Design

copilot_spec.pdf (application/pdf Object)

http://www.joelonsoftware.com/RandomStuff/copilot_spec.pdf Example specs from Joel / copilot /

The Facebook Data Center FAQ (Page 3) « Data Center Knowledge

http://www.datacenterknowledge.com/the-facebook-data-center-faq-page-3/ article about facebook infrastructure, the 3rd page contains links to different videos and presentations by facebook engineers

umbrUI - CSS3 checkbox + radio button

http://lab.simurai.com/css/umbrui/ cool CCS3 demo (currently works only on webkit-based browsers, i.e. Chrome and Safari)

[Flash Player P2P Propriotary P2P Media Delivery Protocol called ] RTMFP Overview

http://www.ietf.org/proceedings/10mar/slides/tsvarea-1.pdf “secret of ChatRoulette”. Describes details of RTMFP protocol, that Flash Player (from v.10.1 and above ) uses for media delivery. Protocol is closed/proprietary, encrypted, UDP-based, uses “forward” servers to establish direct session between the nodes. It is not clear if C&C; structure is distributed.

Appendix F - Personal observations on the reliability of the Shuttle by R. P. Feynman

http://science.ksc.nasa.gov/shuttle/missions/51-l/docs/rogers-commission/Appendix-F.txt famous and somewhat forgotten so called “minority report” by Richard Feynman on the aftermath of Challenger Shuttle disaster in 1986 that determent that management culture of NASA to responsible for the disaster, and not some particular technical failures. Starting quote:

Analysis from the Bottom Up | The Data Model That Nearly Killed Me

http://www.syleum.com/2009/03/17/healthcare-data-model/ tells about problems with IT in HealthCare and Obama’s electronic records plan from one person’s 1fst hand experience. Make user u read the comments. (allow 30-40 minutes )

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

http://sql.ru/forum/actualthread.aspx?bid=36&tid=552763&pg=2 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

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

http://sql.ru/forum/actualthread.aspx?tid=584799 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.

To BLOB or Not To BLOB: Large Object Storage in a Database or a Filesystem?

ftp://ftp.research.microsoft.com/pub/tr/TR-2006-45.pdf a paper from microsoft research comparing perfomance of 2 systems: metadata in db + files in fs vs. meatadata + files as blobs in db. Study uses MSSQL and NTFS. Datasets are in less than 1 GB size.

Cookies are for Closers » LinkedIn Architecture

http://cookiesareforclosers.com/blog/2008/06/linkedin-architecture interesing notes about LinkedIn architecture (JAVA + MYSQL + ORACLE)