¡@
c++ Programming Glossary: itsWhat is an undefined reference/unresolved external symbol error and how do I fix it? http://stackoverflow.com/questions/12573816/what-is-an-undefined-reference-unresolved-external-symbol-error-and-how-do-i-fix takes place in several steps as specified by 2.2 credits to Keith Thompson for the reference The precedence among the.. as a translation unit. SNIP Translated translation units and instantiation units are combined as follows SNIP All external.. SNIP Translated translation units and instantiation units are combined as follows SNIP All external entity references..
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 Each header declares or defines all identifiers listed in its associated subclause and optionally declares or defines identifiers.. and optionally declares or defines identifiers listed in its associated future library directions subclause and identifiers.. directions is reserved for use as specified if any of its associated headers is included unless explicitly stated otherwise..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three section 12 §1 By default copying an object means copying its members The implicitly defined copy constructor for a non union.. for a non union class X performs a memberwise copy of its subobjects. n3126.pdf section 12.8 §16 The implicitly defined.. a non union class X performs memberwise copy assignment of its subobjects. n3126.pdf section 12.8 §30 Implicit definitions..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points the execution environment it is said that the expression its evaluation has some side effect s . For example int x y where.. a b c §5.16 a b 5.18 in func a a is not comma operator its merely a separator between the arguments a and a . The behaviour.. may also be expected when this International Standard omits the description of any explicit definition of behavior. 3 permissible..
http://stackoverflow.com/questions/4421706/operator-overloading the stream ™s state is only necessary when the reading itself succeeded but the result is not what would be expected. Function.. in terms of etc. According to our rules of thumb and its companions should be non members while their compound assignment.. X lhs const X rhs lhs rhs return lhs operator returns its result per reference while operator returns a copy of its result...
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 a local variable's memory be accessed outside its scope I have the following code. int foo int a 5 return a int.. Isn't the memory of a local variable inaccessible outside its function c memory management local variables dangling share.. Isn't the memory of a local variable inaccessible outside its function You rent a hotel room. You put a book in the top drawer..
Why not use pointers for everything in C++? http://stackoverflow.com/questions/1064325/why-not-use-pointers-for-everything-in-c version is automatically cleaned up it is useful . Its destructor is automatically called which allows you to guarantee..
Getting started with OpenCV 2.4 and MinGW on Windows 7 http://stackoverflow.com/questions/10860352/getting-started-with-opencv-2-4-and-mingw-on-windows-7 OpenCV 2.4.3 First get OpenCV 2.4.3 from sourceforge.net. Its a self file extracting so just double click the file to start..
Installing OpenCV 2.4.3 in Visual C++ 2010 Express [closed] http://stackoverflow.com/questions/10901905/installing-opencv-2-4-3-in-visual-c-2010-express OpenCV 2.4.3 First get OpenCV 2.4.3 from sourceforge.net. Its a self extracting so just double click to start the installation...
Use of 'const' for function parameters http://stackoverflow.com/questions/117293/use-of-const-for-function-parameters it can be safer as it signals intent within the function. Its really a judgement call. I do tend to use const_iterator though..
Which I/O library do you use in your C++ code? [closed] http://stackoverflow.com/questions/119098/which-i-o-library-do-you-use-in-your-c-code using the iostream library. Disadvantages of iostreams Its verbose Advantages of iostreams Its easy to extend for new non.. of iostreams Its verbose Advantages of iostreams Its easy to extend for new non POD types. The step forward the C..
C++ Cross-Platform High-Resolution Timer http://stackoverflow.com/questions/1487695/c-cross-platform-high-resolution-timer Windows and Linux Unix C wrappers around OS specific APIs. Its performance library has several classes that would do what you..
Graph nodes coordinates evaluation [closed] http://stackoverflow.com/questions/15579069/graph-nodes-coordinates-evaluation and many interesting visual features. It looks like this Its a little to much code to post it here so here is a link to a..
Why not to use Turbo C++? [closed] http://stackoverflow.com/questions/1961828/why-not-to-use-turbo-c no idea absolutely how you are going to convince them P Its 16 bit Since I am also from Mumbai University I am pretty much..
Is there a LINQ library for C++? http://stackoverflow.com/questions/232222/is-there-a-linq-library-for-c question Linq by Hong Jiang looks like a good start. Its syntax is much closer to Linq than CLinq's. Linq by pfultz2..
http://stackoverflow.com/questions/3106110/what-is-move-semantics a copy here we call this constructor a move constructor . Its job is to move resources from one object to another instead..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three person b a is performed by the copy constructor . Its job is to construct a fresh object based on the state of an.. b a is performed by the copy assignment operator . Its job is generally a little more complicated because the target..
Gui toolkits, which should I use? [closed] http://stackoverflow.com/questions/584734/gui-toolkits-which-should-i-use is the least frustrating and most fully featured toolkit. Its also fully cross platform. Note that Qt will be LGPL licensed.. wxWidgets which is usable but not really comparable to Qt. Its a much lower level toolkit and isn't as easy to use or fully..
Why copying stringstream is not allowed? http://stackoverflow.com/questions/6010864/why-copying-stringstream-is-not-allowed of stream is disabled because it doesn't make sense. Its very very very important to understand what stream means to..
C++, template argument can not be deduced http://stackoverflow.com/questions/6060824/c-template-argument-can-not-be-deduced TMap SomeType Type is std map double double It cannot. Its NOT guaranteed that the type which you use in std map is also..
How should I write ISO C++ Standard conformant custom new and delete operators? http://stackoverflow.com/questions/7194127/how-should-i-write-iso-c-standard-conformant-custom-new-and-delete-operators new should call if it can't allocate the requested memory. Its return value is a pointer to the previously registered handler..
Uses for multiple levels of pointer dereferences? http://stackoverflow.com/questions/758673/uses-for-multiple-levels-of-pointer-dereferences there is to it its hard to make much of a case for that. Its still possible to get some useful work done though. Imagine..
What XML parser should I use in C++? http://stackoverflow.com/questions/9387610/what-xml-parser-should-i-use-in-c API. It was written by James Clark. It is also defunct. Its most recent version 0.7.1 is coming up on 5 years old. That..
|