Ruby on Rails For Dummies

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ISBN: 9780470081204 | 0470081201
Cover: Paperback
Copyright: 1/10/2007

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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

Introduction	p. 1
How to Use This Book	p. 1
Conventions Used in This Book	p. 2
What You Don't Have to Read	p. 2
Foolish Assumptions	p. 3
How This Book Is Organized	p. 4
Nuts and Bolts	p. 4
Creating Code	p. 4
Real Rails	p. 5
The Part of Tens	p. 5
Icons Used in This Book	p. 5
Where to Go from Here	p. 6
Nuts and Bolts	p. 7
Welcome to the World of Ruby on Rails	p. 9
The Software Development Process	p. 11
Agility	p. 12
Databases and the World Wide Web	p. 12
Throwing frameworks at the problem	p. 13
Along Comes Ruby on Rails	p. 13
Why Ruby?	p. 14
Why Rails?	p. 17
Let's Get Going	p. 19
Installing the Software	p. 21
Six Pieces of Software	p. 22
Installing the Ruby Interpreter	p. 22
Testing the Ruby installation	p. 24
Troubleshooting the Ruby installation	p. 25
Installing Rails	p. 26
Installing Java	p. 27
Installing RadRails	p. 28
Creating a RadRails shortcut on your desktop	p. 30
Testing RadRails	p. 31
Troubleshooting the RadRails installation	p. 33
Configuring RadRails	p. 33
Installing MySQL	p. 36
Installing MySQL Administrator	p. 40
Testing your MySQL installation	p. 40
Troubleshooting your database connection	p. 41
Details on Rails	p. 47
Creating a Database	p. 48
Creating a New Ruby on Rails Project	p. 50
Running Your New Rails Project (Already!)	p. 53
Creating a Model	p. 55
Creating a Database Table	p. 58
Creating a Scaffold	p. 61
Using the New Web Interface	p. 63
Using RadRails	p. 67
Words, Words, Words	p. 67
What's inside a view or an editor?	p. 69
Understanding the big picture	p. 71
Some Common RadRails Tasks	p. 72
Changing the perspective	p. 72
Showing a view	p. 74
Using a wizard to create something	p. 76
Using the Generators view to create something	p. 78
Editing an existing file	p. 80
Running a Ruby program	p. 81
Visiting a URL	p. 82
Customizing RadRails	p. 83
Troubleshooting the Run of a Ruby Program	p. 84
Does your Ruby code have a syntax error?	p. 85
Does your Ruby code have a semantic error?	p. 85
Did you tell RadRails where to find a Ruby interpreter?	p. 86
Did you point RadRails to the correct location of the Ruby interpreter?	p. 86
Creating Code	p. 87
Ruby One's Day	p. 89
Hello, Again	p. 90
A glimpse of a Ruby method	p. 90
Variables and values	p. 91
Ruby strings	p. 92
Working with Values	p. 93
Displaying values	p. 94
Assigning values	p. 94
Going with the Flow	p. 95
Getting input from the keyboard	p. 96
Using keywords	p. 97
Flowing the other way	p. 98
Going with the glow (or glowing with the flow)	p. 98
Bunches of Things	p. 100
Arrays	p. 100
Hashes	p. 102
Using Methods	p. 104
Methods, methods everywhere	p. 106
Please pass the hash	p. 108
What's the symbolism?	p. 109
Ruby Two's Day	p. 113
Objects and Classes	p. 113
Creating objects	p. 115
Adding another file's code to your own file's code	p. 115
Classes, objects, and database tables	p. 116
Objects Have Methods	p. 117
Ruby's handy iterators	p. 118
Finding iterators where you least expect them	p. 121
Enhancing Classes	p. 122
Open classes	p. 123
Being selfish	p. 123
Defining subclasses	p. 124
Creating a Module	p. 127
Weaving the Web	p. 129
The Working of the Web	p. 129
The Web developer's point of view	p. 130
The Hypertext Transfer Protocol	p. 131
Web pages	p. 132
Your HTML Starter Kit	p. 134
Start tags	p. 136
End tags, empty tags, and paired tags	p. 137
If it feels good, do it	p. 138
Entities	p. 138
Comments and declarations	p. 139
HTML Elements	p. 140
Displaying images	p. 140
Using tables to align things	p. 142
Creating an HTML form	p. 144
Using form elements	p. 147
Real Rails	p. 153
Action-Packed Adventures	p. 155
Model/View/Controller	p. 155
Creating a controller and a view	p. 157
Why you shouldn't rename files	p. 159
The Rails Way of Life	p. 161
Convention over configuration	p. 161
