Build configs using Sencha Command

In process shell for introspecting a running Python process:

via GrahamDumpleton/wsgi-shell · GitHub.

JSON pretty-printer for Firefox: JSONovich :: Add-ons for Firefox

The main issue with non-blocking servers

Top for PostgreSQL:

PostgreSQL top (pg_top): Project Home Page

sudo apt-get install ptop

Quick Tip: CSS 100% Height

• Scoping ExtJS CSS
• Preventing CSS Conflicts with Ext4

Git undo, reset or revert?

Also useful:

git rm -r --cached *

That will recursively remove every file from the index (files staged for commit).

Why WordPress Asks for Connection Info

You can also add this to wp-config.php to get rid of the FTP prompt in case you have write permissions but WordPress does not understand it correctly:

define('FS_METHOD', 'direct');

How To Find Out To Which PPA Repository A Package Belongs To