails Models and Forms
You might use the attr_accessible method to create getters and setters for a class that has attributes which don't map directly to corresponding fields in a database. For example let's take the scenario where you are processing a credit card transaction. ...
Written by Sean Behan on 06/17/2012
Setting Up Users, Permissions and Groups for SSH Access to a Shared Git Repository
If you are having permission problems using git, such as
error: insufficient permission for adding an object to repository database ./objects
There are a couple thing you can do to remedy the situation, before moving to a full on git server like gitosis....
Written by Sean Behan on 06/17/2012
Open Files in TextMate 2 with A Single Click
To open files with a single click from the file browser inside of TextMate 2 run this command from the terminal
defaults write com.macromates.TextMate.preview fileBrowserSingleClickToOpen -bool true
And to turn it off
defaults write com.macro...
Written by Sean Behan on 11/04/2013