Summary: A detailed guide on setting up an Ubuntu VirtualBox Virtual Machine, including basic configuration, Ubuntu tweaks, troubleshooting tips, and security measures.
Summary: How to make Ruby on Rails CookieStore more secure and sessions expirable.
Summary: Tips on how to optimize and secure a Wordpress blog.
Summary: A story of how to bypass a demo timer in a game by finding that the counter stored in a texture file.
Summary: About the importance of having a secure login page by using HTTPS, even if the rest of the site is HTTP.