What is the purpose of using ifnull() function?

1001

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What is the difference between print_r and var_dump?

699

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What is the benefit of using linq on dataset?

126

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For networking, what hardware is used in openstack?

389

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Explain pre-order and in-order tree traversal.

956

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Why integration engine?

529

---

Is it possible to call from one action to another action in qtp?

1037

---

Explain the difference between data storage options which are available in android?

979

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What does nw 7.4 sp 05/nw 7.5 sp 02 offers in abap?

1100

---

What is #ref in excel?

628

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How do I connect a network printer to a wireless router?

1522

---

How do you set default timezone in codeigniter ?

710

---

How do I make my website responsive?

911

---

What does a $1 mean in excel?

630

---

What does ng controller do?

759

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