In Ruby Essential Training, expert instructor Kevin Skoglund teaches the fundamentals of Ruby, the popular object-oriented open-source programming language. Kevin begins by walking through the basic data types, demonstrating Ruby's control structures (loops, iterators, conditionals, and code blocks) and showcasing the elegant syntax structure of the language. Kevin explains variable scope and shows how to use methods, arguments, and return values to write efficient code. After covering the fundamentals, Kevin focuses on Ruby's object-oriented features. He shows how to define classes and explores OOP concepts, including instances, attributes, access control, and inheritance. Exercise files accompany the course.

Internetwork Expert’s CCIE Routing & Switching Core Knowledge Simulation is designed to prepare candidates for the newly added “open ended” section of the R&S CCIE Lab Exam. This new section of the exam, added in February 2009, consists of a handful of computer based questions in which candidates have 30 minutes to complete.

Are you an MCSA 2003 looking to administer Windows Server 2008? Then you need the fastest possible route to MCITP certification. Tim Warner’s Windows Server 2008 training gives you exactly that. 70-648 is a composite, multiple-choice exam, with questions drawn from two other Server 2008 tests: 70-640 and 70-642.

This study examines the results of U.S. assistance to the internal security forces of four repressive states: El Salvador, Uzbekistan, Afghanistan, and Pakistan. Efforts to improve the security, human rights, and accountability of security forces appear more likely to succeed in states transitioning from repressive to democratic systems. In addition, several factors are critical for success: the duration of assistance, viability of the justice system, and support and buy-in from the local government (including key ministries).
Price: $22.80