Archive for August, 2010

Help! Linux ate my RAM!

Tuesday, August 31st, 2010

this is funny (web page that shows to folks that are new to linux where [i.e. disk cache] the ram goes )

[PDF] "1000 000 000 files: Scalability limits in Linux file systems" linuxcon2010, Ric Wheeler / Redhat

Wednesday, August 25th, 2010

PDF slides that show what happens if you create a file system with one billion (10**9 ) files

Cowboy Frank’s Webcam Reviews

Friday, August 20th, 2010

read on on this site in case you are looking to by webcam for skype or something. Some webcams are better than others, so it’s worth to read on for 10 min .

Monitoring Cloud Computing Performance with PRTG: CPU, Disk, Memory Speed Comparison of Amazon EC2 Instance Types – From The CEO’s Blog

Thursday, August 19th, 2010

Confirms what was noted elsewhere: EC2 small instance is not worth the money, it performs several times slower than medium or large instances

Rackspace Cloud Servers versus Amazon EC2: Performance Analysis

Thursday, August 19th, 2010

Testing amazon and rackspace instances: kernel compile time and “how much it costs to compile kernel on $instance”, and IO tests using IOzone — in short: rackspace is cheaper/better, about 2x on average across the board. Note about “m1.small” i.e. s…

GXT on GWT (on Eclipse) – quantschool

Tuesday, August 17th, 2010

Tutorial that shows how to use Eclipse (3.5/3.6) and create a sample project for a web application based on GWT (google web toolkit) and GXT (a mix of Ext JS javascript framework and google web toolkit)

JavaScript Scripting Guide for QuickTime: QuickTime and JavaScript

Friday, August 13th, 2010

i.e. how to control QuickTime Plugin via JavaScript

Thursday, August 12th, 2010

SIP Firmware for Polycom SoundPoint IP Phones and conf. devices

[RUS] Обзор алгоритмов кластеризации данных / Data Mining / Хабрахабр

Wednesday, August 11th, 2010

short article [in Russian ] that covers basics for data clusterization (sorting vectors into groups, aka clusters)

Laurie Santos: How Monkeys Mirror Human Irrationality | This Scientific Life

Tuesday, August 10th, 2010

Thinking in relative terms and “risk aversion” bias — TED presentation that shows that monkeys do that the same irrational biases that we humans do. (interesting, watch this if you can spare 20 min)