Ruby Tutorials

Getting started with Ruby on rails

  • 2008-10-03
  • Comments
  • Emiley J.
  • 331

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
  • 331

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
  • 331

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
  • 331

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
  • 332

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
  • 331

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.
  • 331

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

  • 2009-03-03
  • Comments
  • Jeeva
  • 331

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.
  • 331

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
  • 331

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
  • 331

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. how we can store a pdf file into database

View Tutorial          By: neelima at 2010-03-10 23:46:52

2. hayz.
it soo hard to program,
but be

View Tutorial          By: bamz at 2008-09-22 20:31:23

3. import java.io.*;
import java.util.Stack;
View Tutorial          By: jack&jill at 2011-07-26 06:40:32

4. simple but accurate
View Tutorial          By: Githin Zacharia at 2011-08-10 06:08:32

5. sir, could you please tell me about minimum and ma
View Tutorial          By: priya dwivedi at 2012-01-04 15:01:03

6. Can u tell it can also use for connecting to oracl
View Tutorial          By: Ankur Jain at 2010-08-06 05:31:08

7. very very thankssssssssssssssss
View Tutorial          By: gowtham at 2010-07-31 22:58:36

8. how to use isset keyword with multidimensional arr
View Tutorial          By: mehul at 2015-01-19 23:47:02

9. We migrated to office365 this morning and i was ab
View Tutorial          By: Muthukumaran at 2012-09-01 08:37:27

10. I am able to iterate the list.Now i want to print
View Tutorial          By: akanksha at 2012-09-26 05:25:12