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The content of the tag is evaluated as Ruby code and is expected to be a path pointing to a Ruby template file which is read, evaluated, and rendered. Same as <% + %> but file contents are simply rendered into the output. Treats the enclosed code as a block of Ruby code and (if necessary) appends a do keyword to the body of the tag.
Although, the Japanese version of the Ruby Reference Manual still remains in RD format. RD is designed to be written by hand and easily read in its raw form. Most end-users however experience it after it has been converted into HTML or man pages. RD can be embedded in Ruby code, and pure RD files usually have the extension .rd.
RDoc can produce usable documentation even if the target source code does not contain explicit comments as it will still parse the classes, modules, and methods, and list them in the generated API files. RDoc also provides the engine for creating Ruby ri data files, providing access to API information from the command line.
Ruby on Rails includes tools that make common development tasks easier "out-of-the-box", such as scaffolding that can automatically construct some of the models and views needed for a basic website. [48] Also included are WEBrick, a simple Ruby web server that is distributed with Ruby, and Rake, a build system, distributed as a gem. Together ...
Ruby is an interpreted, high-level, general-purpose programming language. It was designed with an emphasis on programming productivity and simplicity. In Ruby, everything is an object, including primitive data types. It was developed in the mid-1990s by Yukihiro "Matz" Matsumoto in Japan.
mruby includes a minimalistic virtual machine used to execute mruby bytecode, nicknamed RiteVM: $ mrbc test.rb $ mruby -b test.mrb The first command compiles Ruby code to mruby bytecode, creating a file called "test.mrb", which can then be executed by appending the "-b" flag to the normal interpreter arguments.
The goal of the project was to greatly reduce the execution time of Ruby programs. Since YARV has become the official Ruby interpreter for Ruby 1.9, it is also named KRI (Koichi's Ruby Interpreter), in the same vein as the original Ruby MRI , named in honor of Ruby's creator Yukihiro Matsumoto .
Only the contents prior to this line are executed, and the contents of the source file after this line are available as a file object: PACKAGE::DATA in Perl (e.g., main::DATA) and DATA in Ruby. As an inline file, these are semantically similar to here documents, though there can be only one per script.