Karol

If anyone want to be sure that Google respects 503 status code, you should check this link http://googlewebmastercentral.blogspot.com/2006/08/all-about-googlebot.html

In Bash ctrl+x+e opens default editor (like vim) where you can prepare your command before executing.

Pretty clever:
http://codepad.org/UxoUp1E9

Watching 2 hours and 30 m movie about a text editor may be annoying, imo better idea is to look to the source, which is an article by Jeffrey Way Perfect Workflow in Sublime Text 2 - http://net.tutsplus.com/articles/news/perfect-workflow-in-sublime-text-free-course/

Mostly yes, but are you always sure about those types? Look at the first example, is it logical that new Number(10) !== 10 ? IMO not rly. That's why use of === is another best practice in JS.

It's also useful while working with cron.