a) Sets a system environmental value to either base 10, base 8 or base 16 b) Returns the remainder after dividing one number by another c) Returns the first argument raised to the second argument power
Latest Answer : The function of the modulus operator is ,Produce the remainder of the given division operation.Finally we get the remainder only ...
a) Force column values in one table to match any of the values in a column of another table b) Automatically replicate data on another server c) Automatically create new indexes based on query history
Latest Answer : Automatically replicate data on another server ...
a) jump -2 upper b) cp upper ../.. c) cp upper -2/ d) None of the above
Latest Answer : Answer : (b) ...
Class Word { public: Word(const char*, int = 0); }; Referring to the sample code above what is the minimum number of arguments required to call the constructor ?
a) 0 b) 1 c) 2 d) 3
a) fread() b) readfile() c) fileread() d) gets()
Latest Answer : Answer is a) fread() ...
With every use of memory allocation function should be used to release allocated memory which is no longer needed ?
a) dropmem() b) dealloc() c) release() d) free()
C++ Pure Virtual Function and Base Class | |
C Pure Virtual Function and Virtual Base Class In this C tutorial you will learn about pure virtual function declaration of pure virtual function and virtual base class virtual base class and how to implement a virtual base class explained with examples mosgoogle center What is Pure Virtual Function |
|
C++ Function Passing Types | |
C Function Passing Types In this C tutorial you will learn about function passing types two types of arguments passing in functions passed by value and passed by reference are discussed here mosgoogle center The arguments passed to a function can be performed in two ways Passed |
|
What is Data File | |
In a logical data model, the conceptual data model which is based on the business semantic is being defined. Thus, entities and relationships and corresponding table and column design, object oriented classes, and XML tags, among other things are being laid regardless of the database will be physica |
|
What is DECODE function used for? | |
DECODE is used to decode a CHAR or VARCHAR2 or NUMBER into any of several different character strings or numbers based on value. That is DECODE does a value-by-value substitution. For every value that is given in the DECODE function it makes an if then check and matches the value. The general format |
|
printf() Function Return Value | |
What is the return value from printf() function?
printf function always returns the number of characters printed. Let us understand this with an example:
main()
{
int a=10;
printf("%d",printf("%d %d %d", a,a,a));
}
In this above program the inner printf i |
|
How is the main() function declared? | |
The declaration of main can be done as
int main()
One more declaration that can be taken by main is command line arguments form
int main(int argc, char *argv[])
or this can also be written as
int main(argc, argv)
int argc;
char *argv[];
NOTE: It is not possible for one to declare the main |
|
How does the function call within function get evaluated? | |
Whenever we have more than one function which is called for a finite number of times then such a function gets evaluated from inside out.
Let us understand this concept with an example.
For instance consider a function sample called within it 4 times as given in program below:
main()
{
int a=50; |
|
|
What is the default return value of a function? | |
The default return value from a function is int. In other words, unless explicitly specified the default return value by compiler would be integer value from function.
When a programmer wants other than integer values to be returned from function then it is essential that the pro |
|
What happens when a variable is not declared in function definition? | |
Generally in C program the function definition and calling takes the form as given below:
main()
{
int x,y,z;
z=sample(x,y);
printf(“%d”,z);
}
sample(x1,y1)
int x1,y1;
{
int z1;
z1= x1 - y1;
return(z1);
}
Here what happens is the values x, y gets passed to x1,y1 |
|
|