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Byte array to image conversion
...eyond my note.
Related answer: C# - RGB Buffer from Bitmap different from C++
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What and where are the stack and heap?
...r program starts.
Heap:
Stored in computer RAM just like the stack.
In C++, variables on the heap must be destroyed manually and never fall out of scope. The data is freed with delete, delete[], or free.
Slower to allocate in comparison to variables on the stack.
Used on demand to allocate a blo...
How can I use functional programming in the real world? [closed]
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You didn't mention, but I'm assuming, that you're using C++. One potentially easy way to get into functional is via C++/CLI to F#. C++ contains "magic pixie dust" (called IJW: It Just Works) to allow you to call into and out of managed code. With this, calling F# code is almost as...
Creating your own header file in C
...tions you define in a .c or .cpp/.cxx file (depending if you're using c or c++). You want to place #ifndef/#defines around your .h code so that if you include the same .h twice in different parts of your programs, the prototypes are only included once.
client.h
#ifndef CLIENT_H
#define CLIENT_H
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grep, but only certain file extensions
...eded by its relative line number in the file
--include \*.cpp: all *.cpp: C++ files (escape with \ just in case you have a directory with asterisks in the filenames)
./: Start at current directory.
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Disable single warning error
...0000) // (suppress one error in the next line)
This pragma is valid for C++ starting with Visual Studio 2005.
https://msdn.microsoft.com/en-us/library/2c8f766e(v=vs.80).aspx
The pragma is NOT valid for C# through Visual Studio 2005 through Visual Studio 2015.
Error: "Expected disable or restore"...
How do I “decompile” Java class files? [closed]
...e most popular Java decompiler, but primarily of this age only. Written in C++, so very fast.
Outdated, unsupported and does not decompile correctly Java 5 and later
So your mileage may vary with recent jdk (7, 8).
The same site list other tools.
And javadecompiler, as noted by Salvador Valenc...
Is it feasible to compile Python to machine code?
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Try ShedSkin Python-to-C++ compiler, but it is far from perfect. Also there is Psyco - Python JIT if only speedup is needed. But IMHO this is not worth the effort. For speed-critical parts of code best solution would be to write them as C/C++ exten...
std::cin input with spaces?
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@Kevin Meh, it happens. C++ isn't exactly as intuitive as we would like it to be.
– Pete
Apr 30 '11 at 0:54
62
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Is there a way to make R beep/play a sound at the end of a script?
...at('\a'), thanks for the tip. As a side note one can also do '\a' in C and C++ (which is how I have been using it to notify me of things being done). A second side note, if you are on OS X and do 'System Preferences' > 'Universal Access' > 'Hearing' > enable 'Flash the screen...' your whol...