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Ruby on Rails 3 Tutorial
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Table of Contents

Foreword by Derek Sivers         xv

Foreword by Obie Fernandez         xvii

Acknowledgments         xix

About the Author         xxi

 

Chapter 1: From Zero to Deploy         1

1.1 Introduction   3

1.2 Up and Running   9

1.3 Version Control with Git   24

1.4 Deploying   35

1.5 Conclusion   40

 

Chapter 2: A Demo App         41

2.1 Planning the Application   41

2.2 The Users Resource   44

2.3 The Microposts Resource   58

2.4 Conclusion   69

 

Chapter 3: Mostly Static Pages          71

3.1 Static Pages   74

3.2 Our First Tests   84

3.3 Slightly Dynamic Pages   103

3.4 Conclusion   115

3.5 Exercises   116

 

Chapter 4: Rails-Flavored Ruby         119

4.1 Motivation   119

4.2 Strings and Methods   125

4.3 Other Data Structures   134

4.4 Ruby Classes   144

4.5 Exercises   154

 

Chapter 5: Filling in the Layout         157

5.1 Adding Some Structure   157

5.2 Layout Links   177

5.3 User Signup: A First Step   186

5.4 Conclusion   191

5.5 Exercises   191

 

Chapter 6: Modeling and Viewing Users, Part I         193

6.1 User Model   194

6.2 User Validations   210

6.3 Viewing Users   227

6.4 Conclusion   236

6.5 Exercises   237

 

Chapter 7: Modeling and Viewing Users, Part II         239

7.1 Insecure Passwords   239

7.2 Secure Passwords   250

7.3 Better User Views   262

7.4 Conclusion   279

7.5 Exercises   280

 

Chapter 8 Sign Up 283

8.1 Signup Form 283

8.2 Signup Failure 292

8.3 Signup Success 305

8.4 RSpec Integration Tests 313

8.5 Conclusion 321

8.6 Exercises 321

 

Chapter 9: Sign In, Sign Out         325

9.1 Sessions  325

9.2 Signin Failure   332

9.3 Signin Success   338

9.4 Signing Out   354

9.5 Conclusion   363

9.6 Exercises   363

 

Chapter 10: Updating, Showing, and Deleting Users         365

10.1 Updating Users   365

10.2 Protecting Pages   376

10.3 Showing Users   384

10.4 Destroying Users   399

10.5 Conclusion   408

10.6 Exercises   409

 

Chapter 11: User Microposts         411

11.1 A Micropost Model   411

11.2 Showing Microposts   425

11.3 Manipulating Microposts   434

11.4 Conclusion   457

11.5 Exercises   458

 

Chapter 12: Following Users         461

12.1 The Relationship Model   463

12.2 A Web Interface for Following and Followers   482

12.3 The Status Feed   507

12.4 Conclusion   519

12.5 Exercises   523

 

Index         527

About the Author

Michael Hartl is a programmer, educator, and entrepreneur. He coauthored RailsSpace (Addison-Wesley, 2008), and was cofounder and lead developer of Insoshi, a popular social networking platform based on Rails. He previously taught theoretical and computational physics at the California Institute of Technology, earning the Caltech Lifetime Achievement Award for Excellence in Teaching. Michael is a graduate of Harvard College, holds a Ph.D. in physics from Caltech, and is an alumnus of the Y Combinator entrepreneur program. He maintains the Rails Tutorial website at railstutorial.org.

Reviews

RailsTutorial.org: Michael Hartl’s awesome new Rails Tutorial The Ruby on Rails™3 Tutorial: Learn Rails by Example by Michael Hartl has become a must read for developers learning how to build Rails apps.—Peter Cooper, editor of Ruby Inside Very detailed and hands-on Rails Tutorial!Great job! I’m learning Rails, and found your tutorial to be one of the most detailed and hands-on guides. Besides many details of Rails, it also taught me about Git, Heroku, RSpec, Webrat, and most important (at least to me), it emphasized the Test-Driven Development (TDD) methodology. I learned a lot from your tutorial. Keep up the good job! Thanks so much for sharing it.—Albert Liu, senior manager, Achievo Corporation. Ruby on Rails Tutorial is the best!Just wanted to say that your Ruby on Rails tutorial is the best! I’ve been trying for a while to wrap my head around Rails. Going through your tutorial, I’m finally feeling comfortable in the Rails environment. Your pedagogical style of gradually introducing more complex topics while at the same time giving the reader the instant gratification and a sense of accomplishment with working examples really works for me. I also like the tips and suggestions that give me a sense of learning from a real Rails insider. Your e-mail response to a problem I ran into is an example of your generous sharing of your experience.—Ron Bingham, CEO, SounDBuytz I love the writing style of the Rails TutorialI love the writing style of the Rails Tutorial, and there is so much content that is different from other Rails books out there, making it that much more valuable...Thanks for your work!—Allen Ding

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