Ruby on Rails For Dummies
Language: English
Pages: 330
ISBN: 0470081201
Format: PDF / Kindle (mobi) / ePub
Quickly create Web sites with this poweful tool
Use this free and easy programming language for e-commerce sites and blogs
If you need to build Web and database applications quickly but you don't dream in computer code, take heart! Ruby on Rails was created for you, and this book will have you up and running in no time. The Ruby scripting language and the Rails framework let you create full-featured Web applications fast. It's even fun!
Discover how to
- Install and run Ruby and Rails
- Use the RadRails IDE
- Create a blog with Ruby
- Connect your Web site to a database
- Build a shopping cart
- Explore Ruby's syntax
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removed the blank space, my database software connected instantly. When I gave the talk at the conference, everything went well. You might think that the point of this story is “Don’t try to connect to a database. It’ll just make you miserable. Besides, you’ll spend a lot of money on a vacation, and you’ll miss seeing any of Ireland.” Well, that’s not the point of the story. The point is “Don’t travel with your family and your in-laws.” Or maybe the point of the story is “Don’t be discouraged.
two panes — a narrow pane on the left and a wider pane to the right. The pane on the left contains a list. The wider pane contains information about the MySQL server. 3. In the list pane (on the left) click Catalogs. A list of catalogs appears. At first, this list includes only two catalogs — mysql and test. (See Figure 3-2.) MySQL Administrator displays the words database, catalog, and schema. What’s the difference? At this point in the process, there’s no difference at all. A schema is the
the perspective Figure 4-7 shows the upper-left corner of the RadRails workbench. The Rails icon is part of the perspective bar. The Rails icon’s inlaid look indicates that the workbench is currently in the Rails perspective. To change to another perspective, do the following: Figure 4-7: Clicking the Open Perspective button. 1. Click the Open Perspective button, as shown in Figure 4-7. 2. In the resulting pop-up menu, look for the name of the perspective that you want to activate. In Figure
..................................................................................178 Programming with a Rails Model ...............................................................182 Using Active Record...........................................................................184 Requiring a gem..................................................................................185 Connecting to the database ..............................................................185 Displaying data
his wife, Mary Todd, would come up with the words “and,” “ago,” and “brought.” Not a good situation. In matters related to computing, the situation is even more complicated. The old days when a program was one monolithic chunk of code are gone forever. These days, you have a database in California, an accounting department in New York, and users all over the world. What’s the best way to partition the system? In the late 1970s, the Smalltalk team at Xerox PARC developed the Model/ View/Controller