Group items tagged ruby - softwaretest

First Ruby Program: Ruby Study Notes - Best Ruby Guide, Ruby Tutorial - 0 views

rubylearning.com/...first_ruby_program.html

lesson ruby-learning

shared by swan lin on 25 Sep 07 - Cached

Press the F8 key to open an output window
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Ctrl+Shift+I - this opens the Indentation Settings window
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All Ruby source files have the .rb file extension
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Foo class has name foo.rb
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puts (s in puts stands for string; puts really means put string)
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g) > simply writes onto the screen whatever comes after it,
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simply writes onto the screen whatever comes after it
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a. Parentheses are usually optional with a method call. These calls are all valid:foobarfoobar()foobar(a, b, c)foobar a, b, c
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everything from an integer to a string is considered to be an object
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To use a method, you need to put a dot after the object, and then append the method name.
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Some methods such as puts and gets are available everywhere and don't need to be associated with a specific object.
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provided by Ruby's Kernel module
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When you run a Ruby application, an object called main of class Object is automatically created. This object provides access to the Kernel methods.
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String literals are sequences of characters between single or double quotation marks
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I am using single quotes around Hello. ' is more efficient than "
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Ruby is an interpreted language
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Fun with Strings: Ruby Study Notes - Best Ruby Guide, Ruby Tutorial - 0 views

rubylearning.com/...fun_with_strings.html

lesson ruby-learning

shared by swan lin on 25 Sep 07 - Cached

does not have anything in it at all; we call that an empty string.
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n Ruby, strings are mutable. They can expand as needed, without using much time and memory. Ruby stores a string as a sequence of bytes.
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The command output string is sent to the operating system as a command to be executed
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...1 more annotation...
puts 'It\'s my Ruby' 
- swan lin on 25 Sep 07
  
  \ 的作用相当于一个 '
  
  <div class="cArrow"> </div><div class="cContentInner">\ 的作用相当于一个 '</div>
  
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Ruby Features: Ruby Study Notes - Best Ruby Guide, Ruby Tutorial - 0 views

rubylearning.com/...features.html

lesson ruby-learning

shared by swan lin on 25 Sep 07 - Cached

Free format
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Case sensitive
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Comments - Anything following an unquoted #, to the end of the line on which it appears, is ignored by the interpreter. Also, to facilitate large comment blocks, the ruby interpreter also ignores anything between a line starting with =begin and another line starting with =end
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Statement delimiters
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But in Ruby, all of these are true; in fact, everything is true except the reserved words false and nil.
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Ruby Mentor, Guide: Ruby Study Notes - Best Ruby Guide, Ruby Tutorial - 0 views

rubylearning.com/...ruby_guide.html

ruby ruby-learning

shared by swan lin on 25 Sep 07 - Cached

It is my observation that if one learns a programming language along with a group and with set targets every day; one learns faster.
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Numbers in Ruby: Ruby Study Notes - Best Ruby Guide, Ruby Tutorial - 0 views

rubylearning.com/...numbers_in_ruby.html

lesson ruby-learning

shared by swan lin on 25 Sep 07 - Cached

Ruby integers are objects of class Fixnum or Bignum. The Fixnum and Bignum classes represent integers of differing sizes. Both classes descend from Integer (and therefore Numeric). The floating-point numbers are objects of class Float, corresponding to the native architecture's double data type.
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Ruby Installation: Ruby Study Notes - Best Ruby Guide, Ruby Tutorial - 0 views

rubylearning.com/...ruby_installation.html

lesson ruby-learning

shared by swan lin on 25 Sep 07 - Cached

Yukihiro Matsumoto, commonly known as 'Matz' created the Ruby language in 1993
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Ruby From Other Languages - 0 views

www.ruby-lang.org/...ruby-from-other-languages

ruby selenium

shared by swan lin on 24 Sep 07 - Cached

an identifier starts with a capital letter, it is a constant
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starts with a dollar sign ($), it is a global variable
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starts with @, it is an instance variable
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starts with @@, it is a class variable.
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Method names
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start with capital letters
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Ruby doesn’t have keyword parameters,
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In Ruby, everything except nil and false is considered true.
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Singleton methods are per-object methods. They are only available on the Object you defined it on.
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Ruby Introduction: Ruby Study Notes - Best Ruby Guide, Ruby Tutorial - 0 views

rubylearning.com/...introduction.html

lesson ruby-learning

shared by swan lin on 25 Sep 07 - Cached

Ruby in Twenty Minutes - 0 views

www.ruby-lang.org/...quickstart

ruby selenium

shared by swan lin on 24 Sep 07 - Cached

puts is the basic command to print something out in Ruby.
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puts always returns nil, which is Ruby’s absolutely-positively-nothing value.
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In Ruby ** is the way you say “to the power of”
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floating-point number.
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LinuxDevCenter.com -- An Interview with the Creator of Ruby - 0 views

www.linuxdevcenter.com/...ruby.html

lesson ruby-learning

shared by swan lin on 25 Sep 07 - Cached

Ruby has been described as an absolutely pure object-oriented scripting language and a genuine attempt to combine the best of everything in the scripting world.
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Yukihiro Matsumoto (or "Matz" as he's known online) is the creator of Ruby
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rubylearning.com :: View topic - Important: Read This First - 0 views

rubylearning.com/...viewtopic.php

lesson ruby-learning

shared by swan lin on 25 Sep 07 - Cached

Objective: To get you up-to-speed in Core Ruby programming. Learning and asking questions as a group 'jump-starts' the Ruby learning process.
- swan lin on 16 Oct 07
  
  ruby lesson index
  
  <div class="cArrow"> </div><div class="cContentInner">ruby lesson index</div>
  
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Ruby in Twenty Minutes - 0 views

www.ruby-lang.org/...4

ruby selenium

shared by swan lin on 24 Sep 07 - Cached

In Ruby, anything on a line after a hash mark is a comment and is ignored by the interpreter
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__FILE__ is the magic variable that contains the name of the current file.
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$0 is the name of the file used to start the program.
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Ruby in Twenty Minutes - 0 views

www.ruby-lang.org/...3

ruby selenium

shared by swan lin on 24 Sep 07 - Cached

Ruby uses the good object-oriented approach of keeping data sort-of hidden away.
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Variables and Assignments: Ruby Study Notes - Best Ruby Guide, Ruby Tutorial - 0 views

rubylearning.com/...variables_and_assignment.html

lesson ruby-learning

shared by swan lin on 25 Sep 07 - Cached

Keywords can't be used as variable names. def is a keyword
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Ruby in Twenty Minutes - 0 views

www.ruby-lang.org/...2

ruby selenium

shared by swan lin on 24 Sep 07 - Cached

@name. This is an instance variable, and is available to all the methods of the class
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Ruby’s response => nil tells us that it knows we’re done defining the method
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h to take a name as a parameter.
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saying is “If the name isn’t supplied, use the default name of "World"”.
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rubylearning.com :: View topic - Lesson 1 - 0 views

www.rubylearning.com/...viewtopic.php

lesson ruby-learning

shared by swan lin on 25 Sep 07 - Cached

We shall be referring to the documentation here - http://www.ruby-doc.org/core/
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Constants begin with capital letters. Example PI, Length
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