Don't Repeat Yourself (DRY)	p. 162
Writing What You Want Where You Want It	p. 163
Sending text to the console	p. 163
The art of Web server redirection	p. 165
Making the controller do the work	p. 166
The Controller Shakes Hands with the View	p. 167
Using parameters	p. 169
Getting parameters from a form	p. 172
Dividing the Work of the View	p. 173
Creating and using a partial (a partial what?)	p. 175
A view's little helper	p. 176
Some Things You Can Do with Models	p. 177
A Web Site for Photos	p. 178
Programming with a Rails Model	p. 182
Using Active Record	p. 184
Requiring a gem	p. 185
Connecting to the database	p. 185
Displaying data	p. 187
Modifying a Database	p. 189
More Rails Programming Tricks	p. 192
Deleting rows	p. 193
Adding rows	p. 194
Finding rows	p. 196
Using SQL	p. 198
Using id numbers	p. 199
I've Been Working on the Rails Code	p. 201
Displaying an Image	p. 201
Creating code	p. 202
Understanding the code	p. 204
Passing photos from place to place	p. 207
Importing Files	p. 214
Importing files the easy way	p. 214
Importing files the geeky way	p. 216
Image Is Everything	p. 219
Enhancing Your Project's Code	p. 220
Follow the book's longest step list	p. 220
Know the flow	p. 226
Understanding the Enhanced Code	p. 228
Creating a database table	p. 228
Moving on to more code	p. 228
Creating a file input field	p. 228
Creating a Photo instance	p. 230
Reading the image bits	p. 230
Composing an image tag	p. 231
Sending image bits to the visitor's browser	p. 232
Whew!	p. 232
More Model Magic	p. 233
Blogging Your Dreams	p. 233
Validating the Visitor's Input	p. 235
Adding Comments	p. 237
Adding Keywords	p. 243
Connecting dreams with keywords	p. 244
How the Rails code does what it does	p. 251
Cool Things on Rails	p. 257
Using Ajax	p. 257
Refresh part of a page, not the entire page	p. 258
Incorporating Ajax into a Rails page	p. 258
Sending E-Mail	p. 263
Don't blame me if it doesn't work	p. 263
Rails mail	p. 264
Creating and Consuming Web Services	p. 269
How to avoid screen scraping	p. 270
Building a Web service using Ruby on Rails	p. 271
The Part of Tens	p. 277
Ten (Times Two) Great Web Sites	p. 279
Ten Ruby Sites	p. 279
Documentation	p. 279
Open source Ruby projects	p. 280
Starting points for Ruby resources	p. 280
Discussing Ruby	p. 280
A weekly challenge	p. 280
Add-ons for Ruby	p. 281
Meet people	p. 281
Write Ruby code on a desert island	p. 281
How to be multilingual	p. 281
Agile Development	p. 282
Ten Rails Sites	p. 282
Straight from the source's mouth	p. 282
Find a Web host	p. 282
Get hooked on RadRails	p. 283
Documentation	p. 283
Discuss Ruby on Rails	p. 283
A Rails-friendly operating system	p. 283
Read the latest news	p. 284
Steal some code	p. 284
Brush up on SQL	p. 284
The seminal Ajax document	p. 284
Ten Features That Set Ruby Apart	p. 285
Hashes	p. 285
Open Classes	p. 285
Duck Typing	p. 286
Modifiers	p. 287
Blocks	p. 287
Everything Is an Object	p. 288
Objects Might Have Their Own Methods	p. 289
Mixins	p. 289
Built-In Unit Testing	p. 290
Built-In Reflection	p. 291
Ten Pivotal Ruby on Rails Concepts	p. 293
Don't Repeat Yourself (DRY)	p. 293
Convention over Configuration	p. 294
Model/View/Controller (MVC)	p. 294
Agile Development	p. 294
Dynamic Discovery of a Database's Characteristics	p. 295
Object-Relational Mapping (ORM)	p. 295
Using Generators	p. 296
Create, Read, Update, and Delete (CRUD)	p. 296
Using Migrations	p. 296
Using Partials	p. 297
Ten Ways to Override Rails Defaults	p. 299
Overriding the Database Name	p. 300
Overriding a Database Table Name	p. 301
Overriding a Controller Name	p. 303
Overriding the Name of a Table's Primary Key	p. 304
Using Singular Nouns	p. 305
Creating Irregular Plurals	p. 307
Overriding a Default Layout	p. 308
Creating Additional Web Pages	p. 310
Modifying the Meanings of URLs	p. 311
Changing the Server Environment	p. 312
Index	p. 315
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Ruby on Rails For Dummies

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