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C99 stdint.h header and MS Visual Studio
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And to use literal uint64_t values it is useful to #define U64(u) (u##ui64) on Windows and to #define U64(u) (u##ULL) otherwise.
– Niklas
Aug 14 '13 at 11:12
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C++形参与实参的区别（实例解析） - C/C++ - 清泛网 - 专注C/C++及内核技术
...，而实参中的值不会变化。
参考如下示例：
void Exchg1(int x, int y)
{
int tmp;
tmp=x;
x=y;
y=tmp;
printf("Exchg1:x=%d,y=%d\n",x,y);
}
void Exchg2(int &x, int &y)
{
int tmp;
tmp=x;
x=y;
y=tmp;
printf("Exchg2:x=%d,y=%d\n",x,y);
}
void Exchg3(int *x, int...
获取控件的值的几种方法总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...总结最简单直观的：CString str;GetDlgItemText(IDC_EDIT_TEST, str);int d=atoi(str.GetBuffer(0));更优雅的：.h：int m_editTest;.cpp：v...最简单直观的：
CString str;
GetDlgItemText(IDC_EDIT_TEST, str);
int d=atoi(str.GetBuffer(0));
更优雅的：
.h：int m_editTest;
.cp...
error C2758: “ConstInit::cival”: 必须在构造函数基/成员初始值设定项列...
...：
//const成员初始化
class ConstInit {
public:
ConstInit(int i,int j)
{
ival = i;
cival = j;
rival = ival;
}
private:
int ival;
const int cival;
int &rival;
};
int main(int argc, char *argv[])
{
ConstInit ci;
}
这里引用...
c++ 经典的快速排序QuickSort完整代码片 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...原文有个bug，本文已修正代码如下： include <iostream>void printArray(int *array, int n){ for (int i = 0 c++快速排序算法实现，经典的一种写法，来自Github，原文有个bug，本文已修正代码如下：
#include <iostream>
void printArray(int *array, int n...
Which is faster: Stack allocation or Heap allocation
...ance out of heap allocation, but that comes with a slight added complexity and its own headaches.
Also, stack vs. heap is not only a performance consideration; it also tells you a lot about the expected lifetime of objects.
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Returning a value from thread?
...losures. Create a variable that will hold the return value from the thread and then capture it in a lambda expression. Assign the "return" value to this variable from the worker thread and then once that thread ends you can use it from the parent thread.
void Main()
{
object value = null; // Used...
onActivityResult is not being called in Fragment
...ityResult(), but it did not make a call to super.onActivityResult() for unhandled result codes. Apparently, even though the fragment is the one making the startActivityForResult() call, the activity gets the first shot at handling the result. This makes sense when you consider the modularity of frag...
How do I decode a base64 encoded string?
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Simple:
byte[] data = Convert.FromBase64String(encodedString);
string decodedString = Encoding.UTF8.GetString(data);
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improve this answer...
Undefined behavior and sequence points
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C++98 and C++03
This answer is for the older versions of the C++ standard. The C++11 and C++14 versions of the standard do not formally contain 'sequence points'; operations are 'sequenced before' or 'unsequenced' or 'indetermina...