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Which one would you prefer - a macro or a function?
Actually it depends on the purpose of program!
- In case of macros, corresponding code is inserted directly into your source code at the point where macro is called. No overhead is involved in using a macro. This makes Macros more efficient and faster than functions. Though, macros are generally small and can't handle large, complex coding constructs. So, if it's a complex situation that program wants to handle, functions are more suitable.
- Macros are expanded inline - this means that each time a macro occurs, code is replicated. So, code size in case of usage of macros would be larger in comparison to functions.
So, choice of using functions or macros actually depends of your requirement - speed vs. program size.
If your program includes small, repeated code sections, you must use Macros. If program requires, large number of unique code lines - you must prefer functions.
Is there any difficulty with the following : char*a=NULL; char& p = *a;? A: The result is indeterminate. You must never do this. A reference has to always refer to some object.
1) Database: The database needs to be used for persistent storage of cars. For details of what information should be stored in the database, please see the description above. You
#question.Write a c++ program to accept and print a 1_d array
padovan string problem program 1 : package test.padovanstring; public class PadovanString { public int stringOccurrences(int n, String str){ if(n >= 40)
Program is to create a file student.dat: Program is to create a file student.dat which contains all name, roll_no,marks(5 sub) and percentage class student {
No. it's not required The C++ language guarantees that delete p will do nothing if p is equivalent to NULL. As you might get the test backwards, and as most testing methodologie
A: A reference has to always refer to some object and, so, must always be initialized; pointers do not have such limits. A pointer may be reassigned to point to distinct objects wh
write a simple c++ program to that use the value to add five number .your program should prompt the user to enter these five numbers one after the other
Write a program that takes 3 small letters as input and sort them according to their ASCII value.
What is difference between require_once (), require(), include()? require() includes and evaluates a specific file, if file isn't found then it shows a Fatal Error. require_
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