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Articles related to hashes

Hashes - Ruby - About.com
Hashes are an integral part of Ruby. You will (probably) never see a non-trivial Ruby program that does not use Hashes extensively.
http://ruby.about.com/od/rubysbasicfeatures/ss/Hashes.htm
How to Create and Use Hashes in Ruby - About.com
This article explains and teaches how to use a associative arrays (hashes) as a way to store multiple variables in one data structure.
http://ruby.about.com/od/rubyfeatures/a/hashes.htm
Creating Hashes from Arrays - Ruby - About.com
How do you create hashes from tabular data? There are a few ways, but there's a way built into Ruby that fits onto a single line.
http://ruby.about.com/od/rubysbasicfeatures/ss/Creating-Hashes-From-Arrays.htm
Beginning Perl Tutorial - Data Types: Hashes - About Perl
Perl beginners hash tutorial - Learn to use the hash, or associative array in Perl.
http://perl.about.com/od/perltutorials/a/datatypehash.htm
Everything You Wanted To Know About Hashes - Ruby - About.com
Hashes are the bread and butter of Ruby data structures. For any unordered structure, you'll find hashes used everywhere. If it's ordered, you'll see arrays used, ...
http://ruby.about.com/od/rubysbasicfeatures/ss/Everything-You-Wanted-To-Know-About-Hashes.htm
Serialized Hashes - Ruby - About.com
Serialized Hashes. Storing your hash in a text file has numerous advantages. First, it can be edited without touching your code. Second, it can be sent over the  ...
http://ruby.about.com/od/tutorials/ss/Building-Hashes_3.htm
Cryptographic Hashes in Ruby - About.com
Generating cryptographic hashes in Ruby is quite easy. Ruby provides both a built in method and gives access to OpenSSL's hashing algorithms in most ...
http://ruby.about.com/od/advancedruby/ss/Cryptographic-Hashes-In-Ruby.htm
Optional Method Parameters with Hashes - Ruby - About.com
Using hashes to simulate optional named parameters in methods.
http://ruby.about.com/od/advancedruby/qt/opthash.htm
Building Hashes From Arrays - Ruby - About.com
It's often useful to build hashes from an array. This can be done easily using the Hash[ … ] syntax. It'll take an unlimited number of arguments (as long as it's an ...
http://ruby.about.com/od/tutorials/ss/Building-Hashes_5.htm
Hash Literals - Ruby - About.com
... can be both a fast way to retrieve an object based on a key, and a convenient key/value store. There's no doubt, hashes are one of the most used types in Ruby .
http://ruby.about.com/od/tutorials/ss/Building-Hashes_2.htm
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