∫ntegrabℓε ∂iﬀerentiαℓs · unorganised notes, code, and writings of random topics

Replace a Search Tree with Skiplist for Performance

February 26, 2012 blog code

Reading http://www.codeproject.com/Articles/27799/Stree-A-fast-std-map-and-std-set-replacement, learned about the paper Deterministic skip lists by Munro, Papadakis, and Sedgewick in 1992. [more]

Snapshot backup

February 20, 2012 blog system

This is a method of backup that I invented many years ago and used at workplace. I think it is quite useful because it abused the nature of hard links in UNIX. [more]

bash and TCP/UDP sockets

February 19, 2012 blog system

bash can do TCP and UDP sockets. They are represented as a special file in /dev, like [more]

Generating Random Password

February 18, 2012 blog system

Source: http://www.linuxstall.com/command-line-password-generator/ [more]

Hackintosh

February 17, 2012 blog system

Successfully built a Hackintosh. This is the notes: [more]