How to Decorate Imported Libs in Python for Jinja Template Filters in Flask
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...
Written by Sean Behan on 03/04/2017
Using Grep To Find or Match All Links in an HTML Document
egrep -or "(http(s)?://){1}[^'\"]+" path/to/directory
You can further reduce to just return the images by piping again.
grep -r src views/ | egrep -o "(mailto|ftp|http(s)?://){1}[^'\"]+"
The -r flag is for a recursive directory scan....
Written by Sean Behan on 09/15/2013
How to Check if Your iOS or MacOS App is Connected to the Internet
Is your app connected to the internet? You can use this standalone class to check! There are no dependencies so you can copy/paste it into your project without needing to install another framework.
With this class it's as simple as running `Reachabili...
Written by Sean Behan on 06/08/2018
Extract Domain Names From Links in Text with Postgres and a Single SQL Query
This query and pattern will return urls in text all within a single SQL query.
select substring(column_name from '.*://([^/]*)') as domain_name from table_name;
And here it is in a larger query, say for retrieving page view counts for referrers.
...
Written by Sean Behan on 11/23/2013
Collection Select Helper and OnChange Event in Rails
Given a collection of Active Record objects, you may use the collection_select helper method to produce a select form field. You need to pass in a number of arguments to the helper function.
1) object - your model object used in the collection
2) method ...
Written by Sean Behan on 06/17/2012
