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Recent questions tagged C++
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c++ - Using CreateWindowEx to Make a Message-Only Window
I'm trying to use CreateWindowEx to generate a message-only window: _hWnd = CreateWindowEx( 0, NULL, NULL, 0, 0, ... 0. What am I doing wrong? See Question&Answers more detail:os...
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c++ - Template specialization based on inherit class
I want to make this specialized w/o changing main. Is it possible to specialize something based on its base class? ... main() return 0; } See Question&Answers more detail:os...
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c++ - Displaying SVG in OpenGL without intermediate raster
I have some simple SVG artwork (icon and glyph kind of things) which I want to display in an OpenGL app ( ... of anything which can do this ? See Question&Answers more detail:os...
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c++ - understanding the dangers of sprintf(...)
OWASP says: "C library functions such as strcpy (), strcat (), sprintf () and vsprintf () operate on ... overflow Please confirm/deny. Thanks See Question&Answers more detail:os...
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c++ - what happens when i mix signed and unsigned types ?
I'm studying the C++ language and i have some doubt about type conversion, could you explain me what happens ... now should be 10 -4294967254. See Question&Answers more detail:os...
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c++ - Is boost shared_ptr <XXX> thread safe?
I have a question about boost::shared_ptr<T>. There are lots of thread. using namespace boost; class ... destroy the shared_ptr<CResource>? See Question&Answers more detail:os...
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c++ - Is wchar_t needed for unicode support?
Is the wchar_t type required for unicode support? If not then what's the point of this multibyte type? Why would ... the same thing with char? See Question&Answers more detail:os...
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c++ - VC++ fatal error LNK1168: cannot open filename.exe for writing
Suddenly, my Visual Studio Express 2010 C++ stopped rebuilding my project. When I first hit F7 the project ... updates Any ideas, please? See Question&Answers more detail:os...
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c++ - Problems using member function as custom deleter with std::shared_ptr
I'm trying to work out how to use std::shared_ptr with a custom deleter. Specifically, I'm using it ... Game class that is causing problems? See Question&Answers more detail:os...
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c++ - Deprecated throw-list in C++11
Just as I can see in cppreference, the classic "throw" declaration lists is now deprecated in C++11. What ... throws a function of mine? See Question&Answers more detail:os...
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c++ - error: Class has not been declared despite header inclusion, and the code compiling fine elsewhere
So I have a class included in another class that keeps throwing a compile error of the form "error: 'ProblemClass' has ... .1 in win 7 64 bit. See Question&Answers more detail:os...
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c++ - C++11 variable number of arguments, same specific type
Question is simple, how would I implement a function taking a variable number of arguments (alike the variadic template ... on the types work? See Question&Answers more detail:os...
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c++ - C++11 - declaring non-static data members as 'auto'
Does C++11 allow declaring non-static data members as 'auto' if they are initialized in the declaration? ... as declaring local variables auto. See Question&Answers more detail:os...
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c++ - Loop with a zero execution time
Is it possible to have a loop which has a zero execution time? I would think that even an empty loop ... is an overhead associated with it. See Question&Answers more detail:os...
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c++ - Precise thread sleep needed. Max 1ms error
I have thread that runs loop. I need that loop to be run once every 5ms (1ms error). I know that Sleep( ... want to have 100% CPU loaded either. See Question&Answers more detail:os...
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c++ - Name of process for active window in Windows 8/10
The following sample has reliably returned the name of the process that is associated with the active window, but ... active. Thanks in advance! See Question&Answers more detail:os...
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c++ - Visitor Pattern Explanation
So I've read up all the documentation about the Visitor pattern, and I'm still mightily confused. I've taken ... way visited->accept(visitor); See Question&Answers more detail:os...
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c++ - allocating vectors (or vectors of vectors) dynamically
I need to dynamically allocate 1-D and 2-D arrays whose sizes are given at run-time. I managed to "discover" ... , std::vector<double>(sizeY)); See Question&Answers more detail:os...
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c++ - Printing double without losing precision
How do you print a double to a stream so that when it is read in you don't lose precision? I tried: std:: ... Next: How do we handle NaN/Inf? See Question&Answers more detail:os...
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c++ - Why isn't there an operator[] for a std::list?
Can anyone explain why isn't the operator[] implemented for a std::list? I've searched around a bit but ... implement or am I missing something? See Question&Answers more detail:os...
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c++ - What is the COMDAT section used for?
I see the /Gy option and am wondering why I would use it? http://msdn.microsoft.com/en-us/library/xsa71f43.aspx See Question&Answers more detail:os...
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c++ - Performance wise, how fast are Bitwise Operators vs. Normal Modulus?
Does using bitwise operations in normal flow or conditional statements like for, if, and so on increase overall performance and ... (i % 2) { } See Question&Answers more detail:os...
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c++ - reading an application's manifest file?
Is there an easy way to read an application's already embedded manifest file? I was thinking along the lines of an alternate data stream? See Question&Answers more detail:os...
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c++ - Why does this simple std::thread example not work?
Tried the following example compiled with g++ -std=gnu++0x t1.cpp and g++ -std=c++0x t1.cpp but both of ... 5.2 Anyone knows what I've missed? See Question&Answers more detail:os...
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350
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c++ - Correct usage(s) of const_cast<>
As a common rule, it is very often considered a bad practice to use const_cast<>() in C++ code as it ... you encountered ? Thank you very much. See Question&Answers more detail:os...
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c++ - Reinterpret_cast vs. C-style cast
I hear that reinterpret_cast is implementation defined, but I don't know what this really means. Can you provide an ... to use C-Style cast? See Question&Answers more detail:os...
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c++ - Using std::move() when returning a value from a function to avoid to copy
Consider a type T supporting the default move semantics. Also consider the function below: T f() { T t; return t; } ... ; return std::move(t); } See Question&Answers more detail:os...
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c++ - Is there a standard way of moving a range into a vector?
Consider the following program which inserts a range of elements into a vector: vector<string> v1; vector<string> v2 ... a range into a vector? See Question&Answers more detail:os...
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