C++ - 'STATIC CONST' VS. '#DEFINE' - STACK OVERFLOW
Oct 28, 2009 Is it better to use static const variables than #define preprocessor? Or does it maybe depend on the context? What are advantages/disadvantages for each method? From bing.com
WHY ARE #IFNDEF AND #DEFINE USED IN C++ HEADER FILES?
I have been seeing code like this usually in the start of header files: #ifndef HEADERFILE_H #define HEADERFILE_H And at the end of the file is #endif What is the purpose of this? From bing.com
Jul 6, 2016 What is the scope of a #define? I have a question regarding the scope of a #define for C/C++ and am trying to bet understand the preprocessor. Let's say I have a project … From bing.com
DEFINING AND USING A VARIABLE IN BATCH FILE - STACK OVERFLOW
The space before the = is interpreted as part of the name, and the space after it (as well as the quotation marks) are interpreted as part of the value. So the variable you’ve created can be … From bing.com
HOW CAN I USE #IF INSIDE #DEFINE IN THE C PREPROCESSOR?
Just do something like this: #ifdef USE_CONST #define MYCONST const #else #define MYCONST #endif Then you can write code like this: MYCONST int x = 1; MYCONST char* … From bing.com
WHAT IS THE PURPOSE OF THE #DEFINE DIRECTIVE IN C++?
May 10, 2010 0 in C or C++ #define allows you to create preprocessor Macros. In the normal C or C++ build process the first thing that happens is that the PreProcessor runs, the … From bing.com
IS IT POSSIBLE TO USE A IF STATEMENT INSIDE #DEFINE?
There are multiple problems with your macro: it expands to a statement, so you cannot use it as an expression the arguments are not properly parenthesized in the expansion: invoking this … From bing.com
IS THERE A WAY TO DO A #DEFINE INSIDE OF ANOTHER #DEFINE?
You could for example do an ifdef guard to initialize a variable in a macro but make sure it isn't declared twice. I'm sure there are other possible use cases. Besides, it's normal to give … From bing.com
C++ - WHY USE #DEFINE INSTEAD OF A VARIABLE - STACK OVERFLOW
May 14, 2011 What is the point of #define in C++? I've only seen examples where it's used in place of a "magic number" but I don't see the point in just giving that value to a variable instead. From bing.com
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