¡@
c++ Programming Glossary: conclusionunion for uint32_t and uint8_t[4] undefined behavior? http://stackoverflow.com/questions/10271929/union-for-uint32-t-and-uint8-t4-undefined-behavior are layout compatible types. C 03 Section 3.9 11 page 53 Conclusion as uint8_t 4 and uint32_t are not the same type I guess a strict..
Namespace + functions versus static methods on a class http://stackoverflow.com/questions/1434937/namespace-functions-versus-static-methods-on-a-class AAA and BBB in this namespace with the keyword using. Conclusion Namespaces are for namespaces. Classes are for classes. C was..
http://stackoverflow.com/questions/179213/c-include-semantics each I compiler option. Inside the system directories. 1.c Conclusion The pattern could lead to subtle compilation error across compilers.. with the right directory another reason to prefer to . 3. Conclusion Using both the notation and namespaced notation together removes..
C++: do you (really) write exception safe code? [closed] http://stackoverflow.com/questions/1853243/c-do-you-really-write-exception-safe-code then do it. The function user will thank you for it. Conclusion It takes some habit to write exception safe code. You'll need..
Garbage Collection in C++ — why? http://stackoverflow.com/questions/228620/garbage-collection-in-c-why will really be destroyed. Only that it will be destroyed. Conclusion So in the end if done properly and compatible with the current..
http://stackoverflow.com/questions/308279/c-strings-vs any n dimensional array including the special case of n 1 Conclusion void upperCaseString char _str and void upperCaseString char..
Why is ++i considered an l-value, but i++ is not? http://stackoverflow.com/questions/371503/why-is-i-considered-an-l-value-but-i-is-not the object indicated by the lvalue is the rvalue result. Conclusion Using the above semantics it is clear now why i is no lvalue..
Using arrays or std::vectors in C++, what's the performance gap? http://stackoverflow.com/questions/381621/using-arrays-or-stdvectors-in-c-whats-the-performance-gap S s return s.v 3 movq 8 rdi rax movl 12 rax eax ret Conclusion Indexing a vector is the same damn thing as indexing a pointer... S s return s.i movq 40 rdi rax movl rax eax ret Conclusion Dereferencing a vector iterator is the same damn thing as dereferencing.. rdi ret void iterator_increment S s s.i addq 4 40 rdi ret Conclusion Incrementing a vector iterator is the same damn thing as incrementing..
http://stackoverflow.com/questions/402283/stdwstring-vs-stdstring wiki UTF 8#Compared_to_UTF 16 for more info. Conclusion 1. When I should use std wstring over std string On Linux Almost..
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 first member and vice versa. The list goes on and on... Conclusion It is important to understand what exactly a POD is because..
Fastest method of screen capturing http://stackoverflow.com/questions/5069104/fastest-method-of-screen-capturing it and the DirectX way of doing it. It mentions in the Conclusion that disabling hardware acceleration could drastically improve..
How to implement the factory pattern in C++ correctly http://stackoverflow.com/questions/5120768/how-to-implement-the-factory-pattern-in-c-correctly is risky. And what if Foo is not copiable at all Well doh. Conclusion Making a factory by returning an object is indeed a solution.. to a good general solution for implementing a factory. Conclusions We want to have a way of object instantiation which would allow..
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 better. We may just be stuck with double meanings forever. Conclusion I appreciate that this post has been a little biased I wrote..
Is C# really slower than say C++? http://stackoverflow.com/questions/5326269/is-c-sharp-really-slower-than-say-c it never trust a benchmark you didn't falsify yourself. Conclusion There is no simple answer. I'm reasonably certain I could flip..
Operator Precedence vs Order of Evaluation http://stackoverflow.com/questions/5473107/operator-precedence-vs-order-of-evaluation variable on a 32 bit machine is actually fairly common. Conclusion Order of evaluation does not depend on precedence associativity..
Will using `goto` leak variables? http://stackoverflow.com/questions/7334952/will-using-goto-leak-variables destroyed in the reverse order of their construction. .. Conclusion The above mechanisms ensure that goto doesn't let you break..
Is there any reason to use C instead of C++ for embedded development? http://stackoverflow.com/questions/812717/is-there-any-reason-to-use-c-instead-of-c-for-embedded-development C89 when developing for very limited hardware 4kb of RAM Conclusion Thank you for your answers they were really helpful I though..
Handling stdafx.h in cross-platform code http://stackoverflow.com/questions/1191248/handling-stdafx-h-in-cross-platform-code in both environments. I've googled but can not come to a conclusion. Obviously I want leave stdafx.h in Visual Studio since the..
