Notes on computers, programming and all the stuff

Secret Hackers Rule #11: Hackers read manuals. Recently I've discovered that PostgreSQL supports setting NULL on column referenced to...

Lockless Inc publish a lot of interesting, advanced articles . There are some low-level things, algorithms, threading, and many more. Defin...

PHP is very funny language. Here we are simple class, without constructor: class Foo { } $foo = new Foo($random, $names, $are, $not, $dete...

Recently I did some experminets with n-grams indexes used to speed-up full text search in a plain SQL database. The results are really promi...

Function itoa implemented with SSE instructions is about 3 times faster then scalar CPU version. Read more .

New link in blogroll -- blog of prof. John Regehr: low level code, bugs in C compilers and beautiful photos.

Have you ever heard about "regular expression derivatives"? No? Me too. This is very interseting idea, that have pratical usage i...