What do you mean by render and redirect_to?

485

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How to find second max element from database ?

505

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Explain Get and post method?

512

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What is a ruby singleton method ?

495

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Difference between argument and parameter in ruby on rails ?

457

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If you want to set up a one-to-one relationship between two models, you'll need to add belongs_to to one, and has_one to the other. How do you know which is which?

445

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How is visibility of methods changed in ruby (encapsulation) ?

466

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What is the flash?

479

---

What is unit testing (in classical terms)? What is the primary technique when writing a test ?

528

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What is Dynamic finders ?

505

---

What is the difference between Render vs. Redirect_to in ruby on rails ?

492

---

How you run your rails application without creating databases?

446

---

What is the difference between save and save?

515

---

How many types of relationships does a model has?

473

---

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

449

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