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c++ Programming Glossary: unfortunatelyGetting a FILE* from a std::fstream http://stackoverflow.com/questions/109449/getting-a-file-from-a-stdfstream I don't recommend it you could try looking up funopen Unfortunately this is not a POSIX API it a BSD extension so its portability..
Why aren't my include guards preventing recursive inclusion and multiple symbol definitions? http://stackoverflow.com/questions/14909997/why-arent-my-include-guards-preventing-recursive-inclusion-and-multiple-symbol the content of b.h and in particular the definition of B . Unfortunately the definition of B mentions class A which has never been met..
Determining 32 vs 64 bit in C++ http://stackoverflow.com/questions/1505582/determining-32-vs-64-bit-in-c conditional compilation share improve this question Unfortunately there is no cross platform macro which defines 32 64 bit across..
Which iomanip manipulators are 'sticky'? http://stackoverflow.com/questions/1532640/which-iomanip-manipulators-are-sticky to only the next object that is applied to the stream. Unfortunately this does not preclude them from being sticky. Tests indicate..
What is “cache-friendly” code? http://stackoverflow.com/questions/16699247/what-is-cache-friendly-code will quickly run into easily avoidable cache issues. Unfortunately I see stuff like this very often in my domain machine learning..
How to use QueryPerformanceCounter? http://stackoverflow.com/questions/1739259/how-to-use-queryperformancecounter call the function again and assign startingTicks to it. Unfortunately from the code I've seen it isn't as simple as just calling QueryPerformanceCounter..
How to stop C++ console application from exiting immediately? http://stackoverflow.com/questions/2529617/how-to-stop-c-console-application-from-exiting-immediately Lately I've been trying to learn C from this website . Unfortunately whenever I try to run one of the code samples I see that program..
Can I use a binary literal in C or C++? http://stackoverflow.com/questions/2611764/can-i-use-a-binary-literal-in-c-or-c use the non portable itoa function or implement your own . Unfortunately you cannot do base 2 formatting with STL streams since setbase..
c++ call constructor from constructor http://stackoverflow.com/questions/308276/c-call-constructor-from-constructor both fails. c constructor share improve this question Unfortunately there's no way to do this in C it's possible in C 11 though..
Optimizing away a “while(1);” in C++0x http://stackoverflow.com/questions/3592557/optimizing-away-a-while1-in-c0x This insightful article says about that Standards text Unfortunately the words undefined behavior are not used. However anytime the..
RAII and smart pointers in C++ http://stackoverflow.com/questions/395123/raii-and-smart-pointers-in-c std string str Do cool things to or using str return str Unfortunately this code doesn't work. We're returning a pointer to str but.. file File append foo.setLogFile file bar.setLogFile file Unfortunately this example ends horribly file will be closed as soon as this..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three and that.name contain the same pointer. Exception safety Unfortunately this solution will fail if new char ... throws an exception.. you probably need to explicitly declare all three of them. Unfortunately this rule is not enforced by the C standard or any compiler..
Why do I get “unresolved external symbol” errors when using templates? http://stackoverflow.com/questions/456713/why-do-i-get-unresolved-external-symbol-errors-when-using-templates in the template's source with the export keyword. Unfortunately this isn't supported by a lot of compilers. Both 1 and 2 basically..
WChars, Encodings, Standards and Portability http://stackoverflow.com/questions/6300804/wchars-encodings-standards-and-portability specific extensions and to put lots of effort in it. Unfortunately most applications already fail at comparatively simple tasks..
Why do all these crazy function pointer definitions all work? What is really going on? http://stackoverflow.com/questions/6893285/why-do-all-these-crazy-function-pointer-definitions-all-work-what-is-really-goi operator. Then it came to me function pointer definitions Unfortunately as I played around with what I once remembered about function..
What is a lambda expression in C++11? http://stackoverflow.com/questions/7627098/what-is-a-lambda-expression-in-c11 std for_each and std transform which can be very handy. Unfortunately they can also be quite cumbersome to use particularly if the..
Can I list-initialize a vector of move-only type? http://stackoverflow.com/questions/8468774/can-i-list-initialize-a-vector-of-move-only-type an initializer list are always passed via const reference. Unfortunately there does not appear to be any way of using move semantic in..
