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shared_ptr to an array : should it be used?
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With C++17, shared_ptr can be used to manage a dynamically allocated array. The shared_ptr template argument in this case must be T[N] or T[]. So you may write
shared_ptr<int[]> sp(new int[10]);
From n4659, [util.smartptr...
What is the meaning of single and double underscore before an object name?
...re convention is widely used not just for private names, but also for what C++ would call protected ones -- for example, names of methods that are fully intended to be overridden by subclasses (even ones that have to be overridden since in the base class they raise NotImplementedError!-) are often s...
Parsing command-line arguments in C?
...to build it (gcc-7.3) and found that the library builds and works, but the C++ test could do with some minor work. iostream.h should become iostream, and using namespace std; should be added. I will mention it to James. This only affects the C++ API test, not the code itself.
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Create a pointer to two-dimensional array
...Note that this only works in C, because T[] and T[N] are compatible types. C++ does not have a concept of compatible types, and so it will reject that code, because T[] and T[10] are different types.
The following alternative doesn't work at all, because the element type of the array, when you v...
NtMapViewOfSection注入 - C/C++ - 清泛网 - 专注C/C++及内核技术
NtMapViewOfSection注入新的注入方式:利用一个未公开函数NtMapViewOfSection在远程进程地址空间写入代码，并且用一种新的技术在远程进程中执行它，这种技术完全工...新的注入方式:利用一个未公开函数NtMapViewOfSection在远程进程地址空...
div布局居中的方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
div布局居中的方法本文简单介绍一种万能的div居中的方法，背景div横铺float:left，然后指定显示div宽度并设置margin:auto。思路：背景div横铺float:left，然后指定显示div宽度并设置margin:auto。代码如下：
<div class="testbg">
<div class="te...
register int i;的含义 - C/C++ - 清泛网 - 专注C/C++及内核技术
register int i;的含义register声明的作用是为了提高效率。它明确要求CPU把变量始终保存在寄存器里面，直至它消亡。不过现代编译器都很厉害，根本不需要你多此一...register声明的作用是为了提高效率。
它明确要求CPU把变量始终...
应用程序无法正常启动0xc0150002 - C/C++ - 清泛网 - 专注C/C++及内核技术
应用程序无法正常启动0xc0150002MFC写的程序启动不了，报错 0xc0150002。-----------------------解决思路-------------------------打开Windows事件查看器(我的电脑右键...MFC写的程序启动不了，报错 0xc0150002。
-----------------------解决思路-----------...
[完整源码实例] 修改 CListCtrl 的标题栏字体颜色；重绘 CListCtrl 标题栏 ...
[完整源码实例] 修改 CListCtrl 的标题栏字体颜色；重绘 CListCtrl 标题栏如果只需设置标题栏字体的话，无需自绘CHeaderCtrl，部分代码如下：CFont *f = new CFont; f->CreateFont(13, nHeight ...如果只需设置标题栏字体的话，无需自绘CHeaderC...
MFC GDI中位图的显示 位图绘制 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC GDI中位图的显示 位图绘制使用BitBlt 或StretchBlt TransparentBlt 绘制，代码如下： 画按钮图标CBitmap bitmap;bitmap.LoadBitmap( IDB_BITMAP_BTN_IMAGES );...使用BitBlt 或 StretchBlt/TransparentBlt 绘制，代码如下：
//画按钮图标
CBitmap bitmap;
bitmap.Lo...