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 …
Explicitly Define Datatype in Python Function - Stack Overflow
Explicitly Define Datatype in Python Function Asked 8 years, 3 months ago Modified 2 years, 1 month ago Viewed 102k times
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.
c# - How do you use #define? - Stack Overflow
Oct 30, 2013 · The main use-case for #define is for conditional compilation (where it can be very useful). You're correct that using #define for symbols and (please don't do it) macros, is not a …
c++ - Declaring a function using #define - Stack Overflow
Jul 9, 2018 · The #define version is still a macro. The code is expanded at the invocation site. It has all the expected problems (with macros) including namespace pollution and unexpected …
Array format for #define (C preprocessor) - Stack Overflow
Array format for #define (C preprocessor) Asked 12 years, 9 months ago Modified 4 years, 3 months ago Viewed 96k times
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?
How do I declare custom exceptions in modern Python?
Dec 17, 2019 · How do I declare custom exception classes in modern Python? My primary goal is to follow whatever standard other exception classes have, so that (for instance) any extra …
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?
How do I define a function with optional arguments?
How do I define a function with optional arguments? Asked 13 years, 4 months ago Modified 1 year ago Viewed 1.2m times