A few weeks back I started noticing some performance
issues on my IDE and decided to investigate a bit more
on it: turns out that they recommended to 1) upgrade to
the latest JDK (7) and stop using OpenJDK, as it has
some performance gotchas.
It contains 160+ pages of content dedicated to securing web applications and improving your security awareness when building
web apps, with chapters ranging from explaining how to secure HTTP cookies with the right flags to understanding why it is
important to consider joining a bug bounty program.