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How to get device make and model on iOS?
...turn identifier }
return identifier + String(UnicodeScalar(UInt8(value)))
}
return identifier
}
}
print(UIDevice.current.modelName)
The result should be:
// Output on a simulator
@"i386" on 32-bit Simulator
@"x86_64" on 64-bit Simul...
How to check file MIME type with javascript before upload?
... = new FileReader();
fileReader.onloadend = function(e) {
var arr = (new Uint8Array(e.target.result)).subarray(0, 4);
var header = "";
for(var i = 0; i < arr.length; i++) {
header += arr[i].toString(16);
}
console.log(header);
// Check the file signature against known types
};
...
reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
...llowing
data types are atomic: bool, char,
byte, sbyte, short, ushort, uint, int,
float, and reference types."
So, you can write to the volatile reference without risk of getting a corrupted value.
You should of course be careful with how you decide which thread should fetch the new data, t...
SHFileOperation函数总结（文件夹的移动、复制、删除） - C/C++ - 清泛网 -...
...OPSTRUCT
{
HWND hwnd; //父窗口句柄
UINT wFunc; //要执行的动作
LPCTSTR pFrom; //源文件路径，可以是多个文件
LPCTSTR pTo; //目标路径，可以是路径或文件名
FILEOP_FLAGS...
How do I shutdown, restart, or log off Windows via a bat file?
...ctual function signature for ExitWindowsEx is:
BOOL WINAPI ExitWindowsEx(UINT uFlags, DWORD dwReserved);
in 2011: "Throwing garbage on the sidewalk: The sad history of the rundll32 program"
And to make it crystal-clear:
in 2013 "What's the guidance on when to use rundll32? Easy: Don't use i...
What encoding/code page is cmd.exe using?
...<stdio.h>
#include <windows.h>
int main() {
int c, n;
UINT oldCodePage;
char buf[1024];
oldCodePage = GetConsoleOutputCP();
if (!SetConsoleOutputCP(65001)) {
printf("error\n");
}
freopen("uc-test-UTF-8-nobom.txt", "rb", stdin);
n = fread(buf, si...
MFC RadioButton用法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...数
virtual BOOL OnInitDialog();
afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
afx_msg void OnPaint();
afx_msg HCURSOR OnQueryDragIcon();
DECLARE_MESSAGE_MAP()
public:
BOOL m_Radio1;
BOOL m_Radio3;
BOOL m_Radio7;
BOOL m_R...
VC 对话框背景颜色、控件颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
}
方法三 ：重载OnCtlColor (CDC* pDC, CWnd* pWnd, UINT nCtlColor)，即WM_CTLCOLOR消息。具体步骤如下（以上例工程为准）：
①在CExampleDlgDlg的头文件中，添加一个CBrush的成员变量：
class CExampleDlgDlg : public CDia...
Determine if string is in list in JavaScript
... , 2] to undefined. includes also works on JavaScript typed arrays such as Uint8Array.
If you're concerned about browser support (such as for IE or Edge), you can check Array.includes at CanIUse.Com, and if you want to target a browser or browser version that's missing includes, I recommend polyfill...
Modulo operation with negative numbers
... an "int" in this case, rather than "unsigned" even when both operands are uint32_t or bigger.
– Frederick Nord
Sep 24 '16 at 14:56
...