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For 2023 - we are now fully retired from IT training.
We have made many, many friends over 25 years of teaching about Python, Tcl, Perl, PHP, Lua, Java, C and C++ - and MySQL, Linux and Solaris/SunOS too. Our training notes are now very much out of date, but due to upward compatability most of our examples remain operational and even relevant ad you are welcome to make us if them "as seen" and at your own risk.

Lisa and I (Graham) now live in what was our training centre in Melksham - happy to meet with former delegates here - but do check ahead before coming round. We are far from inactive - rather, enjoying the times that we are retired but still healthy enough in mind and body to be active!

I am also active in many other area and still look after a lot of web sites - you can find an index ((here))

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Ruby module R102
Hello Ruby Objects
Exercises, examples and other material relating to training module R102. This module is presented on Private Courses and Specially Run Courses only

Ruby is a true OO language - perhaps the first true OO scripting language where EVERYTHING is an object. We'll introduce you to Ruby, the OO concept, and how the two melt together to give you a fast and efficient way of developing flexible code in applications from system admin through web database frameworks, and also to easily upgrade and maintain them as your requirements grow.
Articles and tips on this subjectupdated
4673Separating detailed data code from the main application - Ruby example
In almost every appication, you'll be writing a number of pieces of code that use the same data type. It's tempting initially to write all the detail of the individual fields and attributes of the data into a main program - especially if the application's not very long and you're in a hurry:   fh ...
4581Thin application, thick objects - keep you main code simple. Example in Ruby
A suggestion. Write thick objects and thin applications. That's what I did in Ruby towards the end of this week's Ruby Course. Here's the complete application ...   stations = Station.factory("rstats2014.xyz")   stations.sort!   for k in (0...20) do     puts ...
4580Easy example - data record to object and object to data record mapping in Ruby
From the Ruby course just finished - an example of an application that reads through a data file, passes comments through unaltered, converts valid data lines into objects which it updates and writes back in place. The whole busisness of mapping data records to objects and objects back to data records ...
4369Ruby - the second rung of learning the language
When you're learning a programming language - or to program - your text / tutor will almost inevitably start with "Hello World" - a program to display a string of text. That's chosen as the first example as it shows you how to enter and store you program, it shows you any steps necessary to convert ...
4009Clear, concise examples - Ruby classes and objects.
Finding clear, concise examples of how to perform a simple programming task can be surprisingly difficult. "I just want a [Rails] model that doesn't actually use a database table" was an example yesterday. Such shouldn't be difficult, but authors tend to write a simple example and then decide "While ...
2603Ruby objects - a primer
If you're new to Ruby, but familiar with Object Oriented Programming, you might like to take a quick look at the example that I wrote during yesterday's course which shows how all the major OO elements are implemented in Ruby. The sample source is [here]. Here are some of the key facts: • Classes ...
2287Learning to program in Ruby - examples of the programming basics
We so often overlook the basics of programming, and yet they are so fundamental to good code - understanding things like how widely variables can be seen (also known as variable scope), what happens when you divide two numbers (do you get a decimal result or is the remainder thrown away), and how do ...
Examples from our training material
beast.rb   Sample class in its own file
d2.10   Define class, create and use instances of it
d2.11   Use of 'self' in Ruby
d2.12   Calling program to access class in another file
f1   Moving detail into objects - before
f2   Moving detail into objects - after
hit.rb   A class showing each variable scope in use
nother   Operators as methods - polymorphism in *
obrub1.rb   Define and use a class
obrub4.rb   Application to call in group of classes from a library file
shapes.rb   Object Orientation in Ruby - Training Example
stations.rb   thick class, thin application example
trainclass4.rb   Definition of a train - to be shared between all railway applications
yesyes   data record to object and object to data record mapping
Background information
Some modules are available for download as a sample of our material or under an Open Training Notes License for free download from [here].
Topics covered in this module
A first piece of working Ruby.
What is object orientation and why is it important?
Introduction to the terminology of objects.
Complete learning
If you are looking for a complete course and not just a information on a single subject, visit our Listing and schedule page.

Well House Consultants specialise in training courses in Ruby, Lua, Python, Perl, PHP, and MySQL. We run Private Courses throughout the UK (and beyond for longer courses), and Public Courses at our training centre in Melksham, Wiltshire, England. It's surprisingly cost effective to come on our public courses - even if you live in a different country or continent to us.

We have a technical library of over 700 books on the subjects on which we teach. These books are available for reference at our training centre.

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