Examples of programming questions in c++

Binary Search Tree Destructor
C++ how to insert array into hash set?
Copy the contents of std::vector<char> into a char* buffer?
accessing std::list in the middle
Epoll on regular files
invalid conversion from ‘const char*’ to ‘char’
DrawText VS TextOut Win32
Difference between static_cast<char*> and (char*)
What is the difference between delegate in c# and function pointer in c++?
C++ "No matching constructor for initialization of" compiler error
Calling c_str of empty string
How to convert a const char * to std::string
How to read in data from a pgm file in C++
C++: Storing structs in a stack
Static member functions error; How to properly write the signature?
Alternative to using % operator and / Operator in C++
using one ifstream variable for reading several files
C++ Console Application prompt "Run as Admin" to run as administrator?
Why aren't static data members allowed in local classes?
C++ std::shared_ptr usage and information
A simple C++ shared memory program written on linux: segmentation fault
Difference between boost::scoped_ptr<T> and std::unique_ptr<T>
How to detect the Sun from the space sky in OpenCv?
Accessing elements of a vector in C++?
How to change a vector item in C++?
Qmake: how to remove compiler flag for a certain project, without changing qmake.conf?
gdb | view the variable argument list
Set system variable from C++
Redirecting function output to /dev/null
How do I keep my Qt C++ program from opening a console in Windows?
Set background image of an openGL window
Programmatically creating Excel file in C++
Are move constructors produced automatically?
is assignment operator '=' atomic?
How to print pdf file in Qt
scientific notation's type
Segmentation fault at glGenVertexArrays( 1, &vao );
Why do std::string operations perform poorly?
Screen recorder
OpenMP and CPU affinity
Changing switch variable inside a case
How to wait until mutex unlocked?
Template function will not compile when called as a thread
Is there any way to access a local variable in outer scope in C++?
How to use the gcc installed in macports?
g++ string remove_if error
How to get the precision of high_resolution_clock?
Eclipse copy code with syntax highlighting
How to pass predicate as function parameter
GDB doesn't show function names
How to import private key in PEM format using WinCrypt and C++?
Getting arrow keys from cin
Shall we use poll() or select()?
Implementing a non template method defined in a template class
C++ stream as a member variable
Split a string into an array in C++
When to use std::begin and std::end instead of container specific versions
C++ Linker Error With Class static constexpr
stack object Qt signal and parameter as reference
Overloading static_cast?
Using hierarchy in findContours () in OpenCV?
Create a boost::shared_ptr to an existing variable
Why can't I declare a reference to a mutable object? ("reference cannot be declared mutable")
Is there an #ifdef ANDROID equivalent to #ifdef WIN32
Cannot cast array to pointer
Netbeans and MinGW-w64
Is there a native C++ alternative to the C's "memcmp"?
Why does my program hang when opening a mkfifo-ed pipe?
Intro to non-threaded async IO for C++?
invalid operator < while sorting std::list
What does BOOST_SERIALIZATION_NVP do when serializing object?
Export dll method from C++ to C#. Why I need: " extern "C"
Return type of '?:' (ternary conditional operator)
Best alternative to a typedef for a function template?
draw on desktop using visual c++
Detected memory leaks
Microcontrollers using C or C++
How to unset a specific bit in an integer
Write an Event to the Event viewer
How to Write the Range-based For-Loop With Argv?
Changing a color of a frame in QLineEdit
Rotate rectangle around its center
Unknown type name 'class'; did you mean 'Class'?
How can I copy a directory using Boost Filesystem
Undefined reference to new operator
How to delete an element from a vector while looping over it?
Implications of using an ampersand before a function name in C++?
Why C++ lambda is slower than ordinary function when called multiple times?
Is main.cpp required?
Edit where a pointer points within a function
about class declaration in header file C++
How to use GetProcessMemoryInfo in C++?
How do you find the iterator in the middle of two iterators?
Why does my application crash sometimes with a SIGSEGV when it gets closed?
memory layout of inherited class
xcode with boost : linker(Id) Warning about visibility settings
getline() not working second time in a while loop
In the main function of a C++ program, what does `return 0` do and mean?
Boolean expression (grammar) parser in c++
Nested try...catch inside C++ exception handler?
How to use QCoreApplication::postEvent to inject synthetic input events
Using Lambdas in Maps
Specifying font for many Text-elements in Qt QML
std::forward_list and std::forward_list::push_back
How to use std::atomic efficiently
Macro evaluation order
Disabling g++'s return-value optimisation
Recursive Descent Parser
setting multiple attributes for enum structure
Iterating through QTreeWidget Nodes
c++ how to get "one digit exponent" with printf
Tools to generate higher-quality error messages for template-based code?
Efficient way to reduce a vectors magnitude by a specific length?
Can const member function return a non-const pointer to a data member?
Can I build a shared library by linking static libraries?
Bilinear interpolation to enlarge bitmap images
C++11 Thread safety of Random number generators
C++: Wrapping vector<char> with istream
C++ determine if class is comparable
OpenCV Add columns to a matrix
What happens if main() does not return an int value?
How to get system environment variables using boost library?
rvalue binding confusion in C++
How to enforce use of template specialization?
Simple HTTP Server lib
C++ : inline functions with dllimport/dllexport?
Using LibCURL C++
What is the best way to determine the number of threads to fire off in a machine with n cores? (C++)
vc++ compile error RC : fatal error RC1107: invalid usage; use RC /? for
How to create a shared library (.so) in an automake script?
how to dynamically call a function in c++
C++ templates for performance?