Passing a modifiable parameter to c++ function http://stackoverflow.com/questions/1322517/passing-a-modifiable-parameter-to-c-function 1 but after examining some local code database I came to a conclusion that the most common way is 2 . Moreover the man himself Bjarne..
how to avoid undefined execution order for the constructors when using std::make_tuple http://stackoverflow.com/questions/14056000/how-to-avoid-undefined-execution-order-for-the-constructors-when-using-stdmake A B t std make_tuple A std cin B std cin I came to that conclusion after reading a comment to the question Translating a std tuple..
Does const mean thread-safe in C++11? http://stackoverflow.com/questions/14127379/does-const-mean-thread-safe-in-c11 of the Standard Library may result in a data race . In conclusion const does mean thread safe from the Standard Library point..
http://stackoverflow.com/questions/1519743/vc-compiler-for-qt-creator downloading the developpez.com binaries thanks guys . In conclusion Windows Xp Vista SDK Debugger Tools For Windows Qt Creator Qt..
Which iomanip manipulators are 'sticky'? http://stackoverflow.com/questions/1532640/which-iomanip-manipulators-are-sticky The following is the discussion that lead to the above conclusion Looking at the code the following manipulators return an object.. part of the stream objects state. ws endl ends flush The conclusion is that setw seems to be the only manipulator on my version..
Is std::string thead-safe with gcc 4.3? http://stackoverflow.com/questions/1594803/is-stdstring-thead-safe-with-gcc-4-3 comment as answer here because I think we've reached the conclusion that this area is still unresolved for now. To circumvent the..
C++: std::string in a multi-threaded program http://stackoverflow.com/questions/1661154/c-stdstring-in-a-multi-threaded-program program I come to the following seemingly controversial conclusion You simply cannot safely and portably use std string in a multi..
Pros and cons of using nested C++ classes and enumerations? http://stackoverflow.com/questions/216748/pros-and-cons-of-using-nested-c-classes-and-enumerations way to use namespace like aliases imports or usings. As a conclusion unless exceptions e.g. the nested class is an intimate part..
Good C++ array class for dealing with large arrays of data in a fast and memory efficient way? http://stackoverflow.com/questions/2472944/good-c-array-class-for-dealing-with-large-arrays-of-data-in-a-fast-and-memory calls keep falling foul of heap fragmentation. So the conclusion I've come to other than porting to 64 bit is to use a mechanism..
How do exceptions work (behind the scenes) in c++ http://stackoverflow.com/questions/307610/how-do-exceptions-work-behind-the-scenes-in-c handling tables and assorted extra information. So the conclusion at least for GCC on Linux the cost is extra space for the handlers..
Is this rule about volatile usage strict? http://stackoverflow.com/questions/4168735/is-this-rule-about-volatile-usage-strict on their knowledge they then either draw the wrong conclusion that volatile is good for threads you seem to have done so or.. or they yell at him for leading others to draw the wrong conclusions. Very few people seem to be able to actually read the article..
Is `long` guaranteed to be at least 32 bits? http://stackoverflow.com/questions/4329777/is-long-guaranteed-to-be-at-least-32-bits is implementation defined. This leads me to the following conclusion 1 sizeof char sizeof short int sizeof int sizeof long int where..
In either C or C++, should I check pointer parameters against NULL/nullptr? http://stackoverflow.com/questions/4390007/in-either-c-or-c-should-i-check-pointer-parameters-against-null-nullptr like passing of invalid parameters. I have arrived at this conclusion for several reasons but perhaps the most important one comes..
http://stackoverflow.com/questions/5854581/polymorphism-in-c function. We'll discuss the significance of this in the conclusion. Coercion casts implicit constructors These mechanisms allow..
How to use std::atomic efficiently http://stackoverflow.com/questions/8749038/how-to-use-stdatomic-efficiently are processor architecture dependent then what's the conclusion for x86 x64 processors c c 11 share improve this question..
Why do two functions have the same address? http://stackoverflow.com/questions/9323273/why-do-two-functions-have-the-same-address instantiations into a single function. I also came to a conclusion that if the function body depends on T not on T it still produces..
Using Quaternions for OpenGL Rotations http://stackoverflow.com/questions/9715776/using-quaternions-for-opengl-rotations there commented out. Conclusion Sad panda That is the conclusion of the life cycle of player input from cradle to OpenGL managed..
|