How do I show the value of a #define at compile-time?
I know that this is a long time after the original query, but this may still be useful. This can be done in GCC using the stringify operator "#", but it requires two additional stages to be defined first. …
How to define constants in Visual C# like #define in C?
In C you can define constants like this #define NUMBER 9 so that wherever NUMBER appears in the program it is replaced with 9. But Visual C# doesn't do this. How is it done?
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?
c - How do I concatenate #define value? - Stack Overflow
Mar 11, 2014 · You can generally use the ## (double number sign) to concatenates two tokens in a macro invocation. However, since you have string literals jamming an already defined …
MSBuild: set a specific preprocessor #define in the command line
Our solution was to use an environment variable with /D defines in it, combined with the Additional Options box in Visual Studio. In Visual Studio, add an environment variable macro, …
Array format for #define (C preprocessor) - Stack Overflow
Array format for #define (C preprocessor) Asked 13 years, 1 month ago Modified 4 years, 8 months ago Viewed 97k times
Is it possible to use a if statement inside #define?
As far as I know, what you're trying to do (use if statement and then return a value from a macro) isn't possible in ISO C... but it is somewhat possible with statement expressions (GNU …
correct way to define class variables in Python - Stack Overflow
I noticed that in Python, people initialize their class attributes in two different ways. The first way is like this: class MyClass: __element1 = 123 __element2 = "this is Africa" ...
#define macro for debug printing in C? - Stack Overflow
#ifdef DEBUG #define DEBUG_TEST 1 #else #define DEBUG_TEST 0 #endif And then use DEBUG_TEST where I used DEBUG. If you insist on a string literal for the format string …
c - #ifdef inside #define - Stack Overflow
Is there any way to define COV_ON like this? I know what I have done above is wrong as I can't have #ifdef inside #define. (# is not an allowed character in #define).