What is the use of interpolation in ruby?

5

---

Explain some of the looping structures available in ruby?

5

---

What is the difference between a class and a module?

5

---

What are the three levels of method access control for classes and what do they signify? What do they imply about the method?

5

---

What are the different environment variables present in the ruby?

5

---

Mention what is the difference between procs and blocks?

5

---

Mention what is the command to create a migration?

5

---

How to remove a file?

1129

---

How the values are ordered in an array?

1099

---

What type of headers have to be added in the mail function to attach a file?

946

---

How to get the number of characters in a string?

1025

---

What are the different ways to login to a remote server? Explain the me, advantages and disadvantages?

1064

---

Is it more secure to use cookies to trfer session ids?

999

---

Php says that an array is an ordered map. But how the values are ordered in an array?

1049

---

How cookies are trported from browsers to servers?

1022

---