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c++ Programming Glossary: sideSystem(“pause”); - Why is it wrong? http://stackoverflow.com/questions/1107705/systempause-why-is-it-wrong to be used then why was I taught to use it Or on the flip side is it really not that bad after all What are your thoughts on..
what is the difference between const int*, const int * const, int const * http://stackoverflow.com/questions/1143262/what-is-the-difference-between-const-int-const-int-const-int-const pointer to const int Now the first const can be on either side of the type so const int int const const int const int const..
What are copy elision and return value optimization? http://stackoverflow.com/questions/12953127/what-are-copy-elision-and-return-value-optimization can be applied even if copying moving the object has side effects . The following example taken from Wikipedia struct.. being called. You shouldn't have critical logic inside copy move constructors or destructors as you can't rely on them..
http://stackoverflow.com/questions/1647631/c-state-machine-design as bad as it sounds since the FSM is usually locked up inside a single compilation unit and all variables are static to that.. loop . This will allow multiple state machines to run side by side without interference. Just create a structure type which.. . This will allow multiple state machines to run side by side without interference. Just create a structure type which holds..
How to implement big int in C++ http://stackoverflow.com/questions/269268/how-to-implement-big-int-in-c largenumber share improve this question Things to consider for a big int class Mathematical operators Don't forget that.. operators Don't forget that your class may be on either side of the operator that the operators can be chained that one of..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom would entail. An in depth explanation The goal Let's consider a concrete case. We want to manage in an otherwise useless.. sizes rather than allocating and copying entire arrays. Aside from this bonus in functionality and efficiency we are now ready.. std swap for our type provide an in class swap along side a free function swap etc. But this is all unnecessary any proper..
Finding C++ static initialization order problems http://stackoverflow.com/questions/335369/finding-c-static-initialization-order-problems must be guarded with a critical section. On the bright side gcc has an explicit patch as part of the compiler that guarantees..
What are rvalues, lvalues, xvalues, glvalues, and prvalues? http://stackoverflow.com/questions/3601602/what-are-rvalues-lvalues-xvalues-glvalues-and-prvalues historically because lvalues could appear on the left hand side of an assignment expression designates a function or an object... because rvalues could appear on the right hand side of an assignment expression is an xvalue a temporary object..
What are all the common undefined behaviour that a C++ programmer should know about? [closed] http://stackoverflow.com/questions/367633/what-are-all-the-common-undefined-behaviour-that-a-c-programmer-should-know-ab Performing pointer arithmetic that yields a result outside the boundaries either above or below of an array. Dereferencing.. by a long int Preprocessing directive on the left side of a function like macro definition Dynamically generating the..
http://stackoverflow.com/questions/408670/stack-static-and-heap-in-c Explaining how a stack grows and shrinks is a bit outside the scope of this answer but suffice to say you always add and.. the code where they are located but which isn't needed outside that code. They are also really nice for when you are accessing.. then C without garbage collection is the only thing this side of Fortran that I can think of. If you want ease of use and..
Pass by Reference / Value in C++ http://stackoverflow.com/questions/410593/pass-by-reference-value-in-c won't change the temporary pointer created on the call side the argument . sample obj passes the object by reference . It..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points in the execution sequence called sequence points all side effects of previous evaluations shall be complete and no side.. effects of previous evaluations shall be complete and no side effects of subsequent evaluations shall have taken place. §1.9.. shall have taken place. §1.9 7 Side effects What are side effects Evaluation of an expression produces something and if..
Good C/C++ connector library for PostgreSQL http://stackoverflow.com/questions/1138503/good-c-c-connector-library-for-postgresql looking for a robust easy to use connector for Postgresq. Side note I also plan to use PostGIS Does anyone have any recommendations..
TCP socket Transfer data from PC to android device (Android NDK) http://stackoverflow.com/questions/11872405/tcp-socket-transfer-data-from-pc-to-android-device-android-ndk std cerr server normal recv error std endl exit 1 Client Side Client Client void Client startClient now fill in sockaddr_in..
OpenGL two different 3d rendering picture control on single MFC dialog not working http://stackoverflow.com/questions/12227586/opengl-two-different-3d-rendering-picture-control-on-single-mfc-dialog-not-work GL_FRONT_AND_BACK GL_LINE glBegin GL_QUADS Front Side glVertex3f 1.0f 1.0f 1.0f glVertex3f 1.0f 1.0f 1.0f glVertex3f.. glVertex3f 1.0f 1.0f 1.0f glVertex3f 1.0f 1.0f 1.0f Back Side glVertex3f 1.0f 1.0f 1.0f glVertex3f 1.0f 1.0f 1.0f glVertex3f.. glVertex3f 1.0f 1.0f 1.0f glVertex3f 1.0f 1.0f 1.0f Top Side glVertex3f 1.0f 1.0f 1.0f glVertex3f 1.0f 1.0f 1.0f glVertex3f..
pass attribute to child rule in boost spirit http://stackoverflow.com/questions/12520649/pass-attribute-to-child-rule-in-boost-spirit liveworkspace.org code 2d708ecb64ad6fbf9708c203f26965ce Side note with regards to 'phantom entries' in general Note that..
Is it legal to declare a constexpr initializer_list object? http://stackoverflow.com/questions/16063123/is-it-legal-to-declare-a-constexpr-initializer-list-object to be a literal type see dcl.constexpr 4 8. Side note An object of non literal type with constexpr ctor can be..
What are the differences between .so and .dylib on osx? http://stackoverflow.com/questions/2339679/what-are-the-differences-between-so-and-dylib-on-osx libfoo.dylib. However they can not be loaded as a module. Side note Shared libraries can be loaded dynamically through an API...
Links to official style guides http://stackoverflow.com/questions/2434213/links-to-official-style-guides from bashing other style guides that you don't like. Side question Is there a good tool that can examine source code and..
http://stackoverflow.com/questions/2547355/c-file-bad-bit problem. This answer has example code for doing that. Side note Because rifile is a local object you don't need to close..
Why does GCC need extra declarations in templates when VS does not? http://stackoverflow.com/questions/2812470/why-does-gcc-need-extra-declarations-in-templates-when-vs-does-not is also a fourth way if you want to succumb to the Dark Side Using the fpermissive flag will also let the compiler accept..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points of subsequent evaluations shall have taken place. §1.9 7 Side effects What are side effects Evaluation of an expression produces..
How much is too much with C++0x auto keyword http://stackoverflow.com/questions/6434971/how-much-is-too-much-with-c0x-auto-keyword comments on how that intended use is realized in practice. Side note This question was moved to SE.Programmers and then back..
What can I do with a moved-from object? http://stackoverflow.com/questions/7027523/what-can-i-do-with-a-moved-from-object state. Primitives don't modify the moved from object. Side note I believe it's T c std move a so that if the move constructor..
How to Enforce C++ compiler to use specific CRT version? http://stackoverflow.com/questions/730134/how-to-enforce-c-compiler-to-use-specific-crt-version is a console app that does not link against other Side by Side components MFC OpenMP etc. . If your application is.. is a console app that does not link against other Side by Side components MFC OpenMP etc. . If your application is non trivial..
Passing an array as an argument in C++ http://stackoverflow.com/questions/763861/passing-an-array-as-an-argument-in-c just make a vector out of the array and pass it instead Side Note As a rule of thumb always note that sizeof will be translated..
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