C language does not execute loop body

In the RT code shown in the figure, the result of frames printed is 100, but the code does not execute the loo...

From [C++discussion group] 2017-06-05 11:11:33 0  1  932

c++ - What does static void (* __set_malloc_handler(void (*__f)()))() mean

{Code...} I understand void (*func)(), but what is the __f above, and how to call the above function?

From [C++discussion group] 2017-06-05 11:11:30 0  1  1021

stl - c/c++ Questions about binary operations (by the way, looking for good libraries and methods)

I am currently working on a project involving content compression, which requires the data to be processed in ...

From [C++discussion group] 2017-06-05 11:11:09 0  2  823

c++ - What are the syntax rules for ## in define?

In the allocation.hpp of the jdk8 source code, there is {code...} that does not understand the grammatical rul...

From [C++discussion group] 2017-06-05 11:11:07 0  2  783

C++ error C2678: binary '<<': no ​​operator found accepting left operand of type 'const std::ostream'

I called the operator&lt;&lt; of SortedSinglyList in LinkedMatrix's operator&lt;&lt;, and dete...

From [C++discussion group] 2017-06-05 11:11:05 0  1  1150

c++ - How to convert vector coordinates to string in the format of "(x=, y=)"

Code: string str(double dX, double dY)// Convert vector coordinates to string in the format of "(x=, y=)&...

From [C++discussion group] 2017-06-05 11:11:01 0  2  1293

Shared memory not deleted after shmdt

The code is as follows. I executed shmdt and it was successful, but I checked with ipcs -m and found that it w...

From [C++discussion group] 2017-06-05 11:10:58 0  1  776

c++ - Why can class be followed by 2 class names?

I don’t understand VALUE_OBJ_CLASS_SPEC in the syntax of class. Why can class be followed by two class names? ...

From [C++discussion group] 2017-06-05 11:10:52 0  2  1166

c++ - The members of a class look like functions, but they have the face of an array. What exactly are they?

{Code...} What I don't understand is static VMStructEntry localHotSpotVMStructs[]; static VMTypeEntry localHot...

From [C++discussion group] 2017-06-05 11:10:47 0  1  965

How to understand `#define` with parameters?

part1 {code...} part2 {code...} is usually {code...}, but here we see it is {code...}. I underlined it to mean...

From [C++discussion group] 2017-06-05 11:10:42 0  1  814

How can a C++ program written in vs2017 be copied to Qt Creator without reporting an error? Please let me know.

This is a piece of code I found online, and it is no problem to put it in vs2017. Most header files cannot be ...

From [C++discussion group] 2017-05-31 10:40:01 0  1  1485

The c++ declaration is placed in the a.h file, and the implementation is placed in a.cpp. Why can the class implemented in a.cpp be used by referencing a.h in main.cpp?

Use visual studio to write a C++ program. The C++ declaration is placed in the a.h file, and the implementatio...

From [C++discussion group] 2017-05-31 10:39:52 0  2  885

c++ - Question about forward_list using iterator to output elements

{code...}

From [C++discussion group] 2017-05-31 10:39:45 0  1  681

How to send image files and other data through http post in C++

Request method: post Request content: {code...} I work in PHP, and I can only write local code in C++. He will...

From [C++discussion group] 2017-05-31 10:39:33 0  3  1132

Exception thrown by C++ CopyConstructor! !

The code is as follows: {code...} Code description: The Data class now has three char* members, namely P_name,...

From [C++discussion group] 2017-05-31 10:39:26 0  3  855