Ruby, Rails, Rails Plugins, Mac OS X, JavaScript

Ruby

• Hash#diff – helpful for determining the difference between two hashes.
• String#each_char – Yields a single-character string for each character in the string.
• Integer#even – helpful when adding zebra striping to views.
• Enumerable#index_by – Convert an enumerable to a hash.
• Enumerable#group_by – Collect an enumerable into sets, grouped by the result of a block. Is helpful for grouping elements of an Enumerable by an attribute or an arbitrary grouping.
• Synonyms vs Aliases
• Testing private methods in Ruby
• Keyword-based message sending (Ruby compared to Smalltalk and Objective-C)
• A crash course in Ruby
• main.rb – a class factory and dsl for generating command line programs real quick.
• Reading an Excel file with Ruby

Rails

• Ruby on Rails 101 Presentation (pdf) – Very comprehensive and informative
• Use JQuery on Rails
• Map IP address to latitude and longitude part 1 & part 2
• HasFinder - is an extension to ActiveRecord that makes it easier than ever to create custom find and count queries.
• Pagecaching Highly personalized web pages – making rails wicked fast.
• Rails has and belongs to many (habtm) gotcha – solving slow queries
• Using Paypal with Rails

Rails Plugins

• Lessjsroutes – Have you ever wanted to use named routes in your JavaScript?
• model_stubbing – create in-memory versions of models for testing.
• candy – a rails plugin which adds some ruby candy to your app.

Mac OS X

• Installing RMagick on Leopard
• Installing ruby, mysql in Leopard

JavaScript

• ProtoType vs JQuery – Your Momma’s so fat
• Scripteka – Site specializing in Prototype extension libraries and scripts
• Pseudo-custom events in Prototype 1.6
• Lightbox JS – is a simple, unobtrusive script used to overlay images on the current page.

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