??? ???? C#?? C/C ??? ?? ??
??
? ???? C/C ??? ???? ??? ??? ??? ?? C# ??? ???? ??? ?????. C/C ??? ??? ????.
typedef struct OldStuff {
CHAR Name[8];
UInt32 User;
CHAR Location[8];
UInt32 TimeStamp;
UInt32 Sequence;
CHAR Tracking[16];
CHAR Filler[12];
} OldStuff;
NewStuff??? C# ??? ??? ?? ?????.
[StructLayout(LayoutKind.Explicit, Size = 56, Pack = 1)]
public struct NewStuff
{
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 8)]
[FieldOffset(0)]
public string Name;
[MarshalAs(UnmanagedType.U4)]
[FieldOffset(8)]
public uint User;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 8)]
[FieldOffset(12)]
public string Location;
[MarshalAs(UnmanagedType.U4)]
[FieldOffset(20)]
public uint TimeStamp;
[MarshalAs(UnmanagedType.U4)]
[FieldOffset(24)]
public uint Sequence;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 16)]
[FieldOffset(28)]
public string Tracking;
}
??? ???
???? ??? ???? ???? Marshal.PtrToStructure:
int BufferSize = Marshal.SizeOf(typeof(NewStuff)); byte[] buff = new byte[BufferSize]; Array.Copy(SomeByteArray, 0, buff, 0, BufferSize); handle = GCHandle.Alloc(buff, GCHandleType.Pinned); MyStuff = (NewStuff)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(NewStuff)); handle.Free();
?? ??
?? ?? ?? ?? ??? ?? ??? ???? ??? ???????. ?? ?? ?? ???? ?????.
GCHandle handle;
NewStuff MyStuff;
handle = GCHandle.Alloc(SomeByteArray, GCHandleType.Pinned);
try
{
MyStuff = (NewStuff)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(NewStuff));
}
finally
{
handle.Free();
}
?? ???? ???? ?? ??? ??? ??? ?? ????(???? ?? ?? ??).
- ??:
T ByteArrayToStructure<T>(byte[] bytes) where T : struct
{
T stuff;
GCHandle handle = GCHandle.Alloc(bytes, GCHandleType.Pinned);
try
{
stuff = (T)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(T));
}
finally
{
handle.Free();
}
return stuff;
}
- ? ??(???? ??):
unsafe T ByteArrayToStructure<T>(byte[] bytes) where T : struct
{
fixed (byte* ptr = &bytes[0])
{
return (T)Marshal.PtrToStructure((IntPtr)ptr, typeof(T));
}
}
BinaryReader? ???? ?? ??
???? ????? ?? ? Marshal.PtrToStructure? ????? ??? ?? BinaryReader ???? ???? ???? ?? ???? ?? ??? ??? ? ????. ??? ??? ??? ???? ??? ????? ?? ??? ???? ???.
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???? ?? ??? ??? ?? AI ?? ?
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Clothoff.io
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std :: Chrono ?? c
Jul 15, 2025 am 01:30 AM
STD :: Chrono? ?? ?? ??, ?? ?? ??, ?? ?? ? ?? ?? ? ?? ?? ??? ???? C?? ???? ??? ?????. 1. std :: chrono :: system_clock :: now ()? ???? ?? ??? ?? ? ??? ?? ??? ???? ?? ? ? ??? ??? ??? ???? ?? ?? ? ????. 2. std :: Chrono :: steady_clock? ???? ?? ??? ???? ?? ??? ???? duration_cast? ?? ?? ?, ? ? ?? ??? ??????. 3. ?? (time_point) ? ?? (??)? ?? ??? ? ? ??? ?? ??? ? ?? epoch (epoch)???? ???????.
C? ??? ???? ??????
Jul 04, 2025 am 01:09 AM
???? ?????? ??? ?? ???? ?? ? ??? ????? ???? ????? ??????. 1. ??? ?? ???? ????, ?? ??? ?? ?? ??? ????? (??? ?? C? std :: atomic? ?????). 2. ? ???? ??? ?? ? ?? ?? ???? ?? ???. 3. ??? ?? ??? ???? ???? ??? ????? ?? ? ??? ????? ??????. 4. ?????,? ?? ??? ?? ????? ?? ?? ??? ??? ?? ?? ?? ???? ?????. 5. ??? ?? ?? ??? ?? ? ? ??? ??? ??? ??? ??? ????.
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Jul 07, 2025 am 01:41 AM
C : 1?? ?? ????? ?? ??? ?? ??? ????. Linux ????? Backtrace ? Backtrace_symbols ??? ??????. ?? ?? ? ?? ?? ??? ???? ??? ? ? -rdynamic ?? ??? ???????. 2. Windows ????? CaptUreStackBackTrace ??? ???? DBGHELP.LIB? ???? PDB ??? ???? ?? ??? ?? ???????. 3. GoogleBreakPad ?? Boost.StackTrace? ?? ?? ?????? ???? ?? ??? ? ?? ?? ??? ??????. 4. ?? ???? ?? ??? ???? ?? ???? ?? ??? ???? ?????.
C?? Python? ???? ???
Jul 08, 2025 am 12:40 AM
C?? Python Code? ????? ?? ???? ??? ? ?? ???, ?? ?? ?? ??? ???? ?? ??? ?? ? ? ????. 1. Py_Initialize ()? ?????? ????? py_finalize ()? ????. 2. pyrun_simplefile? ???? ??? ?? ?? pyrun_simplefile? ?????. 3. pyimport_importmodule? ?? ?? ?? ??, pyobject_getattrstring? ?? ??? ???? py_buildvalue? ?? ??? ???? ??? ???? ???? ??
C? ??? ??? ??? ??????
Jul 05, 2025 am 01:44 AM
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Jul 12, 2025 am 02:15 AM
C??, POD (PANDALDATA) ??? ??? ??? ?? ??? ???? C ?? ??? ??? ?????. ??? ? ?? ??? ????????. ??? ??? ?? ???? ???, ?? memcpy? ?? ?? ? ? ????. ?? ????? ?? ??? ??? ??? ? ????. ?? ?? ???? ??? ?????. ?? ? ?? ??? ??, ??? ?? ??? ?? ???, ?? ?? ?? ?? ??? ?? ? ?? ? ?? ?? ??? ?????. ?? ?? structpoint {intx; inty;}? pod???. ??? ???? ???? I/O, C ?? ???, ?? ??? ?? ?????. std :: is_pod? ?? ??? POD?? ??? ? ??? C 11 ??? std :: is_trivia? ???? ?? ????.
C? ? ??? ? ??????
Jul 09, 2025 am 02:38 AM
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Jul 12, 2025 am 01:34 AM
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