How to Split a Large File Into Smaller Files on OSX or Unix
Use the split command.
split -l 1000 name-of-file output/directory
You can set the number of lines (the "-l" flag) to split on and also the location of where the split files should be saved. Note, the output directory must already exists....
Written by Sean Behan on 10/08/2013
Onchange Event Fired from Select Field in Rails Form
In the view there is a regular Rails form and a javascript function that will be triggered when the country select field is changed. The javascript function will make an ajax request to the country_select url with the country code passed as the id variabl...
Written by Sean Behan on 06/17/2012
Email Obfuscation and Extraction from Text with Rails
There is a helper method for handling the obfuscation of email addresses in Rails.
mail_to "me@domain.com", "My email", :encode => "hex"
# => My email
If you want to then extract an email address(or all email addresses) from a block of text here is the...
Written by Sean Behan on 06/17/2012
Ruby Strftime Day Without the Leading Zero
%e # rather than %d
Time.now.strftime("%e")
Written by Sean Behan on 06/17/2012
Linux Disk Usage Command Recursive
It's short and sweet!
du -hs *
If you run this command it will tell you the sizes of all the files and folder in the current directory.
The `-h` flag is for human readable format and the `-s` will give you the size for each file or directory.
...
Written by Sean Behan on 03/07/2017
