Lecture 18: Ruby on Rails ... 3. Introduction to Rails. “Agile Web Development
with Rails”. 2nd Ed, D. Thomas et ... For example, we might need to find the order.
Dec 6, 2005 ... ruby script/generate controller Controllername action1 action2 ruby script/
generate ... Page 3 ..... http://wiki.rubyonrails.com/rails/show/AvailableGenerators
... Development with Rails”, websites, tutorials, whytheluckystiff.net.
Page 3 ... Welcome. This tutorial is a first step on your path to learn Ruby on Rails
. ... This book is the foundation for a series of tutorials that accompany example ...
Page 3. • A model in a Ruby on Rails framework maps to a table in a ... A
controller is the component of Rails that responds .... Ruby on Rails tutorial book.
3.3.3 EmbeddedRuby . ..... Finally, since the Ruby on Rails Tutorial uses Rails 3,
..... Both the HTML and PDF editions of this book are full of links, both to.
Email: [email protected]. Ruby is a ... powerful addition to any developer's toolbox. ... Installing Ruby and Rail
Together, the Ruby language and the Ruby on Rails framework can become an
...... a single zip file, install it on any folder on your computer, play and learn, and.
3. Ventajas de Ruby. ▫ Simple: fácil de aprender y mantener. ▫ Poderoso. ▫ “
Language stays ... Ruby on Rails (http://www.rubyonrails.com/) es la excepción.
▫.
o Ability to debug performance issues, make changes, measure improvements. Desirable to have: o AWS including RDS, Lambd
Efficiently Creating Database Applications with Ruby On Rails. By: Kenton Born.
Abstract. This tutorial was created as a simplified, shorter version of the tutorial ...
Jun 28, 2006 - www1.ba-ravensburg.de/wi.html .... den Create-/Read-/Update- und Delete-Befehle in SQL-Befehle um, sendet die ... vices und Mailer. Weitere ...
хотите использовать Rails 3 с 1.9.x, переходите на 1.9.2 для гладкой работы.
Систему пакетов .... An Introduction to REST (video tutorial) by Joe Gregorio.
Jan Varwig 2009. (check http://jan.varwig.org for updates) v1.0. Ruby & Rails -.
Extremcrashkurs. Jan Varwig - 9elements ...
Ruby on RailsTM 3 Tutorial is what I used to switch back to Rails again. ... and
now the new Ruby on RailsTM 3 Tutorial that you hold in your hands (or PDF.
Ruby on Rails is a web application framework written in Ruby. ➢ ... (3).
Interchangeable Databases. ➢ Old Techniques: Once the website is build using
MySQL ... (For example, a .... Rails Wiki - http://wiki.rubyonrails.com/ ... %
20Presentation.pdf.
with a focus on XML interaction with the relational database Ruby on Rails (Rails
). First .... What follows is an example from Thomas & Hansson (2006) of an.
Page 1 of 3. MAKALAH. Ruby and Rail. Nama : Nur Taufiq Fajrul Muhammad. NIM : 13.02.8445. Dosen : Jaeni, S.Kom. Page 1 o
Apr 17, 2007 ... setting up a skeleton Rails application and using Ruby and Rails to .... tutorial. If
you want to know more, go to RubyForge and search around.
Page 3. def. Long running: > 2 ... technology: rewrite. Good (famous) examples: â Mac OS -> OS X. â Minix ->
For example, what works well in Fedora Core 6 may not work exactly the same
way in ... Remember that what I callа“Ruby”аin my book (Ruby on Rails For
Dummies) ... 3. Type the following command: yum install ruby. In response, the
yum ...
Ruby on Rails has some clever helper methods, for example .... 3. Now the
attacker will force the user's browser into using this session id (see number. 3 in
the ...
Content management, model-view-controller, web development, ruby on rails ... We have wide experience developing Ruby on Rails applications, including the ...
An eight-week in-depth program covering Web development using the Ruby on
Rails® framework. DePaul ... A thorough understanding of Ruby is essential to.
This paper reviews content management features in Ruby on Rails framework ... Content delivery ... OAuth: Initially a protocol for secure API authorization, OAuth.
Using Ruby on Rails with DICE. ○ Tables ... Simple worked example. ○ A real ...
3. What is Ruby on Rails? ○ A web application framework written in the ruby.
School of Informatics University of Edinburgh
An Introduction to Ruby on Rails Ken Dawson
●
What is Ruby on Rails?
●
The ruby language
●
Using Ruby on Rails with DICE
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Tables, objects and URLs
●
Setting up a web interface to a database
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Rails directory structure
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Simple worked example
●
●
A real application https://devproj.inf.ed.ac.uk/ References
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An Introduction to Ruby on Rails
2
What is Ruby on Rails? ●
●
A web application framework written in the ruby programming language It provides a way of quickly prototyping web applications that interface to a database and then supports the development of the application to greater levels of sophistication
●
Uses the Model-view-controller architecture
●
Open source software first released in July 2004
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An Introduction to Ruby on Rails
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The Ruby Language ●
●
●
Object oriented programming language Claimed to allow writing of compact, readable and maintainable code Syntax and semantics are 'intuitive and very clean'
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An Introduction to Ruby on Rails
4
Using Ruby on Rails with DICE To include the rails software use: #include To use mysql as the database use: #include To use apache1.3 (with kx509 authentication) use: #include November 2006
An Introduction to Ruby on Rails
5
Tables, Objects and URLs Rails automatically maps each URL on the web server that does not correspond to an actual file to a class and a method of that class (with any third element of the url being passed as the value of a variable :id) RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^(.*)$ dispatch.cgi [QSA,L] Database Table cabbages
November 2006
Class
Cabbage
URL
http://:/cabbage/
An Introduction to Ruby on Rails
6
Setting up a Web Interface to a Database ●
Set up the initial rails framework for your database (in our example database name is demo)
$ rails demo ●
●
●
Create the database and tables (using say mysql) Edit the rails database configuration file (demo/config/database.yml) to set database name, password and socket Make the public directory be the document root for the web server
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An Introduction to Ruby on Rails
7
Rails Directory Structure 1 /
public/
index.html
dispatch.cgi controllers/
apps/
script/
generate
server
models/
config/
database.yml environment.rb views/ layouts/
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An Introduction to Ruby on Rails
8
Simple Worked Example ●
Generate the rails model and controller files for the class 'Purchase'
Defining new class methods/actions Using the rails default definitions of standard actions – scaffold :
$ ruby script/generate scaffold Item November 2006
An Introduction to Ruby on Rails
9
Rails Directory Structure 2 /
public/
index.html
dispatch.cgi controllers/
c1_controller.rb c2_controller.rb November 2006
apps/
script/
generate
server
config/
database.yml environment.rb
models/
c1.rb
c2.rb
views/
layouts/
An Introduction to Ruby on Rails
c1/
c2/
10
Rails Directory Structure 3 /
public/
index.html
dispatch.cgi controllers/
apps/
script/
generate
config/
server
models/
views/ layouts/
c1_controller.rb c2_controller.rb
c1.rb
c1/
c2/
c2.rb c1.rb c2.rb
November 2006
database.yml environment.rb
An Introduction to Ruby on Rails
m1.rhtml m2.rhtml 11
A Real Application The web application for tracking the progress on development projects was developed using Ruby on Rails. The web site is at https://devproj.inf.ed.ac.uk It uses apache 1.3 as the web server and mysql 3.23 as the database server.
