while std has std::string, to change between them, use following code: // #include <QMessageBox>usingnamespacestd;// #include <fstream>#include<cassert>QStrings2q(std::string&str){autoqs=QString::fromLocal8Bit(QByteArray::fromRawData(str.c_str(),str.size()));returnqs;}QStrings2q...
QString s = "www.amin-ahmadi.com"; First convert it tostd::stringand then use itsc_strmethod, like this: s.toStdString().c_str()
Crash Report This crash report was reported through the automatic crash reporting system 🤖 Traceback TypeError: unable to convert a Python 'int' object to a C++ 'QString' instance TypeError: unable to convert a Python 'int' object to a C...
std::string = boost::lexical_cast<std::string>() Boost.Spirit.Karma generate into a char[] buffer, then std::string(buffer) Source for the test is at speed-convert-int-to-string.cpp with cycle.h. The compilers are Microsoft Visual C++ 2010 Express as VC10 with _SECURE_SCL disabled,...
I want to support QVector etc etc but I'm hitting walls left and right. Any hints? how to declare/how to use? etc? Tried with : namespace nlohmann { template<> struct adl_serializer<QString> { static void to_json(json &j, const QString &s) { j = s.toStdString(); } static...
#include<iostream>#include"x2struct/x2struct.hpp"// 包含这个头文件usingnamespacestd;structUser{int64_tid;stringname;stringmail; User(int64_ti=0,conststring& n="",conststring& m=""):id(i),name(n),mail(m){} XTOSTRUCT(O(id, name, mail));// 添加宏定义XTOSTRUCT在结构体定义结尾};...
// use the qtcore tool to run this code#include<bits/stdc++.h>usingnamespacestd;intmain(){// declaring// the stringQString s;// taking input// from usercin>> s;// ok: pointerboolok;// 16 hexa baseinthexa_dec = s.toInt(&ok,16);if(!ok) {// conversion not donecout<<"Conv...
#include <bits/stdc++.h> using namespace std; //前向声明目标类 class Class_type_two; // 源类,即 // 要转换成另一种类的类 class Class_type_one { string a = "GeeksforGeeks"; public: // 会返回字符串类型数据的成员函数 string get_string() { return (a); } // 显示数据的成员函数...
#include<iostream>#include"x2struct/x2struct.hpp"//include this header fileusingnamespacestd;structUser{int64_tid; string name; string mail;User(int64_ti=0,conststring& n="",conststring& m=""):id(i),name(n),mail(m){}XTOSTRUCT(O(id, name, mail));//add XTOSTRUCT at the end ...
#include<iostream>#include"x2struct/x2struct.hpp"//include this header fileusingnamespacestd;structUser{int64_tid; string name; string mail;User(int64_ti=0,conststring& n="",conststring& m=""):id(i),name(n),mail(m){}XTOSTRUCT(O(id, name, mail));//add XTOSTRUCT at the end ...