
Visual Studio: NU1008 Central Package Management problem
Mar 21, 2025 · The build system thinks that your solution has Central Package Management (CPM) enabled while your package references are not configured to support said setup. If you …
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 …
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++ - 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.
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 do I use extern to share variables between source files?
Best way to declare and define global variables The clean, reliable way to declare and define global variables is to use a header file to contain an extern declaration of the variable. The …
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 …
Creating an empty Pandas DataFrame, and then filling it
NEVER grow a DataFrame row-wise! TLDR: (just read the bold text) Most answers here will tell you how to create an empty DataFrame and fill it out, but no one will tell you that it is a bad …
How do I define a function with optional arguments?
How do I define a function with optional arguments? Asked 13 years, 5 months ago Modified 1 year, 1 month ago Viewed 1.2m times
Is there a way to do a #define inside of another #define?
I know that I am trying to shoot myself in the leg ;) However, it will allow me to make the rest (big amount) of code smaller and more readable. Is there any tricky way to create preprocessor …