What are paid results?

786

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Explain what are backlinks?

787

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How do you separate words in url?

822

---

What is rss feed?

841

---

What is the difference between concern and application_controller.rb in ruby on rails?

836

---

What are the types of caching used in rails, what are they?

963

---

How would you freeze an object in ruby?

1

---

How would you implement hash in ruby internally?

1

---

What are some advantages of using ruby?

1

---

What is the difference between calling super and calling super()?

1

---

How ruby looks up a method to invoke?

1

---

What is mvc and why do we use it?

1

---

Explain the difference in scope for these two variables: @@name and @name?

1

---

How do you remove nil values in array using ruby?

1

---

Explain each of the following operators and how and when they should be used: ==, ===, eql?, Equal?

1

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