I was playing with Django with Postgres backend, and I had little difficulty installing “psycopg2” the Python DB adapter for Postgres on my Mac OSX.

I’ve installed Postgres using Postgres.app for OSX which is straight forward and standard Mac app.

But when I tried installing “psycopg2” using “pip” (the python package manager) I got an error:

$ pip install psycopg2
:
Error: pg_config executable not found.
:

I just searched for “pg_config” in my system:

Rsnapshot is a backup solution for Unix machines including Linux and OSX, it supports many great features including full backups with the size of only incremental backup, it also support backing up local and remote machines.

PIL or Python Imaging Library is a library that allows you to manipulate images in Python programming language, trying to install “PIL” using “pip” tool won’t work perfectly so here is how to proper installation.

If you run Python shell in OSX you notice the auto completion functionality isn’t working, this is caused by Apple decision not to ship GNU readline and instead they use libedit (BSD license), to fix the problem I used the following snippet:

I am trying new way to fix the annoying “cannot change locale (UTF-8)” error, this error usually show when you login from your OSX to a Linux machine:

This guide for my own reference please don’t rely on it, for a better introduction check out Git Reference website.

Basic concept and terminologies, Git have 3 logical places:

• Working Area: normal directory where you edit your project.
• Staging Area: Think of the staging as your project state before you start your coding session, after each coding session you add your changes to staging area using git add filename or git add .
• Snapshot Area: After multiple coding sessions you would finish a logical change, e.g. adding commenting system in web site, next you need to store a snapshot of your project after these changes, you would do that with git commit

Setting the environment: