Ruby Pocket Reference

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• Ruby Pocket Reference
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  • 1. Ruby Pocket Reference
    • 1.1. Conventions Used in This Book
    • 1.2. Comments and Questions
    • 1.3. Acknowledgments
    • 1.4. Running Ruby
      • 1.4.1. Running the Ruby Interpreter
      • 1.4.2. Using a Shebang Line on Unix/Linux
      • 1.4.3. Associating File Types on Windows
    • 1.5. Reserved Words
    • 1.6. Operators
    • 1.7. Comments
    • 1.8. Numbers
    • 1.9. Variables
      • 1.9.1. Local Variables
      • 1.9.2. Instance Variables
      • 1.9.3. Class Variables
      • 1.9.4. Global Variables
      • 1.9.5. Constants
      • 1.9.6. Parallel Assignment of Variables
    • 1.10. Symbols
    • 1.11. Predefined Variables
    • 1.12. Pseudovariables
    • 1.13. Global Constants
    • 1.14. Ranges
    • 1.15. Methods
      • 1.15.1. Parentheses
      • 1.15.2. Return Values
      • 1.15.3. Method Name Conventions
      • 1.15.4. Default Arguments
      • 1.15.5. Variable Arguments
      • 1.15.6. Aliasing Methods
      • 1.15.7. Blocks
        • 1.15.7.1. The yield statement
      • 1.15.8. Procs
    • 1.16. Conditional Statements
      • 1.16.1. The if Statement
        • 1.16.1.1. Negation
        • 1.16.1.2. Multiple tests
        • 1.16.1.3. Statement modifier for if
        • 1.16.1.4. The else statement
        • 1.16.1.5. The elsif statement
      • 1.16.2. The unless Statement
        • 1.16.2.1. Statement modifier for unless
      • 1.16.3. The while Statement
        • 1.16.3.1. Statement modifier for while
      • 1.16.4. The until Statement
        • 1.16.4.1. Statement modifier for until
      • 1.16.5. The case Statement
      • 1.16.6. The for Loop
      • 1.16.7. The Ternary Operator
      • 1.16.8. Executing Code Before or After a Program
    • 1.17. Classes
      • 1.17.1. Instance Variables
      • 1.17.2. Accessors
      • 1.17.3. Class Variables
      • 1.17.4. Class Methods
      • 1.17.5. Singletons
      • 1.17.6. Inheritance
        • 1.17.6.1. Load path
      • 1.17.7. Public, Private, or Protected
      • 1.17.8. Modules and Mixins
    • 1.18. Files
      • 1.18.1. Creating a New File
      • 1.18.2. Opening an Existing File
      • 1.18.3. ARGV and ARGF
      • 1.18.4. Renaming and Deleting Files
      • 1.18.5. File Inquiries
      • 1.18.6. File Modes and Ownership
    • 1.19. The IO Class
    • 1.20. Exception Handling
      • 1.20.1. The rescue and ensure Clauses
      • 1.20.2. The raise Method
      • 1.20.3. The catch and throw Methods
    • 1.21. Object Class
      • 1.21.1. Object Instance Methods
    • 1.22. Kernel Module
      • 1.22.1.
        • 1.22.1.1. Sprintf flags and field types
    • 1.23. String Class
      • 1.23.1. Expression Substitution
      • 1.23.2. General Delimited Strings
      • 1.23.3. Here Documents
      • 1.23.4. Escape Characters
      • 1.23.5. Character Encoding
      • 1.23.6. Regular Expressions
      • 1.23.7. String Methods
        • 1.23.7.1. String class methods
        • 1.23.7.2. String instance methods
        • 1.23.7.3. String unpack directives
    • 1.24. Array Class
      • 1.24.1. Creating Arrays
      • 1.24.2. Array Class Methods
      • 1.24.3. Array Instance Methods
        • 1.24.3.1. Array pack directives
    • 1.25. Hash Class
      • 1.25.1. Creating Hashes
      • 1.25.2. Hash Class Methods
      • 1.25.3. Hash Instance Methods
    • 1.26. Time Formatting Directives
    • 1.27. Interactive Ruby (irb)
    • 1.28. Ruby Debugger
    • 1.29. Ruby Documentation
    • 1.30. RDoc Options
    • 1.31. RubyGems
    • 1.32. Rake
    • 1.33. Ruby Resources
    • 1.34. Glossary
  • About the Author
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