From:https://stackoverflow.com/questions/18273370/the-correct-way-to-initialize-a-dynamic-pointer-to-a-multidimensional-array Let's start with some basic examples. When you say int *P = new int[4]; new int[4]; calls operator new function() allocates…
Xx_Introduction Double indrection:Address of Address;Pointer of Pointer Ax_Code #include<stdio.h> int main(void) { int zippo[4][2] = { 2,4, 6,8, 1,3, 5,7 }; printf(" zippo = %p, zippo + 1 = %p\n", zippo, zippo + 1); printf(" zippo[0]…
目录 . 引言 . C/C++运行库 . 静态Glibc && 可执行文件 入口/终止函数 . 动态Glibc && 可执行文件 入口/终止函数 . 静态Glibc && 共享库 入口/终止函数 . 动态Glibc && 共享库 入口/终止函数 . 静态库/共享库->编译/使用.动态加载 . 和静态库/动态库相关的辅助工具 1. 引言 0x1: glibc Any Unix-like operating system needs a C…
Ref https://doc.qt.io/archives/qq/qq16-dynamicqobject.html Trolltech | Documentation | Qt Quarterly Dynamic Signals and Slotsby Eskil Abrahamsen Blomfeldt Signals and slots are declared at compile-time, and normally you cannot add new signals and slo…
1. make_shared<T>(args): return a shared_ptr dynamically allocated object of type T. Use args to initialize the object. shared_ptr<T> p(q): p is a copy of shared_ptr q. Increase the count in q. The pointer in q must be convertable to T. p = q:…
---------------------------------------------------------------------------------------------------------------------------- 说明: Initialize is the first method called by the project source file. It calls the InitProc procedure pointer. By default, th…
1. boost::scoped_ptr is a smart pointer that is the sole owner of a dynamically allocated object and cannot be copied or moved. #include <boost/scoped_ptr.hpp> #include <iostream> int main() { boost::scoped_ptr<)); std::cout << *p <…
写过javascript的人都知道js解析json 1:(JSON) 字符串转换为对象. var str = '{"name":"lsw","hobby":"free"}'; 1.1:JSON.parse(str); 2:对象解析出字符串 var a = {a:1,b:2}; JSON.stringify(a) 3:注意:浏览器兼容问题 网上有json2.js文件 或者jquery文件 问题来了c# 写过webapi 或者we…
See example below firstly. uint8_t parity = ; uint8_t index = ; //flag gMUXTask.responseData[index++] = MUX_DATA_BIT_LOW; //dirty gMUXTask.responseData[index++] = gDeviceStatus.responseStatus.dirty; parity += gDeviceStatus.responseStatus.dirty; //smo…
文章地址  http://developer.android.com/training/articles/perf-jni.html JNI Tips JNI is the Java Native Interface. It defines a way for managed code (written in the Java programming language) to interact with native code (written in C/C++). It's vendor-ne…