Explain Accumulator in Spark?

105

---

Tell me what is the command to create a migration?

1

---

What's the purpose of static methods and static variables?

350

---

What is python's parameter passing mechanism?

312

---

What are python dictionaries?

296

---

---

Can main() function can be made virtual?

1118

---

Which components are used for stream flow of data?

206

---

Why there is no opening balance for Profit and Loss Account?Refer me Detailed explanation. Thank you.

720

---

How to prepare and store agar?

2328

---

What is the difference between fixed and flexible exchange rate?

1

---

When cookie will expire?

306

---

What is ajaxcontrol toolkit?

294

---

What do you know about Institute of Banking Personnel?

443

---

What is the use of vbj [options] [arguments normally sent to java VM] {class} [arg1 arg2 ...]?

904

---

What is abstraction oop?

356

---