Using class pointers vs instance
Does there exist a static_warning?
constexpr overloading
Constrain function port from Arduino
Performance 32 bit vs. 64 bit arithmetic
Is it possible to create a vector of bitsets?
Is there a use for making a protected destructor virtual?
How to declare a vector of unique_ptr's as class data member?
Multiset erase last element
map/set iterator not incrementablemap/set iterator not incrementable
Call C++ library from Java in Android
How to implement operator-> for iterator type?
Efficient way to count number of swaps to insertion sort an array of integers in increasing order
How to check if the program is run from a console?
How do I use unique_ptr for pimpl?
Using STDIN with an AllocConsole()
Providing correct move semantics
unordered_multimap - iterating the result of find() yields elements with different value
Is it possible to set timeout for std::cin?
What is the difference between big and little endian floats?
Why is GL_LEQUAL recommended for the GL depth function (and why doesn't it work for me)?
What does AFX_MANAGE_STATE(AfxGetStaticModuleState()) do exactly
X11/GLX - Fullscreen mode?
How to trace "tcmalloc : large alloc ....
Best method to create a c++ app to communicate with nginx
Decoding the parameters of a thrown C++ exception (0xE06D7363)
How to pass a reference through a parameter pack?
C++ How to inspect file Byte Order Mark in order to get if it is UTF-8?
Initialize a struct which contains vector
OpenCV imread(filename) fails in debug mode when using release libraries
Should I use unnamed namespaces in implementation files?
Parsing and Modifying LLVM IR code
Why comment parameter names rather than leave it as it is
Vertical QLabel, or the equivalent?
Can't get by "DllMain already defined" error
How to return data from QDialog?
Does C++11 standard provide something like boost::any?
Initializing reference variables with the conditional if else operator
Why does passing by reference involve a copy constructor?
g++ 4.6 issue no <bits/c++config.h> file as required by the header cstring
Pointer and vectors in C++
Get random element and remove it
C/C++ header and implementation files: How do they work?
What makes a system little-endian or big-endian?
How to load a custom binary resource in a VC++ static library as part of a dll?
What are these .pch and .ncb files in visual studio?
How to build Google's protobuf in Windows using MinGW?
How to embed the GNU Octave in C/C++ program?
Are move constructors required to be noexcept?
Automatic generation of mock classes for gmock
C++ pointer and reference with new keyword when instantiating
Disable exception handling while debugging c++ project using Google Test
std::vector, thread-safety, multi-threading
Parallelizing Sieve of Eratosthenes Algorithm for finding Prime Number
boost::asio UDP broadcasting
Is a blank return statement at the end of a function whos return type is void necessary?
sending an email from a C/C++ program in linux
QAction shortcut doesnt always work
Can functions accept abstract base classes as arguments?
How to create a trampoline function for hook
Partial match for the key of a std::map
Two files of the same name give linker error in Visual Studio
getting error for ambiguous symbol and need help to remove it
ASCII Art comments in C/C++ headers and code files
How to get the name of a Win32 Thread?
JNI objects creation and memory management
is there an iterator across unique keys in a std::multimap?
std::unordered_map very high memory usage
What's the difference between "mutex" and "lock"?
c++ use cout in class method
Linux 3.0: Executing child process with piped stdin/stdout
How to set QWidget fullscreen (but "real" fullscreen, change resolution, set modal to whole system)?
Using Cmake with Qt Creator
Code Metrics Analysis for Unmanaged C++ Code
Is it possible to connect a signal to a static slot without a receiver instance?
C/C++ #define Macro inside macro?
Convert string to mathematical evaluation
Is there a C++ library similar/equivalent to Functional Java?
What was Wrong with void main()?
Very simple program not working in c++?
Does std::vector call the destructor of pointers to objects?
C++ Creating a SIGSEGV for debug purposes
How can I make an ostream reference an ofstream? (C++)
rgb to yuv420 algorithm efficiency
Function returns BYTE array
Why should we use a friend function to define the comparison operator?
C++ select() not waiting for timeout period
Shortest distance between two degree marks on a circle?
RGB Specific Console Text Color C++
problems with scanf("%d\n",&i)
How do I get the address of elements in a char array?
EnumDisplayDevices function not working for me
What does "unspecialized class template can't be used as a template argument" mean?
Calling pure virtual function
Is there a better way to comment the parameters' direction in code?
CMake command line for C++ #define
float/double equality with exact zero
How to get the current user's home directory in Windows
Using CMake with multiple compilers for the same language
Throw exception and return result from a function
Using recursion and backtracking to generate all possible combinations
c++, std::atomic, what is std::memory_order and how to use them?
QTextEdit background color change also the color of scrollbar
How does operator chaining happen in C++?
variable nested for loops
Of int, char, float, and bool, which is smallest?
Declaring an array inside a class, and setting its size with the constructor
C++ Without initialization variable
C++: struct and new keyword
Image downscaling algorithm
Convert each character in string to ASCII
Pointer is pointing to 0x1 - is checking for null valid?
How to calculate number of samples in audio given some parameters?
Is there a standard 'int class' in c++?
Does resizing an STL vector erase/invalidate its previous contents?
Execute shellcode by casting to function pointer in Visual C++
Reading a file located in memory with libavformat
When is 'this' required?