Why is reading lines from stdin much slower in C++ than Python? http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python character one at a time as needed using stdio functions. Unfortunately this introduces a lot of overhead. For small amounts of input..
Issue when scheduling tasks using clock() function http://stackoverflow.com/questions/11865460/issue-when-scheduling-tasks-using-clock-function but has been tested with GCC 4.4.5 and 4.7.1. VC 2010 unfortunately does not have the chrono header but the VC 2012RC apparently..
Is gcc4.7 buggy about regular expressions? [duplicate] http://stackoverflow.com/questions/12530406/is-gcc4-7-buggy-about-regular-expressions often how open source works Release early release often unfortunately in the case of regex we only got the early part right and not..
How to define different types for the same class in C++ http://stackoverflow.com/questions/14232293/how-to-define-different-types-for-the-same-class-in-c If the common functionality takes up a lot of code this unfortunately introduces quite a lot of duplicate code in the final executable...
Visual Studio support for new C / C++ standards? http://stackoverflow.com/questions/146381/visual-studio-support-for-new-c-c-standards feedback ViewFeedback.aspx FeedbackID 345360 Hi unfortunately the overwhelming feadback we get from the majority of our users..
Convert inline assembly code to C++ http://stackoverflow.com/questions/16142284/convert-inline-assembly-code-to-c what the comment says it's already layed out correctly unfortunately this is not true in 64bit mode. The code therefore cannot be..
How to use SQLite in a multi-threaded application? http://stackoverflow.com/questions/1680249/how-to-use-sqlite-in-a-multi-threaded-application of the other Stack Overflow questions really helped me unfortunately . My use case The database has one table let's call it A which..
Program only crashes as release build — how to debug? http://stackoverflow.com/questions/186237/program-only-crashes-as-release-build-how-to-debug the test method where the code is crashing though unfortunately the actual crash seems to happen in some destructor since the.. line. This is happening under Windows Vista btw and unfortunately I don't have access to an XP machine right now to test on. It..
How can I get the path of a Windows “special folder” for a specific user? http://stackoverflow.com/questions/198124/how-can-i-get-the-path-of-a-windows-special-folder-for-a-specific-user load the user's registry hive using LoadUserProfile but unfortunately this also requires a user token which is going to require their..
C++: Life span of temporary arguments? http://stackoverflow.com/questions/2506793/c-life-span-of-temporary-arguments constructor call compared to MyClass obj getMyClass which unfortunately isn't very well known. I suppose C 11's move semantics will..
Convert bitmap to PNG in-memory in C++ (win32) http://stackoverflow.com/questions/366768/convert-bitmap-to-png-in-memory-in-c-win32 use it via the much cleaner boost gil PNG IO extension but unfortunately that takes char filenames and if you dig into it the png_writer..
Rationale of enforcing some operators to be members http://stackoverflow.com/questions/3938036/rationale-of-enforcing-some-operators-to-be-members
http://stackoverflow.com/questions/4303513/push-back-vs-emplace-back emplace functions. We take conformance very seriously but unfortunately we can't do everything all at once. It's an understandable decision...
http://stackoverflow.com/questions/437250/friend-scope-in-c is not symmetric. John has a goverment job so he unfortunately is not allowed to trust anyone especially when it comes to wireless...
http://stackoverflow.com/questions/45972/mmap-vs-reading-blocks but nobody cared and I got busy with other stuff. Most unfortunately I deleted an archive of old unfinished projects a few weeks..
Do rvalue references to const have any use? http://stackoverflow.com/questions/4938875/do-rvalue-references-to-const-have-any-use Update I've just checked the official standard N3290 which unfortunately isn't publicly available and it has in 20.8 Function objects..
Good tools for creating a C/C++ parser/analyzer http://stackoverflow.com/questions/526797/good-tools-for-creating-a-c-c-parser-analyzer the integer 42 but remain attached to the name foo . This unfortunately excludes several solutions that run the preprocessor first and..
Building glew on windows with mingw http://stackoverflow.com/questions/6005076/building-glew-on-windows-with-mingw errors missing reference . I can't build with Make because unfortunately the makefile has lots of unix only commands and i don't have..
Where and why do I have to put the “template” and “typename” keywords? http://stackoverflow.com/questions/610245/where-and-why-do-i-have-to-put-the-template-and-typename-keywords meaning in different instantiations of a template but unfortunately are not caught by this general rule. Dependent function names..
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