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c++ Programming Glossary: muchIs there a difference in C++ between copy initialization and direct initialization? http://stackoverflow.com/questions/1051379/is-there-a-difference-in-c-between-copy-initialization-and-direct-initializati and is an exact match B A const There is no conversion much less a user defined conversion needed to call that constructor..
What is a smart pointer and when should I use one? http://stackoverflow.com/questions/106508/what-is-a-smart-pointer-and-when-should-i-use-one are very useful when the lifetime of your object is much more complicated and is not tied directly to a particular section.. a special kind of smart pointer std auto_ptr . It is very much like a scoped pointer except that it also has the special dangerous..
Why is “using namespace std;” considered bad practice? http://stackoverflow.com/questions/1452721/why-is-using-namespace-std-considered-bad-practice share the same name as a function in std namespace that much Or does this impact program performance noticeably as you get..
What should main() return in C and C++? http://stackoverflow.com/questions/204476/what-should-main-return-in-c-and-c to debate. The range of valid C program main signatures is much greater. Also efficiency is not an issue with the main function...
How to pass objects to functions in C++? http://stackoverflow.com/questions/2139224/how-to-pass-objects-to-functions-in-c C 11's move semantics make passing and returning by value much more attractive even for complex objects. Rules of thumb for..
Regular cast vs. static_cast vs. dynamic_cast http://stackoverflow.com/questions/28002/regular-cast-vs-static-cast-vs-dynamic-cast considering dynamic_cast . Needless to say that this is much more powerful as it combines all of const_cast static_cast and..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom strive to never repeat ourselves. One might wonder if this much code is needed to manage one resource correctly what if my class..
http://stackoverflow.com/questions/356950/c-functors-and-their-uses share improve this question A functor is pretty much just a class which defines the operator . That lets you create..
What can I use to profile C++ code in Linux? http://stackoverflow.com/questions/375913/what-can-i-use-to-profile-c-code-in-linux call stack some fraction f of the time and thus costs that much . For simplicity suppose we don't know what f is but assume.. than once. If we only see it once that doesn't tell us much except that f 0. So even a very small number of samples can..
What are Aggregates and PODs and how/why are they special? http://stackoverflow.com/questions/4178175/what-are-aggregates-and-pods-and-how-why-are-they-special aggregate classes can be initialized with braces. Pretty much the same way. Instead of the array elements we will initialize..
http://stackoverflow.com/questions/484635/are-global-variables-bad To understand how the application works you pretty much have to take into account every function which modifies the.. different functions as needed. That way you stand a much better chance of understanding what each function does as you..
What's this STL vs. “C++ Standard Library” fight all about? [closed] http://stackoverflow.com/questions/5205491/whats-this-stl-vs-c-standard-library-fight-all-about a term made even more prevalent by the nature of the beast much of which makes heavy use of the C feature known as templates..
http://stackoverflow.com/questions/589575/size-of-int-long-etc bytes float 4 bytes double 8 bytes I tried to find without much success reliable information stating the sizes of char short..
Can a local variable's memory be accessed outside its scope? http://stackoverflow.com/questions/6441218/can-a-local-variables-memory-be-accessed-outside-its-scope C solve this problem by restricting your power by having much stricter control over keys for example. UPDATE Holy goodness..
Where do I find the current C or C++ standard documents? http://stackoverflow.com/questions/81656/where-do-i-find-the-current-c-or-c-standard-documents identical to ISO 9899 1990 Note that the C90 standard is much more useful than the significantly different C99 standard since.. compilers. If you want a hardcopy of the C90 standard for much less money than above you may be able to find a cheap used copy..
Why can't variables be declared in a switch statement? http://stackoverflow.com/questions/92396/why-cant-variables-be-declared-in-a-switch-statement a switch statement In C you can declare variables pretty much anywhere and declaring them close to first use is obviously..
C++: Splitting a string by a character http://stackoverflow.com/questions/10058606/c-splitting-a-string-by-a-character into an array using a character as the split delimiter. Much like the C#'s famous .Split function. I can of course apply..
http://stackoverflow.com/questions/108768/needless-pointer-casts-in-c and run the risk of suppressing legitimate warnings. Much is written about this a quick google search will turn up more..
