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Q:

What’s the special meaning of __sleep and __wakeup?

Answer __sleep returns the array of all the variables than need to be saved, while __wakeup retrieves them.
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Subject: PHP

0 3145
Q:

What is the difference between Property Get, Set and Let?

Answer

Set - Value is assigned to ActiveX Object from the form.


Let - Value is retried to ActiveX Object from the form.


Get - Assigns the value of an expression to a variable or property.

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Subject: Microsoft Interview

6 3140
Q:

Does Java support multiple inheritance?

Answer Java doesn't support multiple inheritance.
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Subject: Java

0 3140
Q:

If you are current on the owner of a set, what is the difference between an obtain next and obtain first in IDMS?

Answer

No difference. There is a difference between obtain first and obtain next for an area sweep, but not when current on the owner in a set.

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Subject: Mainframe Interview

0 3139
Q:

What is the difference between a JDK and a JVM?

Answer

JDK is Java Development Kit which is for development purpose and it includes execution environment also.


JVM is Java Virtual Machine which is a run time environment for the compiled java class files .Hence you will not be able to compile your source files using a JVM.

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Subject: Java

0 3127
Q:

What is the managed execution process?

Answer

Managed execution process is a process where CLR executes the managed code. The steps involved in this process are:



  1.  Choosing the right compiler

  2.  Compiling the code to MSIL. This also generates the required metadata.

  3.  Compile the MSIL ode to native machine code.

  4. Executing the code with the variety of services available

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Subject: .NET

0 3126
Q:

Which is best for coding the standard libary for c++?

A) no trailing underscores on names B) complex objects are returned by value
C) have a member-swap() D) All of the mentioned
 
Answer & Explanation Answer: D) All of the mentioned

Explanation:
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Filed Under: C++

1 3113
Q:

EXPLAIN has output with MATCHCOLS = 0. What does it mean?

Answer

a nonmatching index scan if ACCESSTYPE = 1


 

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Subject: Mainframe Interview

0 3107