Butterfly

wget: Download files with certain extension only

To download only files of type pdf from example.com,

wget -r --no-parent --accept "*.pdf" --level 2 http://example.com/

Beetle on carpet

Dragonfly

Extract Initials from Names using Python

>>> name = "Rizauddin Saian"
>>> ' '.join([n[0] + "." for n in name.split()])
'R. S.'

[nltk_data] Error loading all: HTTP Error 401: Authorization Required

If you get the following error, when downloading the corpus for NLTK,

[nltk_data] Error loading all: HTTP Error 401: Authorization Required

you need to update the current data server setting in "/usr/lib/python2.7/dist-packages/nltk/downloader.py" file on line 370 from

DEFAULT_URL = 'http://nltk.googlecode.com/svn/trunk/nltk_data/index.xml'

to

DEFAULT_URL = "http://nltk.github.com/nltk_data/"

How to hide the header of an embedded Google Drive (Docs) Spreadsheet as html

Replace

&widget=true

with

&chrome=false