¡@
c++ Programming Glossary: sameWhy is “using namespace std;” considered bad practice? http://stackoverflow.com/questions/1452721/why-is-using-namespace-std-considered-bad-practice or risk declaring ambiguous vars variables that share the same name as a function in std namespace that much Or does this impact..
What are the rules about using an underscore in a C++ identifier? http://stackoverflow.com/questions/228783/what-are-the-rules-about-using-an-underscore-in-a-c-identifier a macro name and as an identifier with file scope in the same name space if any of its associated headers is included. No..
http://stackoverflow.com/questions/236129/how-to-split-a-string-in-c stream one could insert them into a container using the same generic copy algorithm. vector string tokens copy istream_iterator..
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 the entire call stack. Call graphs don't give you the same information because 1 they don't summarize at the instruction..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three you write x x both this name and that.name contain the same pointer. Exception safety Unfortunately this solution will fail.. 1 If the above statement throws the object is still in the same state as before. None of the following statements will throw..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points Undefined Behaviour. i i i is modified more than once i i same as above i 2 same as above i i 1 same as above i parsed as i.. i i i is modified more than once i i same as above i 2 same as above i i 1 same as above i parsed as i i i i i Undefined.. more than once i i same as above i 2 same as above i i 1 same as above i parsed as i i i i i Undefined Behaviour because there's..
http://stackoverflow.com/questions/4421706/operator-overloading 1 . The unary prefix negation should according to the same rules be implemented as a member function. but it is usually.. implementation of increment decrement follows the same rules class X X operator do actual increment return this X.. for built in types they might not be able to do the same for user defined types which could be something as innocently..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c a distinct type #include type_traits static_assert std is_same int 8 float 8 value distinct element type static_assert std.. 8 float 8 value distinct element type static_assert std is_same int 8 int 9 value distinct size Note that the size is part of.. memory . An array is not a pointer. static_assert std is_same int 8 int value an array is not a pointer One important context..
Why is iostream::eof inside a loop condition considered wrong? http://stackoverflow.com/questions/5605125/why-is-iostreameof-inside-a-loop-condition-considered-wrong your second question Because if scanf ... ... EOF is the same as if inStream data .eof and not the same as if inStream.eof..
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 followed by the less than operator Now we are back to the same problem as with typename . What if we can't know yet whether..
In C++, why use static_cast<int>(x) instead of (int)x? http://stackoverflow.com/questions/103512/in-c-why-use-static-castintx-instead-of-intx Safe as long as we checked pMyObject CMyClass pSomething Same as static_cast Safe as long as we checked but harder to.. pOther CMyOtherStuff pSomething No compiler error. Same as reiterpret_cast and it's wrong As you can see there is..
http://stackoverflow.com/questions/162941/why-use-pointers is still pointing to this address in memory though free x Same as malloc but here the allocated space is filled with null characters..
http://stackoverflow.com/questions/4340396/does-the-c-standard-mandate-poor-performance-for-iostreams-or-am-i-just-deali 60.5 ms vector char with ordinary iterator 1.04 ms 1.03 ms Same laptop same OS using cygwin gcc 4.3.4 g O3 ostringstream 62.7.. and bounds check 4.0 ms 4.0 ms char 3.57 ms 3.75 ms Same laptop Visual C 2008 SP1 cl Ox EHsc ostringstream 88.7 ms 87.6.. and bounds check 2.97 ms 2.53 ms char 1.52 ms 1.25 ms Same laptop Visual C 2010 64 bit compiler ostringstream 48.6 ms 45.0..
http://stackoverflow.com/questions/4707012/c-memcpy-vs-stdcopy sort of OS activity going on. I decided to start over. Same compiler settings and flags. There is only one version of MD5..
Efficient way of reading a file into an std::vector<char>? http://stackoverflow.com/questions/4761529/efficient-way-of-reading-a-file-into-an-stdvectorchar of initializing all elements fileSize can be rather big . Same for resize . This question is not so much about how important..
Operator Precedence vs Order of Evaluation http://stackoverflow.com/questions/5473107/operator-precedence-vs-order-of-evaluation be 1 . But we know when the Operator Precedence is Equal Same Associativity comes into play hence is evaluated as x y z ...
How to determine CPU and memory consumption from inside a process? http://stackoverflow.com/questions/63166/how-to-determine-cpu-and-memory-consumption-from-inside-a-process file plus installed RAM. Virtual Memory currently used Same code as in Total Virtual Memory and then DWORDLONG virtualMemUsed.. pmc.PrivateUsage Total Physical Memory RAM Same code as in Total Virtual Memory and then DWORDLONG totalPhysMem.. memInfo.ullTotalPhys Physical Memory currently used Same code as in Total Virtual Memory and then DWORDLONG physMemUsed..
C/C++ Free alternative to Lint? [closed] http://stackoverflow.com/questions/632057/c-c-free-alternative-to-lint arithmetic Returning pointer to local array variable Same iterator is used with two containers Dangerous usage of erase..
how to achieve 4 FLOPs per cycle http://stackoverflow.com/questions/8389648/how-to-achieve-4-flops-per-cycle the aim of alternating addpd and mulpd 's if possible. Same applies to gcc 4.6.2 O2 march core2 . gcc O2 march nocona seems..
Difference between float and double http://stackoverflow.com/questions/2386772/difference-between-float-and-double and double for the output and the program gave the SAME results but this time it passed all the 10 tests correctly... all the 10 tests correctly. I repeat the output was the SAME the results were the SAME but putting float didn't work only.. I repeat the output was the SAME the results were the SAME but putting float didn't work only double. The values were not..
Returning Strings from DLL Functions http://stackoverflow.com/questions/4446620/returning-strings-from-dll-functions As long as you compile both the EXE and the DLL with the SAME compiler and both link the the SAME version of the runtime DYNAMICALLY.. and the DLL with the SAME compiler and both link the the SAME version of the runtime DYNAMICALLY then you'll be just fine...
Again - parallax mapping issue in OpenGL, GLSL. It's not as usual as it seem to be http://stackoverflow.com/questions/4750707/again-parallax-mapping-issue-in-opengl-glsl-its-not-as-usual-as-it-seem-to with glVertexAttrib4f. Result is... EXACTLY THE SAME. Height map is loading correctly I tried to set it as a diffuse..
Does an Array variable point to itself? http://stackoverflow.com/questions/9132835/does-an-array-variable-point-to-itself same BUT... To my surprise the value of 's' and ' s' are SAME unlike 'b'. Does that mean an Array variable points to itself..
|