What is the difference between lock and semaphore?

438

---

How do I make columns sortable in excel?

306

---

What is the difference between factory and strategy design pattern?

537

---

Explain about cover?

209

---

How to calculate brick work quantity?? Block work quantity??

2101

---

---

Question on Copy constructor.

602

---

What is wsdl and how it works?

468

---

I am new to Unix and Unix Shell scripting could you guide me on how to go about these subjects and where to start from with concern to Oracle?. I also would like to know where does UNIX shell Scripting help in terms of development of a application in Oracle? I have no clue in the subject so do help me. Thank You Neelima

2285

---

The ejb container implements the ejbhome and ejbobject classes. For every request from a unique client, does the container create a separate instance of the generated ejbhome and ejbobject classes?

546

---

What is difference between web site testing, desktop application testing and wireless application testing? what is the difference in testing strategy to test them?

1581

---

What is the turn-off time for converter grade scrs and inverter grade scrs?

623

---

What is ad rotation?

194

---

what is W.T?specify the acceptable range?

1501

---

in battery charging room we find two fuses (one in positive other in negative cables ).why it is so?one fuse is ore than sufficient?

1794

---

What is the difference between zend framework and laravel?

129

---