Hamdi Kavak hamdikavak

Studying for a Tech Interview Sucks, so Here's a Cheat Sheet to Help

This list is meant to be a both a quick guide and reference for further research into these topics. It's basically a summary of that comp sci course you never took or forgot about, so there's no way it can cover everything in depth. It also will be available as a gist on Github for everyone to edit and add to.

Data Structure Basics

Array

Definition:

Stores data elements based on an sequential, most commonly 0 based, index.
Based on tuples from set theory.

	-- Enable GIS extension for Postgresql 9.1+
	CREATE EXTENSION postgis;
	CREATE EXTENSION postgis_topology;