Web Science Stream

1. Web Science Stream Installing ROR

2. What is Instant Rails? Instant Rails is a one-stop Rails runtime solution containing Ruby, Rails, Apache, and MySQL, all pre-configured and ready to run. No installer, you simply drop it into the directory of your choice and run it. It does not modify your system environment.

3. Step 1 – Download and Unzip • Download Instant Rails from • http://rubyforge.org/projects/instantrails/ • Files > InstantRails-2.0-win.zip • Unzip the file into C:\InstantRails

4. Step 2 – Start railing • Double click on InstantRails.exe • Just click OK or Continue • You should be presented with the InstantRails console

5. Instant Rails Console Web Server Database

6. Updating Instant Rails • Opening a Ruby Console

7. Type: gem update --system

8. Type: gem update

9. Welcome to ROR

10. Let’s get our hands dirty! Create a ToDo application in 5 minutes ...

11. Steps (1) • Open a ruby console Instant Rails Menu > Rails Applications > Open Ruby Console • Where you want to create your application type rails todo This will create the whole directory structure

12. Steps (2) • Go into the todo dir cd todo • Load the server by typing ruby script/server 5. Access it through a normal browser by going to http://127.0.0.1:3000

13. So far so good ...

14. Steps (3) 6. Let’s use some scaffolding ... ruby script/generate scaffold Item name:stringdescription:text 7. Let’s make the database rake db:migrate 8. Let’s try it out http://localhost:3000/items

15. Here’s your 5 minutes ToDo list

16. Exercise Create a simple recipe database which contains the name of the recipe, the ingredients, the quantities and the description