JavaScript: The Definitive Guide
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Black Hat Python: Python Programming for Hackers and Pentesters
Justin Seitz
Web Crawling and Data Mining With Apache Nutch
Zakir Laliwala & Abdulbasit Fazalmehmod Shaikh
Python Pocket Reference: Python in Your Pocket
Mark Lutz
Getting Started With Memcached
Ahmed Soliman
Getting Started With Varnish Cache: Accelerate Your Web Applications
Thijs Feryn