Rubyists in Pune

Technorati: In top 50,000

2006-10-17T17:01:00.000+05:30

Today, the Learning Ruby site was ranked 48,577 by Technorati. This is good news especially since the site's been 'live' for only a month now. Rank 48,577 means that the number of blogs, plus one,...

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Socket Programming in Ruby

2006-10-16T13:01:00.000+05:30

I have just published an article that explains how one can do Socket Programming in Ruby. I had been searching the internet for some information on Socket Programming in Ruby, but had not been...

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The Ruby Edge

2006-10-16T07:35:00.000+05:30

The Ruby Edge is a new community driven web site for Ruby and Ruby On Rails news, tips, tricks, tutorials, books, and jobs. It's a Digg style site with user voting, commenting, and categorization of...

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Ruby Certification

2006-10-11T10:25:00.000+05:30

The JavaBlackBelt Certification Community has added a Ruby - Basic Certification exam. recently. The objective of this certfication is: To test knowledge of the language core syntax and OO concepts....

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Free Study Notes on Ruby

2006-10-09T10:59:00.000+05:30

I have created a small pdf version of my Ruby study notes. This can be downloaded from here. I am hopeful that it would be useful for students making a shift to Ruby / Rails and as always feedback...

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Free Web-based Ruby Course

2006-09-15T09:37:00.000+05:30

The free, web-based Ruby course being conducted at the PuneRuby forum has been a great success. Participants are from all over the world. What's nice about this course is that anyone can join anytime...

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Generate RSS Feed

2006-07-15T06:12:00.000+05:30

Neha Gupta has submitted this Ruby code snippet:xml.rss(:class => "Recipe", :version => "x.x", :xmlns => "www.codewalla.com") do xml.channel do @Recipes = Recipe.find_all xml.title("List of...

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July 2006 PuneRuby meet

2006-07-14T10:01:00.000+05:30

The PuneRuby meet is fixed for this Sunday, 16th July 2006 at 17.00 hrs. The venue, as usual, is SICSR, Model Colony, Pune. The speakers are: a. Shashank Date - President of Reevik Inc, Kansas, USA....

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Validation in Rails

2006-07-13T15:16:00.000+05:30

Let's try our hand at some validation. No participant should be allowed in the database if it has an empty text field or an invalid URL for the blog_url. So, where do we put the validation? The model...

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Adding a Missing Column

2006-07-13T05:11:00.000+05:30

Let's say we decide that our participants table needs an additional column for storing the participant's blog URL. This means we'll need to add a column to the database table, and we'll need to make...

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Configuring the Application

2006-07-12T13:22:00.000+05:30

Rails uses a flat file located in config/database.yml to store the information on how to connect to the database. This file should be edited to look like this:# MySQL (default setup). Versions 4.1...

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Rails and Database Tables

2006-07-11T11:10:00.000+05:30

We shall now create a web interface that lets us maintain a student database - create new student records, edit existing student records, delete unwanted ones, and so on. We'll develop this...

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Hello, PuneRuby from Rails

2006-07-09T14:26:00.000+05:30

Rails being an MVC framework, accepts incoming requests from a browser, decodes the request to find a controller, and calls an action method in that controller. The controller then invokes a...

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Verifying Rails Installation

2006-07-04T06:22:00.000+05:30

When you install the Rails framework, you also get a new command-line tool, rails, which is used to construct each new Rails application that you write. The rails command creates the right directory...

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Ruby on Rails Installation

2006-07-02T13:06:00.000+05:30

Armed with the elementary knowledge of Ruby gained so far, I am now going to explore Ruby on Rails. Rails is a full-stack, open-source web framework (support structure) in Ruby, that closely follows...

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Ruby Miscellanea

2006-07-02T10:34:00.000+05:30

This is a Work-In-Progress and will cover Ruby Miscellanea topics but relevant to Ruby on Rails. More on Constants:Constants defined within a class or module may be accessed anywhere within the class...

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Ruby FAQ

2006-07-01T08:34:00.000+05:30

What do you mean by "Ruby is a Dynamic programming language".In computer science, a dynamic programming language is a kind of programming language in which programs can change their structure as they...

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Writing our own Class

2006-06-30T10:42:00.000+05:30

A class is a combination of state (for example, the quantity and the product id) and methods that use the state. The Object is the parent class of all classes in Ruby. Its methods are therefore...

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Reading from / Writing to Text files

2006-06-29T08:24:00.000+05:30

Let's look at how we can read / write to a text file with the help of a simple program ReadWrite.rb. # Open and read from a text file File.open('Constructs.rb', 'r') do |f1| while line = f1.gets ...

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Own methods in Ruby

2006-06-29T06:16:00.000+05:30

Let's look at writing one's own methods in Ruby with the help of a simple program MyMethods.rb. # A simple method def hello puts 'Hello' end #use the method hello # Method with an argument - 1 def...

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Arrays in Ruby

2006-06-28T15:15:00.000+05:30

An array is just a list in your computer. Every slot in the list acts like a variable: you can see what object a particular slot points to, and you can make it point to a different object. Arrays are...

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Some Methods in Ruby

2006-06-28T10:09:00.000+05:30

Let us explore some methods in Ruby. So far we had seen a method like puts that writes to the screen. How does one accept user input? For this gets and chomp are useful. The example (Methods.rb)...

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Simple Constructs in Ruby

2006-06-28T06:46:00.000+05:30

Today, we shall explore some very simple constructs available in Ruby. The example below (Constructs.rb) illustrates the if else end construct.# if else end var = 5 if var > 4 puts "Variable is...

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Strings in Ruby

2006-06-27T10:35:00.000+05:30

Let us explore Strings in Ruby. We refer to a group of letters in a program as strings. Strings can have punctuation, digits, symbols, and spaces in them...more than just letters. '' does not have...

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Numbers in Ruby

2006-06-27T09:49:00.000+05:30

Let's play with Numbers. In Ruby, numbers without decimal points are called integers, and numbers with decimal points are usually called floating-point numbers or, more simply, floats. Here's the...

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