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How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]
...ined macros can be found here.
Here is an example for gcc:
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)
//define something for Windows (32-bit and 64-bit, this part is common)
#ifdef _WIN64
//define something for Windows (64-bit only)
#else
//d...
Best practices for circular shift (rotate) operations in C++
...ed it to rotate by the width of the type (using fixed-width types like uint32_t).
#include <stdint.h> // for uint32_t
#include <limits.h> // for CHAR_BIT
// #define NDEBUG
#include <assert.h>
static inline uint32_t rotl32 (uint32_t n, unsigned int c)
{
const unsigned int ma...
When to use NSInteger vs. int
...
322
You usually want to use NSInteger when you don't know what kind of processor architecture your...
Favicon dimensions? [duplicate]
...
Short answer
The favicon is supposed to be a set of 16x16, 32x32 and 48x48 pictures in ICO format. ICO format is different than PNG. Non-square pictures are not supported.
To generate the favicon, for many reasons explained below, I advise you to use this favicon generator. Full disc...
How to make/get a multi size .ico file? [closed]
... that, e.g. on Windows, the 16x16 size is used for the app's top bar but a 32x32 size version is used when the various open apps are shown when using Alt-Tab). Once I have that .ico file, I know how to use it within my widget toolkit to get this effect, but I don't know how to get it.
...
Generate MD5 hash string with T-SQL
Is there a way to generate MD5 Hash string of type varchar(32) without using fn_varbintohexstr
9 Answers
...
How to shut down the computer from C#
...()
{
ManagementBaseObject mboShutdown = null;
ManagementClass mcWin32 = new ManagementClass("Win32_OperatingSystem");
mcWin32.Get();
// You can't shutdown without security privileges
mcWin32.Scope.Options.EnablePrivileges = true;
ManagementBaseObject mboShutdownParams =
...
What is a lambda (function)?
... instance, here's a C# piece of code that doesn't use a lambda:
public Int32 Add(Int32 a, Int32 b)
{
return a + b;
}
public Int32 Sub(Int32 a, Int32 b)
{
return a - b;
}
public delegate Int32 Op(Int32 a, Int32 b);
public void Calculator(Int32 a, Int32 b, Op op)
{
Console.WriteLine("C...
'uint32_t' identifier not found error
...stom integer types to the types expected by C. For example:
typedef __int32 int32_t;
typedef unsigned __int32 uint32_t;
/* ... etc. ... */
Hope this helps!
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How do I show a console output/window in a forms application?
...oad(object sender, EventArgs e)
{
AllocConsole();
}
[DllImport("kernel32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
static extern bool AllocConsole();
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