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c++ Programming Glossary: signalsWhy are strings in C++ usually terminated with '\0'? http://stackoverflow.com/questions/10943033/why-are-strings-in-c-usually-terminated-with-0 in C. It is known as the null character or NUL . It signals code that processes strings standard libraries but also your..
Use of 'const' for function parameters http://stackoverflow.com/questions/117293/use-of-const-for-function-parameters it doesn't really matter although it can be safer as it signals intent within the function. Its really a judgement call. I do..
Qt question: What does the Q_OBJECT macro do? Why do all Qt objects need this macro? http://stackoverflow.com/questions/1368584/qt-question-what-does-the-q-object-macro-do-why-do-all-qt-objects-need-this-ma Among other things meta object code is required for the signals and slots mechanism the run time type information and the dynamic..
How can I catch a ctrl-c event? (C++) http://stackoverflow.com/questions/1641182/how-can-i-catch-a-ctrl-c-event-c How do I catch a ctrl c event in C c event handling posix signals sigint share improve this question signal isn't the most..
How to handle a ctrl-break signal in a command line interface http://stackoverflow.com/questions/181413/how-to-handle-a-ctrl-break-signal-in-a-command-line-interface from a user. I have a signal handler setup to catch the signals which then sets a flag that I need to terminate the application... avoid it Hopefully that explanation makes more sense... c signals command line interface share improve this question On nix..
http://stackoverflow.com/questions/2491707/memory-management-in-qt take care of destroying child . It does this by issuing signals so it is safe even when you delete child manually before the..
C++ performance challenge: integer to std::string conversion http://stackoverflow.com/questions/4351371/c-performance-challenge-integer-to-stdstring-conversion . No tricks that are incompatible with threading and signals for example static buffers . You may assume an ASCII character..
C++ : Catch a divide by zero error http://stackoverflow.com/questions/4747934/c-catch-a-divide-by-zero-error is OS dependent and MinGW somehow emulates the POSIX signals under Windows environment. Here's the test on MinGW 4.5 Windows.. cases. A valid program shouldn't do that. Catching those signals is only useful for debugging diagnosing purposes. There are.. for debugging diagnosing purposes. There are some useful signals which are very useful in general in low level programming and..
Why copying stringstream is not allowed? http://stackoverflow.com/questions/6010864/why-copying-stringstream-is-not-allowed the keyboard or the input device generated the electric signals only once and they flowed through all other hardwares and low..
How to emit cross-thread signal in Qt? http://stackoverflow.com/questions/638251/how-to-emit-cross-thread-signal-in-qt cross thread signal in Qt Qt documentation states that signals and slots can be direct queued and auto . It also stated that.. 200 std cout thread 1 started std endl MySignal exec signals void MySignal void class CThread2 public QThread Q_OBJECT public.. MySlot is never called . What I'm doing wrong c qt signals signals slots share improve this question There are quite..
How would you implement a basic event-loop? http://stackoverflow.com/questions/658403/how-would-you-implement-a-basic-event-loop Footnote For the sake of learning I will implement my own signals slots and I would use those to generate custom events e.g. go_forward_event..
C++, __try and try/catch/finally http://stackoverflow.com/questions/7049502/c-try-and-try-catch-finally Handling SEH they are the rough equivalent to Unix signals. Compilers that generate code for Windows typically take advantage..
How to compile/link Boost with clang++/libc++? http://stackoverflow.com/questions/8486077/how-to-compile-link-boost-with-clang-libc linkflags stdlib libc You'll get lots of warnings. And the signals library will fail to build due to LWG 2059 . But otherwise I..
Boost Spirit Signals Successful Parsing Despite Token Being Incomplete http://stackoverflow.com/questions/12864978/boost-spirit-signals-successful-parsing-despite-token-being-incomplete Spirit Signals Successful Parsing Despite Token Being Incomplete I have a..
C++: Safe to use longjmp and setjmp? http://stackoverflow.com/questions/1376085/c-safe-to-use-longjmp-and-setjmp will have on standard exception handling this pointer Signals Smart pointers boost's shared and intrusive pointers Anything..
http://stackoverflow.com/questions/17942034/simple-linux-signal-handling with sigaction nicely in Chapter 11 Processes and Signals . 2. The sigaction documentation including an example quick.. me . I think following paragraph will answer you. Handling Signals The call to signal establishes signal handling for only one..
using catch(…) (ellipsis) for post-mortem analysis http://stackoverflow.com/questions/2183113/using-catch-ellipsis-for-post-mortem-analysis not break handling segfaults captured elsewhere as signal Signals are not affected by the exception handling mechanism. But because..
Which boost libraries are heading for TR2? http://stackoverflow.com/questions/2193605/which-boost-libraries-are-heading-for-tr2 1 page. Here is a quick list from Wikipedia. Boost.Asio Signals Slots a combination of Boost.Signals and libsigc Boost.Filesystem.. Wikipedia. Boost.Asio Signals Slots a combination of Boost.Signals and libsigc Boost.Filesystem Boost.Any boost lexcal_cast Boost.String..
How to Track Emitted Signals in QT? http://stackoverflow.com/questions/2780304/how-to-track-emitted-signals-in-qt to Track Emitted Signals in QT Is there any way to observe all signals which are emitted..
http://stackoverflow.com/questions/317450/why-override-operator override operator In the Boost Signals library they are overloading the operator. Is this a convention..
Which C++ signals/slots library should I choose? http://stackoverflow.com/questions/359928/which-c-signals-slots-library-should-i-choose Connect two functions with any number of parameters. Signals can be connected to multiple slots. Manual disconnection of.. frame. I've read a comparison between libsigc and Boost.Signals . I've also read that Boost.Signals suffers from poor performance... libsigc and Boost.Signals . I've also read that Boost.Signals suffers from poor performance. However I know there are other..
http://stackoverflow.com/questions/3689714/when-should-q-object-be-used for any classes that you derive from QOject . Besides Signals and slots Q_OBJECT macro enables to retrieve the Meta Object..
http://stackoverflow.com/questions/4452328/qt-signals-slots-and-threads Signals Slots and Threads I'm new to GUI programming and multithreading...
http://stackoverflow.com/questions/4863420/signal-handling other functions you are probably doing something wrong. Signals are not a substitute for an event driven framework. Calling..
Can Qt signals return a value? http://stackoverflow.com/questions/5842124/can-qt-signals-return-a-value Qt signals return a value Boost.Signals allows various strategies of using the return values of slots.. from the connected slots of the signal. Here's why. Qt Signals are a syntax sugared interface to the signaling pattern. Slots..
Complete example using Boost::Signals for C++ Eventing http://stackoverflow.com/questions/768351/complete-example-using-boostsignals-for-c-eventing example using Boost Signals for C Eventing I ™m aware of the tutorial at boost.org addressing.. of the tutorial at boost.org addressing this Boost.org Signals Tutorial but the examples are not complete and somewhat over..
http://stackoverflow.com/questions/8834147/c-signal-to-qml-slot-in-qt way to exchange data between QML and C and does not need Signals or Slots in first instance because the QStandardItemModel updates..
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