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Ruby Language


63 Topics

11 requests active popular

Getting started with Ruby Language Introduction Topic

22
Hello World
13
Hello World with Shebang (Unix-like operating systems only)
4 more examples
0 improvement requests
0 proposed changes
edited Oct 26 at 4:54
+3

Hashes All Versions

78
Creating a hash
39
Setting Default Values
9 more examples
0 improvement requests
0 proposed changes
edited Nov 8 at 12:37
+38

Control Flow All Versions

23
if, elsif, else and end
16
Case statement
12 more examples
0 improvement requests
0 proposed changes
edited Nov 19 at 12:19
+19

Arrays All Versions

10
Create Array of Strings
6
Create Array of Symbols
18 more examples
0 improvement requests
0 proposed changes
edited Nov 8 at 12:55
+22

Exceptions All Versions

10
Handling multiple exceptions
9
Creating a custom exception type
3 more examples
0 improvement requests
0 proposed changes
edited Dec 3 at 18:54
+9

Inheritance All Versions

7
Subclasses
3
Multiple Inheritance
3 more examples
0 improvement requests
0 proposed changes
edited Dec 2 at 15:11
+6

Methods All Versions

6
Yielding to blocks
2
Default parameter
9 more examples
0 improvement requests
0 proposed changes
edited Oct 10 at 11:24
+8

Gem Usage All Versions

5
Installing ruby gems
3
Checking if a required gem is installed from within code
3 more examples
0 improvement requests
0 proposed changes
edited Dec 5 at 15:59
+3

Numbers All Versions

3
Converting a String to Integer
3
Creating an Integer
6 more examples
0 improvement requests
0 proposed changes
edited 1 hour ago
+4

Strings All Versions

4
Difference between single-quoted and double-quoted String literals
2
Creating a String
14 more examples
0 improvement requests
0 proposed changes
edited Nov 8 at 19:30
+7

Loading Source Files All Versions

2
Automatically loading source files
2
Loading files repeatedly
3 more examples
0 improvement requests
0 proposed changes
edited Oct 19 at 7:33

Design Patterns and Idioms in Ruby All Versions

4
Observer
3
Decorator Pattern
1 more example
0 improvement requests
0 proposed changes
edited Sep 21 at 14:57

Classes All Versions

5
Constructor
2
Access Levels
6 more examples
0 improvement requests
0 proposed changes
edited Oct 11 at 20:50
+11

Blocks and Procs and Lambdas 2.0–2.3

6
Lambdas
3
Objects as block arguments to methods
3 more examples
1 improvement request
0 proposed changes
edited Aug 4 at 9:28
+4

Iteration All Versions

3
Each
1
For iterator
4 more examples
0 improvement requests
0 proposed changes
edited Nov 23 at 12:54
+4

Modules All Versions

2
A simple mixin with include
2
Modules and Class Composition
2 more examples
0 improvement requests
0 proposed changes
edited Oct 19 at 14:51

Operators All Versions

5
Operator Precedence and Methods
1
Case equality operator (===)
1 more example
0 improvement requests
0 proposed changes
edited Nov 24 at 15:02

Symbols All Versions

2
Converting a String to Symbol
2
Converting a Symbol to String
1 more example
0 improvement requests
0 proposed changes
edited Aug 4 at 14:16
+3

Metaprogramming 1.9–2.3

4
Implementing "with" using instance evaluation
1
Defining methods dynamically
1 more example
0 improvement requests
0 proposed changes
edited Oct 15 at 4:05
+1

Variable Scope and Visibility All Versions

1
Class Variables
1
Global Variables
2 more examples
0 improvement requests
0 proposed changes
edited Aug 3 at 16:13
1 2 3 4

Introduction Topic

 Getting started with Ruby Language