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Ruby Language


59 Topics

13 requests active popular

Getting started with Ruby Language Introduction Topic

13
Hello World
11
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

71
Creating a hash
39
Setting Default Values
9 more examples
0 improvement requests
0 proposed changes
edited Oct 16 at 9:39
+37

Control Flow All Versions

20
if, elsif, else and end
15
Case statement
12 more examples
0 improvement requests
0 proposed changes
edited Oct 4 at 13:44
+18

Arrays All Versions

9
Create Array of Strings
5
Create Array of Symbols
18 more examples
0 improvement requests
0 proposed changes
edited Oct 27 at 19:51
+21

Exceptions All Versions

9
Creating a custom exception type
9
Handling multiple exceptions
3 more examples
0 improvement requests
0 proposed changes
edited Oct 11 at 20:34
+7

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

Numbers All Versions

3
Converting a String to Integer
3
Creating an Integer
6 more examples
0 improvement requests
0 proposed changes
edited 2 days ago
+4

Gem Usage All Versions

4
Installing ruby gems
3
Checking if a required gem is installed from within code
2 more examples
0 improvement requests
0 proposed changes
edited Oct 15 at 17:51
+2

Inheritance All Versions

5
Subclasses
2
Multiple Inheritance
3 more examples
0 improvement requests
0 proposed changes
edited Sep 23 at 14:53
+4

Classes All Versions

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

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

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 Aug 29 at 20:55
+6

Design Patterns and Idioms in Ruby All Versions

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

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 Oct 19 at 14:43
+3

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

Operators All Versions

4
Operator Precedence and Methods
1
Case equality operator (===)
0 improvement requests
0 proposed changes
edited Aug 1 at 21:54

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

Singleton Class All Versions

1
Accessing Instance/Class Variables in Singleton Classes
1
Accessing Singleton Class
5 more examples
0 improvement requests
0 proposed changes
edited Oct 14 at 11:54
+1

Catching Exceptions with Begin / Rescue All Versions

1
A Basic Error Handling Block
1
Checking for Different Errors
4 more examples
0 improvement requests
0 proposed changes
edited Oct 11 at 16:38
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Introduction Topic

 Getting started with Ruby Language