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
How to Recover a Mistakenly Deleted Branch
Workflow
git checkout -b _new_branch_name
# do some work and commit changed
git checkout master
git branch -d _new_branch_name
# doh... i meant to merge first
Fortunately, you can easily recover from this mistake.
git reflog
395b1ea HEAD@{0}: checkout...
Written by Sean Behan on 06/17/2012
Set Cron Job to Run Every Five Minutes for a Ruby on Rails Rake Task
First off you'll need to edit your cron file. Normally, the cron files are kept under /etc/cron.daily or /etc/cron.hourly but we can just use the command line tool, crontab and pass it the -e flag, so that we can edit the file without any fuss.
sudo cron...
Written by Sean Behan on 06/17/2012
Updating Your Twitter Status with cURL and a Bash Function
I'm usually at the command line so I wrote a little a bash function so that i can type
tweet this is really neat but kind of pointless
and it will update my twitter status! some characters trip it up but in general it's useful for most of my tweets. The...
Written by Sean Behan on 06/17/2012
Rails Migrations and Auto Incrementing Migration Prefix Number
In your environment.rb file turn off timestamped migrations like so:
config.active_record.timestamped_migrations = false
Written by Sean Behan on 06/17/2012
