886 questions
When installing scrapy to crawl with Python, an error occurred while installing a package called twitted.They said there was no cl.exe, so after all the rumors... I installed Visual Studio C++ Build T...
Why do you use > or < instead of != when increasing by 1 in the for statement?In the chords that other people made,I've rarely seen a for statement that increases by 1.Is there any special reaso...
I think the stack is faster. But she's not a friendin my experienceIt takes different time depending on the situationI didn't do that when I used the stackWhich is faster, stack allocation or heap all...
#include<iostream>using namespace std;int dis(char a[1]){ int length = strlen(a); char c = a[2]; return length;}int main(){ char b[4] = abc; int c = dis(b); cout << c; return 0;}I'm asking...
How do I install g++ on Fedora Linux?yum install g++They say they found nothing Gcc is already installed
//code1for (int i = 0; i < some_vector.size(); i++){ //...}//Code2for (some_iterator = some_vector.begin(); some_iterator != some_vector.end(); some_iterator++){ //...}Usually, when you use a conta...
As far as I know, ++ or += cannot be used in enumThen, how do I translate C++ enum from beginning to end?
There are programs 1 and 2.Importing and using the same dll/lib However, after changing the value of the variable in dll in program 1, run program 2. I want to use the dll value changed in program 2, ...
template <typename T>class Singleton{protected: Singleton() {} Singleton(const Singleton& single) {} ~Singleton() {}protected: static T* m_pInst;public: static T* GetInst() { if (!m_pInst) ...
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