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Marshal.PtrToStructure ??
? ???? ??? ??? ???? Marshal.PtrToStructure? ???? ???? C# ??? ?? ???? ??? ?????.
NewStuff ByteArrayToNewStuff(byte[] bytes)
{
GCHandle handle = GCHandle.Alloc(bytes, GCHandleType.Pinned);
try
{
NewStuff stuff = (NewStuff)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(NewStuff));
return stuff;
}
finally
{
handle.Free();
}
}
???? ??
? ?? ??? ???? ??? ???? ?? ??? ??? ??? ? ????.
T ByteArrayToStructure<T>(byte[] bytes) where T : struct
{
GCHandle handle = GCHandle.Alloc(bytes, GCHandleType.Pinned);
try
{
return (T)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(T));
}
finally
{
handle.Free();
}
}
???? ??
??? ??????? ?? ???? ?? ?? ??? ?????.
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? Marshal.PtrToStructure? ???? ???? ??? ???? ???? ?? ? ????. ??? ??? ?? ????? ????? ????? ??? ??? ???????? ???? ????. Marshal.PtrToStructure? ?? ?? ?? ?? ????? ?? ????? ??? ? ????.
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Sep 16, 2025 am 05:29 AM
InstallaC compilerlikeg usingpackagemanagersordevelopmenttoolsdependingontheOS.2.WriteaC programandsaveitwitha.cppextension.3.Compiletheprogramusingg hello.cpp-ohellotogenerateanexecutable.4.Runtheexecutablewith./helloonLinux/macOSorhello.exeonWi
C ??? ?? ?? ? ?
Sep 17, 2025 am 08:45 AM
Custom ???? ???? C ????? ??? ?? ??? ?? ? ? ????. 1. ??? LoggingAllocator? ??, ??, ?? ? ??? ?????? ??? ?? ??? ?????. 2. ???? STL ???? ?? ?? ?? ??? ????? ?? value_type ? Rebind ???? ???????. 3. ???? ?? ? ?? ?? ?? ??? ?????, ?? ????? ????? ?????. 4. ?? ???????? ??? ?, ?? ???, ??? ?? ? ???? ???? ?????. 5. C 17 ??? ?? ? ??? ????? std :: allocator_traits? ?? ?? ? ? ????.
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Sep 21, 2025 am 04:35 AM
STD :: SYSTEM () ??? ???? System ??? ???? System ??? ???? STD :: SYSTEM ( "LS-L")? ?? C ??? ??? ??? ?????? ?? ?? -1??? ?? ????? ??? ? ????.
CMake? C ????? ???? ??? ??????
Sep 18, 2025 am 01:04 AM
cmakelists.txt, src/? ??? ???? ???? ??? ????/; 2. cmakelists.txt ??, cmake ??, ???? ??, c ?? ? ?? ?? ??? ??????. 3. mkdirbuild? ???? ????? ???? cmake .. ? cmake-??? ??????. ???? ??; 4. Add_Executable? ?? ?? ?? ??? ???? Target_include_Directories? ???? ?? ?? ??? ?????. 5. find_package? ???? ?? ?????? ?? target_link_libraries? ??????. 6.
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Sep 21, 2025 am 05:16 AM
C? ??? STL? ???? ??????. ?? ?? ??? ??? ????? ?? ??? ???????. ??? ??? ????, ?? ?? ??? ????, ?? ??? ??? ??????. ?? ?? ?? ?? ? ? ??? ?? ????? ?? ???? ? ? ??? ??????.
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Sep 24, 2025 am 04:59 AM
theautokeywordletstheCompilerDuceVariAbletypesfrominitializers, retingverbosity and rowingimprovingmainability.itsimplifiescodewithcomplextypes liTeratorsandlambdas, supportSqualifierstoavoidunnecessaryCopies, andAdaUtomallasticallasticallasticallasticcopies
c
Sep 20, 2025 am 01:13 AM
?? ??? ?? ?? ? ??? ?? ? ???? ???? ????. ??, value_type, ??, ???, Different_type ? iterator_category? ?? ? ?? Dereference, ycrement ? ?? ??? ??????. ?????, ????? ?? () ? end () ???? ???? ??? ????? ???? STL ???? ? ??? ??? ?????.
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Sep 19, 2025 am 05:24 AM
AstaticVariableinc? indainsvaluebetsweenfunctioncallsandisinitializedonce.2.insideafunction, itpreservesstateacrosscalls, suchascountingiterations.3.inaclass, itissharedamongallinstancesand mustedefinedoupedoutsideclasstoavoidingerrors.4.4
