Archive for August, 2008

[russian] Библиотеки в интернете. | List of Russian Internet Libraries

Wednesday, August 27th, 2008

“relaxed” copyright laws have some advantages in a form of online libraries. U can read/download a lot of materials, extermely useful for research. Texts usually available as plain text files, no pdf or other format.

Memory Translation and Segmentation : Gustavo Duarte

Tuesday, August 26th, 2008

very goom sum-up about memory mechanism in modern x86 machines. For more elabored and detailed info

CPU Rings, Privilege, and Protection : Gustavo Duarte

Tuesday, August 26th, 2008

An exellent introduction article about x86 cpus protection mechanism. (run instruction in “rings”) good read.

VOIP service from Verizon] Verizon Partner Solutions | SIP Gateway Service

Monday, August 25th, 2008

don’t know if that’s any good. I.e. quality/features i think should be just fine, but pricing + support – I dunno.

Адрес Известен :ь)

Monday, August 25th, 2008

если вам сказали куда идти при этом указав весьма распостраненный адрес … не печальтесь, может вам просто посоветовали посетит Перу, то

[russian] Юзеры – Друзья. Какая связь? / Проектирование БД : Форум на SQL.RU || User – Friends relationship : Database design, forum SQL.ru

Friday, August 22nd, 2008

design pattern for friends/users, i.e. how to organize user-friend relationship. patters suggest that you need to make 2 tables, i.e freindship and friendship:user

VoIP – SIP and RTP stacks, softphones, user agents, STUN – a comparison

Monday, August 18th, 2008

comparation of SIP client libraries — not much of a comparation but a list of available SIP stacks with short notes

BLOB, iBatis & PostgreSql 8.1 – dBforums [large objects vs bytea]

Sunday, August 17th, 2008

sane notes about storing binary data in Postgres. Basically bytea is ASCII representaion of bynary data wich requires decoding / escaping (read: slow) and large objects a kind of ok, but not trigger-based replication compartable

An Illustrated Guide to the Kaminsky DNS Vulnerability

Monday, August 11th, 2008

exellent explanation for the much-hyped Dan Kaminsky DNS vuln. This is for people for whom word “DNS” sounds like it’s in elvish

[russian] Как гарантировать наличие атрибута (циклическая зависимость) / Проектирование БД : Форум на SQL.RU | about cyclic references / database design

Monday, August 11th, 2008

good discussion about cyclic references. Basically the main point is that if you have a question “how do I implement cyclic fererence?” — then there is something wrong, 99% that it is so because ur understaning of problem domain is wrong.