peteraritchie

CREATE

Clone an existing repository

$ git clone ssh://user@domain.com/repo.git

Create a new local repository

$ git init

LOCAL CHANGES

Kartones

PSQL

Magic words:

psql -U postgres

Some interesting flags (to see all, use -h or --help depending on your psql version):

• -E: will describe the underlaying queries of the \ commands (cool for learning!)
• -l: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)

qguv

#!/usr/bin/env python2
# Functional Python: reduce, map, filter, lambda, *unpacking


# REDUCE EXAMPLE
add = lambda *nums: reduce(lambda x, y: x + y, nums)

def also_add(*nums):
    '''Does the same thing as the lambda expression above.'''
    def add_two_numbers(x, y):