Two job-hunting resources that changed my life:

This cover letter post on askamanger.com. A job interview guide written by Alison Green, who runs askamanager.

useful

Alison Green’s advice works. 

Alison Green got me all my interviews from 2012 onward, I am reasonably sure.

Alison Green is basically my life guide.

Mine too - she was my most visited website for the first few years of my working career, and I cannot emphasise enough how much her advice helped me navigate how to behave in a work environment. You name it, she has an answer for it. Definitely a life hack.