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How does the equal sign work in C language?
unsigned char CPM 1;
-1 is a constant stored according to the int type. C is printed directly. The last byte of the complement mode of-1 is copied directly to c. Is the equal sign of c language copied directly bit by bit? When you assign a constant to ...
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What is the use of the & in the CPP overload operator argument?
-sharpinclude <iostream>
using namespace std;
class Box
{
public:
double getVolume(void)
{
return length * breadth * height;
}
void setLength(double len)
{
length = len;
}
void setBreadth(double bre)
...
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CPP retest questions, cin was skipped
the title is as follows: the robot walks the maze the maze consists of N W S E stepping on N, stepping on N, stepping on W, walking on the left, stepping on S, stepping on E, and stepping on E, input the number of rows in the maze is not greater than...
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Why do you need dynamic link libraries for dynamic linking?
for example, dynamic link libraries (.lib .so files) are not introduced into the program at all when dynamically linked. So why do we need to give the path to the dynamic link library when we compile dynamically? ...
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Clion for mac cannot run the program?
hello world cpp
...
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Net Replace conversion problem, how to remove the $before and after id
encounter item.Selected conversion problem when revamping website add "$ " such as < option selected= "selected " value= "$6$ " > red < option > < option value= "$3$ " > black < option > < option value= "$5$ " > blue < option > < option ...
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Why didn't my cPP code pass the clion compilation on the linux platform?
at first I found that it was a bug, that appeared in a low version of gcc. When I upgraded gcc, it could be compiled under the command line, but it failed in clion. How to adjust it in clion.
-sharpinclude <iostream>
void print() {
}
template ...
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How are the references and const variables in the class before CPP11 initialized?
CPP11 allows list initialization for all objects, and because the constructor body is assigned, references and const variables must be initialized first, so you must use list initialization, so how is it initialized before CPP11? ...
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Help: centos cannot enter the graphical interface after installing cuda9
< H1 > question < H1 >
centos version 7 , NVIDIA graphics card Tesla P4 , previously installed cuda version 8 , running normally.
but after installing cuda9 , restart cannot enter the graphical interface, as shown below:
the cuda inst...
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Rookie C language OJ can't run locally. What can we do?
int Setbit(int* A,int RowSize){
int i = 0;int Sum = 0;
for(i = 0;i < RowSize;iPP)
if(A[i] == 0)
Sum ^= 1<<(RowSize-i-1);
return Sum;
} Setbit;
bool Readbit(int S,int i,int RowSize){
return S&( 1 << (R...
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Enter a string str, to delete any character in the string str, leaving the rest of the string to form a symmetrical string, which is the longest symmetrical string
topic:
ss
for example:
enter google, to find that the longest symmetrical string is goog
enter abcda to find that the longest symmetric string is aba.
if there is more than one longest symmetric string, multiple longest symmetric strings o...
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Mac installation tmux error C compiler cannot create executables
error message We do not provide support for this pre-release version. You may encounter build failures or other breakages. = > Installing dependencies for tmux: pkg-config, makedepend, Libevent = > Installing tmux dependency: pkg-config = > Downloa...
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Is it possible to understand std::seed_seq? in this way?
when learning < random > library, only seed_seq does not quite understand although I went to MSDN, and cppreference, it is not very clear that there is too little information about seed_seq on Google. my understanding is: when a given seed is not ve...
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Why not provide semaphores directly in CPP11?
Why not provide semaphores directly in RT,CPP11? Instead, it can be implemented jointly with mutexes and conditional variables, for what consideration? ...
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When GCC compiles, undefined reference to appears
1. Under folder A, there is a folder B 2. Generate static libraries in folder B, assuming that the ld.a, source code is written in C 3. The .CPP file in folder A, a function that references the source code in folder B, and links to the static library ...
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Update gcc, with brew under mac there are a lot of header files can not be used! Headache
Update gcc, with brew under < H2 > mac there are a lot of header files that can t be used! < H2 >
as the title
for example, write a helloworld
1 -sharpinclude <stdio.h>
2 -sharpinclude <stdlib.h>
3 int main(){
4 printf(&quo...
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Find a combinatorial algorithm Demo, to find the unique combinatorial result.
I have an one-dimensional array, which contains the letter Amurz. If you want to find out all the unique combinations, the combination type is 1-to-many, for example: the letter A can be combined with any other one or more letters, please give a Demo or...
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How does clion automatically generate function declarations in .c files into .h files?
for example, if I have a function in the c file that I want to export and open to others to call, how can I automatically generate these function declarations into the .h header file? ...
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Compile C with Cygwin on win and report an error iconv.h:No such file or directory
< H1 > question < H1 >
I want to compile it with make. The header file uses iconv.h , but cygwin already has libiconv installed .
...
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FFmpeg can not execute properly in SDL thread
is currently getting started learning about FFmpeg. When introducing SDL threads, there are the following problems:
1. Create demux_ thread in main thread
2. demux_thread
3. main
4. Complete code ffplay.c
-sharpinclude <stdio.h>
-sha...
