Railscasts – Find Through Association
No need to pass foreign keys in find conditions, just do the find through a has_many association. http://railscasts.com/episodes/3-find-through-association
Programming Videos and Tutorials
No need to pass foreign keys in find conditions, just do the find through a has_many association. http://railscasts.com/episodes/3-find-through-association
Shorten simple finds considerably and improve readability by using the dynamic find_all_by and find_by methods. http://railscasts.com/episodes/2-dynamic-find-by-methods
Learn a quick way to improve performance. Just store the end result of an expensive command in an instance variable! http://railscasts.com/episodes/1-caching-with-instance-variables
Lecture by Professor Mehran Sahami for the Stanford Computer Science Department (CS106A). Professor Sahami introduces the next assignment (Name Surfer) to the class. He then demonstrates how to begin the assignment. CS106A is an Introduction to the engineering of computer applications emphasizing modern software engineering principles: object-oriented design, decomposition, encapsulation, …
Last year, Apple released MacRuby, an open source Ruby implementation written on top of the Objective-C runtime. Writing native MacOSX applications in Ruby without having to pay the cost of using a bridge is now a reality. This is an important milestone for Ruby, Apple and the Ruby community.Matt Aimonetti …
Silicon Valley JavaScript Meetup session from January 21, 2009, hosted at the Googleplex in Mountain View, CA. Nicholas Zakas talks about the performance differences between local and global variables (cross variables). Davey Waterson talks about ActiveRecord.js, an open source JavaScript library that implements the ActiveRecord data persistence and querying pattern …