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c++ Programming Glossary: fineC++ convert hex string to signed integer http://stackoverflow.com/questions/1070497/c-convert-hex-string-to-signed-integer the line . EDIT It appears that since lexical_cast is defined to have stream conversion semantics. Sadly streams don't understand.. manually sets the input stream to hex will handle it just fine. Boost has some stuff to do this as well which has some nice..
System(“pause”); - Why is it wrong? http://stackoverflow.com/questions/1107705/systempause-why-is-it-wrong not be done in varying degrees. Some people say it is fine to use. Some say it is only to be used when you are locked in..
Why is “using namespace std;” considered bad practice? http://stackoverflow.com/questions/1452721/why-is-using-namespace-std-considered-bad-practice using namespace foo using namespace bar Everything works fine you can call Blah from Foo and Quux from Bar without problems...
http://stackoverflow.com/questions/1553382/is-delete-equal-to-delete chasing you around your apartment or lets everything work fine with no apparent problems is undefined. It might be this way.. lets everything work fine with no apparent problems is undefined. It might be this way with one compiler and change with another.. number of other possibilities are put into one term Undefined behavior Just stay away from it. share improve this answer..
How do you reverse a string in place in C or C++? http://stackoverflow.com/questions/198199/how-do-you-reverse-a-string-in-place-in-c-or-c that you must avoid swapping with self because a^a 0. Ok fine let's fix the UTF 8 chars... #include bits types.h #include.. UTF 8 chars... #include bits types.h #include stdio.h #define SWP x y x^ y y^ x x^ y void strrev char p char q p while q q..
Get the IP address of the machine http://stackoverflow.com/questions/212528/get-the-ip-address-of-the-machine will let you do the same thing easily it works fine for me on os x 10.5 and should be the same below. I've done..
How to pass objects to functions in C++? http://stackoverflow.com/questions/2139224/how-to-pass-objects-to-functions-in-c best expressed as a boost optional and aliasing is done fine by reference. C 11's move semantics make passing and returning..
Why is volatile not considered useful in multithreaded C or C++ programming? http://stackoverflow.com/questions/2484980/why-is-volatile-not-considered-useful-in-multithreaded-c-or-c-programming simply set the flag after preparing the data so all looks fine. But what if the instructions are reordered so the flag is set..
C++ Timer function to provide time in nano seconds http://stackoverflow.com/questions/275004/c-timer-function-to-provide-time-in-nano-seconds a 4588605 34329 states that QPC should work fine on any MS OS after Win XP service pack 2. This article shows.. Synchronizing across processors is still an issue. Other fine reading related to timers https blogs.oracle.com dholmes entry..
http://stackoverflow.com/questions/3582001/advantages-of-using-forward values can pass on all values but potentially leads to undefined behavior const int i 1 j 2 k 3 E int int int f i j k ouch E.. void foo int template typename T void deduce T x foo x fine foo can refer to x deduce 1 okay foo operates on x which has..
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 This works fine but what if we want to return str We could write this std string..
http://stackoverflow.com/questions/408670/stack-static-and-heap-in-c heard of is in C if not C or assembly . Python et al are fine for scripting but not the main game engine. share improve..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three this question Introduction C treats variables of user defined types with value semantics . This means that objects are implicitly.. nor the destructor ourselves these are implicitly defined for us. Quote from the standard The ... copy constructor and.. declare them. The implementation will implicitly define them if they are used. ... end note n3126.pdf section 12 §1..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points Behavior and Sequence Points What are Sequence Points What.. What are Sequence Points What is the relation between Undefined Behaviour and Sequence Points I often use funny and convoluted.. read this be sure to visit the follow up question Undefined Behavior and Sequence Points Reloaded . Note This is meant..
Undefined Behavior and Sequence Points Reloaded http://stackoverflow.com/questions/4638364/undefined-behavior-and-sequence-points-reloaded Behavior and Sequence Points Reloaded Consider this topic.. a sequel of the following topic Previous Installment Undefined Behavior and Sequence Points Let's revisit this funny and convoluted.. from the above topic smile i i We say this invokes undefined behavior. I presume that when say this we implicitly assume..
What does T&& (double ampersand) mean in C++11? http://stackoverflow.com/questions/5481539/what-does-t-double-ampersand-mean-in-c11 move constructor and move assignment operator can now be defined that takes an rvalue reference instead of the usual const lvalue.. to overload factory on A1 and on A1 const . That might be fine if factory takes 1 parameter but each additional parameter would.. fix this problem by allowing the standard library to define a forward function something like this template typename T struct..
WChars, Encodings, Standards and Portability http://stackoverflow.com/questions/6300804/wchars-encodings-standards-and-portability UTF 8 16 32 A function library to transcode between well defined definite fixed encodings. All encodings handled by iconv are.. const std vector std wstring args user starts here #if defined _WIN32 defined WIN32 #include windows.h extern C int main setlocale.. std wstring args user starts here #if defined _WIN32 defined WIN32 #include windows.h extern C int main setlocale LC_CTYPE..
Eclipse CDT C++11/C++0x support http://stackoverflow.com/questions/9131763/eclipse-cdt-c11-c0x-support could not be resolved The Makefile compilation works fine. How to make Eclipse stop complaining about these sort of errors..
C++ application - should I use static or dynamic linking for the libraries? http://stackoverflow.com/questions/2095363/c-application-should-i-use-static-or-dynamic-linking-for-the-libraries linking. I suspect this will not be a popular opinion. Fine. But I have 11 years experience deploying applications on Linux..
http://stackoverflow.com/questions/4971286/javas-final-vs-cs-const virtual void foo const class Error public Bar public Fine in C virtual void foo const this is fine because the semantics..
Redirect FROM stderr to another file descriptor http://stackoverflow.com/questions/5095839/redirect-from-stderr-to-another-file-descriptor fd STDERR_FILENO throw RUNTIME_ERROR std cout std cerr Fine n Bad n char x 100 std cerr Output to getcwd x 100 output_file.. 100 output_file yields fd errno errno n std cout std cerr Fine n Bad n This outputs Fine Bad to stdout and the given file.. errno errno n std cout std cerr Fine n Bad n This outputs Fine Bad to stdout and the given file is empty. It is correctly created..
name hiding and fragile base problem http://stackoverflow.com/questions/5928535/name-hiding-and-fragile-base-problem int main derived d d.foo 1 Error foo int is hidden d.bar Fine calls base bar Here foo int is treated differently to bar because..
Concatenate two string literals http://stackoverflow.com/questions/6061648/concatenate-two-string-literals for that matter two strings but not two string literals . Fine this makes sense I suppose. Now onto two separate exercises..
Creating an object: with or without `new` [duplicate] http://stackoverflow.com/questions/6337294/creating-an-object-with-or-without-new object with dynamic storage duration and allows two things Fine control over the lifetime of the object since it does not go..
Forward declarations of unnamed struct http://stackoverflow.com/questions/7256436/forward-declarations-of-unnamed-struct Bounty question So these two Foo s aren't the same thing. Fine. The second form is given in a library. How do I forward declare..
Detailed explanation on how Koenig lookup works with namespaces and why its a good thing? http://stackoverflow.com/questions/8111677/detailed-explanation-on-how-koenig-lookup-works-with-namespaces-and-why-its-a-go MyClass obj global object int main doSomething obj Works Fine MyNamespace doSomething is called. In the above example there..
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