Database datatype comparison sheet

Sometimes when writing automated SQL injection tools or exploit based on SQLi vulnerabilities you can fight with the different implementation of standard SQL datatype of DBMS.Reading a lot of documentation i wrote a  comparison sheet between datatypes used by Mysql, SQL Server, Oracle, DB2, SQLite, PostgreSQL, Sybase ASE, Firebird.You can download Adobe Acrobat [PDF] or [...]

Rails vs Django

Ruby on Rails and Django are two popular framework in web development.
Here you can found some comparison so you make your choice. I use RoR because is very fun.
Links:

Framework Performance
The Rails vs Django Paper
Catalyst vs Rails vs Django Cook off
Rails vs Django
Rails vs. Django: A Comparative Programming Exercise
A comparison of Django with Rails
A [...]

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