How will you rename and delete a file in Ruby?

5

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How to make a class in php?

536

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What do you mean by serialization in .NET?

539

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What is bottom-up testing?

584

---

differences between service based and product based?

1550

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How is the logging implementation specified in web logic?

598

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how can you execute a command from within an rpg program without calling a clp program?

1165

---

What is lookup override?

577

---

What happens to a detailed record when a master record is deleted? What happens to child records when a parent record is deleted?

197

---

What do you mean by the high availability of a namenode? How is it achieved?

16

---

What type of value does sizeof return?

524

---

How to perform testing on old versions of android and IOS ? If real device is not available.

801

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Can multiple users edit an excel spreadsheet at the same time?

289

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What is the use of internal keyword?

568

---

Is unix a coding language?

460

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