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Recent questions tagged c++
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c++ - Why there is no compile error for the array definition with non-constant value?
I thought I should get compile error for the following char array definition of the allData: void MyClass::aMethod( ... give a run-time error? See Question&Answers more detail:os...
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c++ - Get file's owner and group using boost
I want to get the owner and group from a file using boost::filesystem, but never found any way to do so. ... ++ library rather than C functions. See Question&Answers more detail:os...
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c++ - Is there an implicit memory barrier with synchronized-with relationship on thread::join?
I have a code at work that starts multiple threads that doing some operations and if any of them fail they ... to write to success variable. See Question&Answers more detail:os...
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c++ - No compilation error or run time error when index out of range of vector class?
When I was using vector class, I found out that there is no compilation error or run time error when indexing out ... of the range of a vector? See Question&Answers more detail:os...
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c++ - Overflow issues when implementing math formulas
I heard that, when computing mean value, start+(end-start)/2 differs from (start+end)/2 because the latter ... formula that can avoid overflow. See Question&Answers more detail:os...
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c++ - Initializing entire array with memset
I have initialised the entire array with value 1 but the output is showing some garbage value. But this program works ... ]<<endl; return 0; } See Question&Answers more detail:os...
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c++ - Derive from template constructor of template base class
Just curious, is it ever possible to inherit from a template class and in constructor of the derived class, ... about the language flexibility. See Question&Answers more detail:os...
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c++ - How Can I Tell if My struct tm Has Been Left in an Invalid State?
This is a question about invalid input, not invalid formatting. For example given the following code: tm bar; ... that the input was invalid? See Question&Answers more detail:os...
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c++ - boost spirit parse with the source
I would like to be able to parse a Number, to store its original source and to track its position in the ... the problem - in whatever way. See Question&Answers more detail:os...
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c++ - Why do class member functions defined outside the class (but in header file) have to be inlined?
I have read existing answers on the two meanings of inline, but I am still confused. Let's assume we ... be explicitly defined with inline? See Question&Answers more detail:os...
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c++ - std::mutex in shared memory not working
I have a scenario where the shared memory area is exclusively accessed by two different processes. When I launch the ... me what I am missing. See Question&Answers more detail:os...
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c++ - How to use carriage return with multiple line?
When I want to print out another text in the same line, I can do this: int i = 0; string text = "Paragraph ... . How can I retain it's position? See Question&Answers more detail:os...
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c++ - Increment operator on pointer of array errors?
I'm trying something very simple, well supposed to be simple but it somehow is messing with me... I am trying ... ? Thanks a lot all experts! See Question&Answers more detail:os...
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c++ - How is the expression x---y parsed? Is it a legal expression?
How is the expression x---y parsed? Is it a legal expression? See Question&Answers more detail:os...
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c++ - Templated Functions.. ERROR: template-id does not match any template declaration
I have written a function template and an explicitly specialized templated function which simply takes in 3 arguments and ... << endl; } } See Question&Answers more detail:os...
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c++ - How to start a Shell Script with QProcess?
How can I start a Shell Script using QProcess? The Shell Script has eight different commands in it, some with ... How to make it work? See Question&Answers more detail:os...
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Oct 24, 2021
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c++ - Number of swaps in Bubble Sort
I have a version of bubble sort: int i, j; for i from n downto 1 { for j from 1 to i-1 { if ... the correct way or am I missing something? See Question&Answers more detail:os...
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c++ - How to decompress gzipstream with zlib
Can someone tell me which function I need to use in order to decompress a byte array that has been compressed with ... function(s) I should use. See Question&Answers more detail:os...
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c++ - SDL Mouse Click
So, I'm currently working on an options menu for my game, I have a button that when pressed it changes it's ... .button.button; } return 0; } See Question&Answers more detail:os...
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c++ - IAudioSessionNotification, anyone have working code?
I'm picking up some experimental code I was messing with in the Windows 7 Beta now that I've installed the RC. ... see what I'm doing wrong? See Question&Answers more detail:os...
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c++ - Writing Unicode Characters to an OStream
I'm working with unicode/wide characters and I'm trying to create a toString method (Java ::toString equiv). ... is unicode coming out of it? See Question&Answers more detail:os...
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Oct 24, 2021
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c++ - Open windows file/folder properties dialog from C
I have this tiny programm, which is intened to show windows file/folder properties dialog on the specified info. ... ? Am I missing something? See Question&Answers more detail:os...
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1
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c++ - "Inherited" types using CRTP and typedef
The following code does not compile. I get an error message: error C2039: 'Asub' : is not a member of 'C' Can ... (C::Asub()); return 0; } See Question&Answers more detail:os...
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c++ - terminate called after throwing an instance of 'std::system_error'
When i use std::call_once in Linux version 2.6.36,it makes an error: terminate called after throwing an instance of 'std ... ,[]{}); return 0; } See Question&Answers more detail:os...
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703
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c++ - C++11 enum with class members and constexpr link-time optimization
In my project I have a lot of enumerations that need to have additional attributes associated with the enumeration ... this a justified concern? See Question&Answers more detail:os...
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c++ - C++11 type to enum mapping?
I have an enum like: enum E { TYPE_FLOAT, TYPE_CHAR, TYPE_INT } And I want to create a compile-time mapping to ... do this? And why the error? See Question&Answers more detail:os...
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c++ - QDialog remove title bar
The net is flooded with similar questions, but for all I have seen nothing suits to solve the problem at hand. In ... and the title bar ??? See Question&Answers more detail:os...
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c++ - Can I call functions that take an array/pointer argument using a std::vector instead?
I want to rewrite some code that uses a lot of unsigned char arrays, to instead make use of std::vector<unsigned ... array. Is it this simple? See Question&Answers more detail:os...
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