Ruby Tutorials

Getting started with Ruby on rails

  • 2008-10-03
  • Comments
  • Emiley J.
  • 727

There is a one-click Ruby installer. You can find it here: http://www.ruby-lang.org/en/downloads/. After you download it, double-click it in Windows Explorer to run it, and then follow the directions. After installing Ruby, close any command-line windows, open a new one, and then follow the directions above to check the installation.
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if . . . elsif . . . else in Ruby on rails

  • 2008-10-17
  • Comments
  • Brian Marick
  • 727

Here is Ruby’s if statement in all its glory, wrapped in a method:
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Methods in Ruby on rails

  • 2008-10-17
  • Comments
  • Brian Marick
  • 726

Ruby methods let you create new verbs (messages) in the Ruby lan- methods guage. It’s a bit confusing that two closely related ideas—messages and methods—have such similar names.
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Command-line Arguments in Ruby on rails

  • 2008-10-17
  • Comments
  • Brian Marick
  • 727

Command-line arguments are available as strings in the array named ARGV. For example, consider this command line:
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Naming conventions in Ruby on rails

  • 2008-10-17
  • Comments
  • Brian Marick
  • 727

A Ruby name may contain letters, numbers, and the underscore character (not a hyphen). Names can’t begin with a number, nor may they include spaces. Case matters: my_ship is not the same name as my_Ship.
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Prompts, Command Lines, Prompts, and irb in Ruby on rails

  • 2008-10-17
  • Comments
  • Balram Thakar
  • 726

There are two kinds of prompts command-line prompts and irb prompts. If you type a command meant for the command-line interpreter to irb (or vice versa), you’ll get confusing results. If what you see on your screen is nothing like what the book tells you to expect, check that you’re typing at the right prompt.
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Standard Library Packages in Ruby

  • 2009-03-03
  • Comments
  • Emiley J.
  • 728

This is a list of standard library packages in Ruby
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CGI class in Ruby

  • 2009-03-03
  • Comments
  • Jeeva
  • 726

CGI is a large class, providing several categories of methods, many of which are mixed in from other modules. Some of the documentation is in this class, some in the modules CGI::QueryExtension and CGI::HtmlExtension. CGI::Cookie handles cookies.
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Benchmark module in Ruby

  • 2009-03-03
  • Comments
  • Emiley J.
  • 726

The Benchmark module provides methods to measure and report the time used to execute Ruby code.
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date and time in Ruby

  • 2009-03-03
  • Comments
  • Tadayoshi Funaba
  • 725

In common usage, the date is reckoned in years since or before the Common Era (CE/BCE, also known as AD/BC), then as a month and day-of-the-month within the current year. This is known as the Civil Date, and abbreviated as civil in the Date class.
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Open and manipulate CSV files in Ruby

  • 2009-03-03
  • Comments
  • Vijay
  • 726

To Open a CSV formatted file for reading or writing use open(path, mode, fs = nil, rs = nil, &block)
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Archived Comments

1. Thank you for sharing your knowledge. =>
View Tutorial          By: Condel Batac at 2013-02-03 23:17:26

2. Hi,
I'm having a problem with the above cod

View Tutorial          By: sushanth at 2015-05-04 07:32:17

3. Thanks, this is exactly i am looking for. I need t
View Tutorial          By: VictorH at 2009-08-31 16:11:55

4. How to download a pdf file from the server and sav
View Tutorial          By: harsha at 2013-08-12 07:52:22

5. class Abc
{
public void display()
View Tutorial          By: Umapathi REddy at 2012-05-23 09:54:29

6. Nice explanation with appropriate example
View Tutorial          By: VL at 2009-04-09 06:17:37

7. Please send me working code and setup,,My mail id
View Tutorial          By: Karthik at 2012-03-30 19:56:35

8. i need some more basic programes in java
View Tutorial          By: nivin at 2012-10-19 09:14:27

9. it is Marvelous example.
View Tutorial          By: princevijayakumar at 2010-08-04 07:56:33

10. Thanks for the tutorial,

I have a q

View Tutorial          By: rajendra at 2013-04-29 15:37:28