I am trying to use two classes to implement a tree structure: tree and node. The problem is, from each class I want to call another class’s function, so the simple forward declaration is Not enough
Category: C & C++
C language is a general-purpose computer programming language with a wide range of applications. The design goal of C language is to provide a programming language that can compile and process low-level memory in a simple manner, generate a small amount of machine code, and can run without any operating environment support. C++ is an object-oriented programming language developed on the basis of C language, which is widely used. C++ supports multiple programming paradigms-object-oriented programming, generic programming and procedural programming.
c – use DirectX to capture screens
I know how to use GDI to capture the screen, but it is very slow (it barely captures 10 fps)
I have read that DirectX provides the best speed .But before I start learning DirectX, I want to t
C – Convert a single color using CVTColor
I have a color and I want to convert to a different color space. Is it possible to directly use cvtColor on cv::Vec3f without creating 1×1 cv::Mat and use cv :: The cvtColor on the Mat fills the pi
VS2013 Modify Engineering Name (C #)
I don’t comment too much on the project rename tool found on Baidu. Friends who have tried it know that there are often various problems, and sometimes the name is changed. The later project can be
C – Undefined reference to ‘pthread_key_create’ (linker error)
I downloaded the gtest 1.7.0 source code from here:
https://code.google.com/p/googletest/downloads/list
And build the gtest .a file (lib file) on ubuntu 13.10:
Linux ubuntu 3.11.0
Confusion between C and OpenGL matrix order (main and column main)
I am very confused about the definition of a matrix. I have a matrix class that stores a floating point number based on the following observations[16], I assume it is the main line: < /p>
flo
Why use ATOI () in C to get this unexpected result?
I don’t understand the result of the following C code.
main()
{
char s[] = “AAA”;
advanceString(s);
}
void advanceString(p[3])
{
int val = atoi(p);
printf(“The atoi val is %d
“,val);
} Th
Execute the program from the C program
How should I run another program from my C program? I need to be able to write data to the STDIN of the started program (and possibly read from its STDOUT)
I am not sure if this is a standard
Visual-c – How to make the MFC check box for just-only but keep the text enabled?
It seems that disabling the checkbox via the Disabled attribute will also make the title gray. Does anyone know how to keep the title enabled but disable input?
Edit
Based on Paul’s ide
C – SizeOF pointer
char c[] = {‘a’,’b’,’c’};
int* p = &c[0];
printf(“%i
“, sizeof(*p)); //Prints out 4
printf(“%i
“, sizeof(*c)); //Prints out 1 I am very confused about this part of the code. Both p and c represent