Posts about Ruby
Ruby language tutorial
May 12, 2021 05:00 0 Comment Ruby
Ruby language tutorial, Ruby language tutorial, Who is fit to read this tutorial?, What you need to know before you read this tutorial:, Compile/execute ruby programs, Instance, Ruby language, tutorial, Ruby is an open source, object-oriented, object-oriented scripting language designed and developed in the mid-1990s by Hirosh
Introduction to Ruby
May 12, 2021 05:00 0 Comment Ruby
Introduction to Ruby, Introduction to Ruby, Ruby's features, The tools you need, What will you learn next?, Introduction to, Ruby, Ruby is a pure object-oriented programming language., It was founded in 1993 つ とゆきひろ Hiroshi Matsumoto, Japan., You www.ruby-la
Ruby environment
May 12, 2021 05:00 0 Comment Ruby
Ruby environment, Ruby environment, Local environment settings, Popular Ruby editor, Interactive Ruby (IRb), What will you learn next?, Ruby, environment, Local environment settings, If you want to set up an environment for the Ruby programming language, read this section. T, his chapt
Ruby Installation - Unix
May 12, 2021 05:00 0 Comment Ruby
Ruby Installation - Unix, Ruby Installation - Unix, Install Ruby automatically, Ruby, Installation - Unix, The steps for installing Ruby on unix machines are listed below., Note: Before, you install, make sure that you have root p
Ruby Installation - Windows
May 12, 2021 05:00 0 Comment Ruby
Ruby Installation - Windows, The steps to install Ruby on a Windows machine are listed below., Note: You, may have different available versions when you install., Under the Window
Ruby Chinese code
May 12, 2021 06:00 0 Comment Ruby
Ruby Chinese code, Ruby Chinese code, Instance, Ruby Chinese code, In the previous sections we learned how to output "Hello, World!" with Ruby, no problem in English, but if you output the Chinese c
Ruby command line options
May 12, 2021 06:00 0 Comment Ruby
Ruby command line options, Ruby command line options, Ruby, command line options, Ruby typically runs from the command line in the following way:, $ ruby [ options ] [.] [ programfile ] [ arguments ... ],
Ruby environment variables
May 12, 2021 06:00 0 Comment Ruby
Ruby environment variable, Ruby environment variable, Ruby, environment variable, Ruby interpreters use the following environment variables to control its behavior., The ENV object contains a list of all
Ruby syntax
May 12, 2021 06:00 0 Comment Ruby
Ruby syntax, Ruby syntax, Instance, White space in Ruby's program, The end of the line in the Ruby program, Ruby identifier, Keep the word, Here Document in Ruby, Ruby BEGIN statement, Ruby END statement, Ruby comments, Ruby, syntax, Let's write a simple Ruby program. A, ll Ruby file extensions are, .rb., So put the following source code in the test.rb file., Instance
Ruby data type
May 12, 2021 06:00 0 Comment Ruby
Ruby data type, Ruby data type, Numeric Type (Number), The type of string, Instance, Array, Instance, Hash type, Instance, The range type, Instance, Ruby data type, In this section, we'll introduce you to Ruby's basic data types., Ruby supports data types such as basic Number, String, Ranges, Symbo
Ruby classes and objects
May 12, 2021 06:00 0 Comment Ruby
Ruby classes and objects, Ruby classes and objects, Define the class in Ruby, The variable in the Ruby class, Instance, Use the new method to create objects in Ruby, Custom methods to create Ruby objects, A member function in a Ruby class, Simple case studies, Ruby, classes and objects, Ruby is the perfect object-oriented programming language., Features of object-oriented programming languages include:, Data
Ruby class case
May 12, 2021 06:00 0 Comment Ruby
Ruby class case, Ruby class case, Save and execute the code, Ruby, class case, Here's a Ruby class called Customer, and you'll declare two methods:, display_details: This, method is used to display the customer'
Ruby variable
May 12, 2021 06:00 0 Comment Ruby
Ruby variable, Ruby variable, Ruby global variable, Ruby instance variable, Ruby class variable, Ruby local variable, Ruby constant, Ruby pseudovaris, Ruby, variable, A variable is a storage location that holds any data that can be used by any program., Ruby supports five types of variables., General
Ruby operator
May 12, 2021 06:00 0 Comment Ruby
Ruby operator, Ruby operator, Ruby arithmetic operator, Ruby comparison operator, Ruby assignment operator, Ruby is assigned in parallel, Ruby bit operator, Ruby logical operator, Ruby 3 operator, Ruby range operator, Ruby defined? Operator, Usage 1, Usage 2, Usage 3, Usage 4, Ruby point operator "." and dual colon operator "::", The priority of the Ruby operator, Ruby, operator, Ruby supports a rich set of operators. M, ost operators are actually method calls., For example, a plus b is interpreted as a.plus (b)
Ruby comments
May 12, 2021 06:00 0 Comment Ruby
Ruby comments, Ruby comments, Instance, Ruby multi-line comments, Ruby, comments, Comments are comment lines within Ruby code that are ignored at run time., A single-line comment starts with the character , until the