Want to know the basics of generators in Python? Here's a well-presented video that'll do the trick!

It's high time I gave an endorsement of Cybrary! If you havent' already discovered it, sign up at Cybrary.it and get involved. Cybrary has some absolutely fantastic courses, presented by very competent and immensely qualified tutors, and all for the very reasonable price of... FREE! I'm sure you'll find the resources so useful that you'll want to donate... all donations will, amongst other things, keep the site going and allow them to generate more courses.

Examples of courses include: A+, Linux+, Network+, Security+, Cloud+, ITIL, Cryptography, SharePoint, Ethical Hacking, Computer Forensics, PMP, Virtualization Management, MCSA, CCNA, CISA, CASP, CISSP, CSSLP, Penetration Testing and Ethical Hacking (CEH), Social Engineering and Manipulation, Python for Security Professionals, Post Exploitation, Malware Analysis and Advanced Penetration Testing.

One course that is in the pipeline, and that I can't wait to come live, is Metasploit. Bring it on!

A simple Python script to grab the banner from any website, which you may well want to do as part of the enumeration phase of a pen test, for example.