What are the various changes between the rails version 2 and 3?

446

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What is the role of mvc architecture in ruby on rails?

459

---

What is the purpose of load, auto_load, and require_relative in ruby ?

449

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Difference between gem and plugin?

529

---

What are the various components of rail?

553

---

How to serialize data with yaml?

503

---

What is agile development? What are the strengths?

461

---

difference between member routes and collection routes ?

522

---

Write a program to show the functionality of request.xhr in ruby on rails ?

469

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What is the difference between delete and destroy ?

465

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What is a proc ?

537

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What are the different components of rails ?

489

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How do I find only duplicate entries in a database table?

579

---

How many types of associations relationships does a model have?

436

---

Choosing between belongs_to and has_one?

472

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