文章分类 -  c++学习

摘要：#include #include int main(){ char str = "a =3,b=4,c=-1,d*e=12"; char key[4] = {0}; char value[4] = {0}; const char *split = ","; char ... 阅读全文

摘要：把每个16进制数，存到一个字节当中。unsigned char t_row[64] = {(char)0x0,(char)0x0,(char)0x9,(char)0x0,(char)0x9,(char)0x0,(char)0x9,(char)0x0,(char)0x9,(char)0x0,(char... 阅读全文

摘要：//Android.mkLOCAL_SHARED_LIBRARIES := \ libz\ libcutils \ libutils//C file#define TAG "skia_png"#include #define LOGD(...) __android_log_pri... 阅读全文

摘要：1.修改Android.mk文件在mk中所有的LOCAL_SHARED_LIBRARIES地方添加LOCAL_SHARED_LIBRARIES：=\libcutils\libutils2.在c中添加：#include #include #include #include #define NE_FOL... 阅读全文

摘要：using namespace std;class TestNew {private: int ID;public: TestNew(int ID); ~TestNew();};TestNew::TestNew(int ID) { //this->ID = ID; cout ID << " 执行析构函数" << std::endl;}void Test() { TestNew test(1); //创建对象1,不使用new,在栈上创建，用完内存会自动释放回收 cout << "--------" << 阅读全文

摘要：//============================================================================// Name : HelloWorld.cpp// Author : // Version :// Copyright : Your copyright notice// Description : Hello World in C++, Ansi-style//=======================================================================... 阅读全文

摘要：1.#include using android::CallStack;2.... 3.CallStack stack; 4.stack.update(); 5.stack.dump("xxx");注意：此方法只适合c++，不适合c，因为c不存在这种::命名空间。 阅读全文

摘要：验证decode，把此格式的图片放到图库里面，看gallery 显示(decode)出来的是否正常。验证encode，jpg的encode用手机就能验，拍照片用hw的encode，在gallery裁剪照片然后保存成jpg是sw encode，decode验证同上。至于png和webp的encode验证，用以下程序即可：#include "SkBitmap.h"#include "SkPaint.h"#include "SkCanvas.h"#include "SkColorPriv.h"#include " 阅读全文

摘要：1.CString -->TCHR* CString s = "XXXXX"; TCHAR filename[270]; _tcscpy(filename,bitmapPath); 阅读全文

摘要：判断路径是否存在，若不存在，则创建CString namep = _T("e:\\fb\\"); if(!PathIsDirectory(namep)){ CreateDirectory(namep,NULL); //if create fail,alert message box. //MessageBox(L"Cannot create save path!", NULL, MB_OK); //return; }拼接string和int int imagenum = xxx;//变量 char* nam... 阅读全文

摘要：#include "MyGame.h"#include #include #include #include int MyGame::totalparticipants = 0;int main(){ //char src[] = "1234567890"; //char src[] = "12345"; char src[] = "1234"; int len = strlen(src); //4 char dst[5]; int dlen = _countof(dst); //5 errno_t err = s 阅读全文

摘要：c++ for(int i = 0; i < 10; i++) { for(int j = 0; j < 19-i; j++) { if (j < i) { cout << " "; //System.out.print(" "); } else { //if (j < 19 - 2i){ cout << "M"; //System.out.print("M"); } } cout << "\n"; }打印结果：MMMMMMMMMMMM 阅读全文