About 6,870,000 results
Open links in new tab
  1. 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 101k times

  2. 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?

  3. c - #Define VS Variable - Stack Overflow

    Jun 18, 2012 · #define WIDTH 10 is a preprocessor directive that allows you to specify a name (WIDTH) and its replacement text (10). The preprocessor parses the source file and each …

  4. 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 …

  5. 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.

  6. 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?

  7. c++ - What does ## in a #define mean? - Stack Overflow

    In other words, when the compiler starts building your code, no #define statements or anything like that is left. A good way to understand what the preprocessor does to your code is to get …

  8. 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

  9. What is the difference between #define and const? [duplicate]

    The #define directive is a preprocessor directive; the preprocessor replaces those macros by their body before the compiler even sees it. Think of it as an automatic search and replace of your …

  10. What's the difference in practice between inline and #define?

    Aug 24, 2010 · 2 Macros (created with #define) are always replaced as written, and can have double-evaluation problems. inline on the other hand, is purely advisory - the compiler is free …