Is there a reason to not use Boost? [closed] http://stackoverflow.com/questions/1226206/is-there-a-reason-to-not-use-boost build data centres itself out of CPUs and bits of string. Much as I hate marketing speak most companies do need to focus on..
http://stackoverflow.com/questions/1683665/where-is-boost-process and read up on the documentation of Boost.Process. Much to my surprise it wasn't there I then proceeded to figure out..
Creating a new object from dynamic type info http://stackoverflow.com/questions/2032881/creating-a-new-object-from-dynamic-type-info auto_ptr Factory too and then use Factory as a base class Much of the same logic and functionality can be used as for a clone..
C++ Abstract class operator overloading and interface enforcement question http://stackoverflow.com/questions/2059058/c-abstract-class-operator-overloading-and-interface-enforcement-question derived message classes provide an ostream operator Thanks Much Steve c share improve this question The common convention..
Is it possible to use boost::foreach with std::map? http://stackoverflow.com/questions/2104208/is-it-possible-to-use-boostforeach-with-stdmap int numbers 1 2 3 4 BOOST_FOREACH int i numbers cout i Much better However I never figured out a way if it's at all possible..
STL Rope - when and where to use http://stackoverflow.com/questions/2826431/stl-rope-when-and-where-to-use strings such as edit buffers or mail messages. Advantages Much faster concatenation and substring operations involving long..
Example of how to use boost upgradeable mutexes http://stackoverflow.com/questions/3896717/example-of-how-to-use-boost-upgradeable-mutexes memory. The shared memory are basically sTL maps etc. Much of the time I'm just reading from the map. But I also need to..
Boost::multi_array performance question http://stackoverflow.com/questions/446866/boostmulti-array-performance-question time 0.266 seconds Native Elapsed time 0.016 seconds Much closer. But 16 to 1 still seems to high to me. Well no definitive..
http://stackoverflow.com/questions/451884/similar-string-algorithm find similar text in two or more different strings... Much like the question posed here Algorithm to find similar text..
What C++ Smart Pointer Implementations are available? http://stackoverflow.com/questions/5026197/what-c-smart-pointer-implementations-are-available norm regarding smart pointers come to mind. boost weak_ptr Much like previous description of std weak_ptr based on this implementation..
What's the usual way of controlling frame rate? http://stackoverflow.com/questions/5508922/whats-the-usual-way-of-controlling-frame-rate make your game work with that instead of controlling it. Much easier for you and more flexible and stable in practice. share..
http://stackoverflow.com/questions/5978617/why-is-it-disallowed-for-partial-specialization-in-a-non-type-argument-to-use-ne the fact that nobody bothered to work at changing them. Much like there many of them can be worked around so removing them..
Do the parentheses after the type name make a difference with new? http://stackoverflow.com/questions/620137/do-the-parentheses-after-the-type-name-make-a-difference-with-new differences that can actually affect your code's behavior. Much of the following is taken from comments made to an Old New Thing..
Integrate type name in static_assert output? http://stackoverflow.com/questions/6415186/integrate-type-name-in-static-assert-output failed Cannot create Foo T Tag from Foo T OtherTag . Much better but still not really where the static_assert is. And.. ' being compiled with Tag main TagB OtherTag main TagA Much better Here's what GCC says prog.cpp In instantiation of 'static_Foo_assert..
C++ as a first language [closed] http://stackoverflow.com/questions/713704/c-as-a-first-language
why is this for loop taking so long? http://stackoverflow.com/questions/8244152/why-is-this-for-loop-taking-so-long These are not the droids you're looking for. Move along. Much more likely is this code level.PathLookupVectors globalNodePositionIndex..
What XML parser should I use in C++? http://stackoverflow.com/questions/9387610/what-xml-parser-should-i-use-in-c dependencies. I Care About Performance But Not Quite That Much Yes performance matters to you. But maybe you need something..
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