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c++ Programming Glossary: important

Is there a difference in C++ between copy initialization and direct initialization?

http://stackoverflow.com/questions/1051379/is-there-a-difference-in-c-between-copy-initialization-and-direct-initializati

object so a copy constructor is needed too but this is not important below As you see copy initialization is in some way a part of..

what is the difference between const int*, const int * const, int const *

http://stackoverflow.com/questions/1143262/what-is-the-difference-between-const-int-const-int-const-int-const

to but you can't changed the strings content. This is important when the string itself is in the data segment of a program and..

Why isn't sizeof for a struct equal to the sum of sizeof of each member?

http://stackoverflow.com/questions/119123/why-isnt-sizeof-for-a-struct-equal-to-the-sum-of-sizeof-of-each-member

libraries that will be used by different compilers it is important to understand how the compilers align data. Some compilers have..

What is move semantics?

http://stackoverflow.com/questions/3106110/what-is-move-semantics

expression that lexically contains the rvalue . This is important because during the initialization of b and c we could do whatever..

What is the copy-and-swap idiom?

http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom

tackled at once. Why does it work We first notice an important choice the parameter argument is taken by value . While one.. temp other swap this temp return this We lose an important optimization opportunity . Not only that but this choice is.. What about C 11 The next version of C C 11 makes one very important change to how we manage resources the Rule of Three is now The..

When should static_cast, dynamic_cast and reinterpret_cast be used?

http://stackoverflow.com/questions/332030/when-should-static-cast-dynamic-cast-and-reinterpret-cast-be-used

explicitly stating static_cast isn't necessary but it's important to note that the T something syntax is equivalent to T something.. capable of removing it not even reinterpret_cast . It is important to note that modifying a formerly const value is only undefined..

RAII and smart pointers in C++

http://stackoverflow.com/questions/395123/raii-and-smart-pointers-in-c

file File append The exact semantics of this aren't really important just that we've got a file to be used as a log Now let's set..

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

vice versa. The list goes on and on... Conclusion It is important to understand what exactly a POD is because many language features..

Operator overloading

http://stackoverflow.com/questions/4421706/operator-overloading

by and often is forwarded to plain functions. But it is important that you get this boiler plate code right. If you fail either.. const X lhs const X rhs return operator lhs rhs The important thing to note here is that only two of these operators actually..

When to use virtual destructors?

http://stackoverflow.com/questions/461203/when-to-use-virtual-destructors

methods class Derived public Base ~Derived Do some important cleanup Here you'll notice that I didn't declare Base's destructor..

How do I use arrays in C++?

http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c

common pitfalls when using arrays If you feel something important is missing in this FAQ write an answer and link it here as an.. std is_same int 8 int value an array is not a pointer One important context in which an array does not decay into a pointer to its..

What are the barriers to understanding pointers and what can be done to overcome them?

http://stackoverflow.com/questions/5727/what-are-the-barriers-to-understanding-pointers-and-what-can-be-done-to-overcome

accurately explain how buffer overruns really work it was important that I added these diagrams. Disclaimer For all intents and.. that will most often cause crash is when you overwrite important parts of the data you stored that really should not be randomly..

What is the difference between char a[] = “string”; and char *p = “string”;

http://stackoverflow.com/questions/9460260/what-is-the-difference-between-char-a-string-and-char-p-string

like this a s t r i n g 0 p s t r i n g 0 It is important to realize that a reference like x 3 generates different code..

Application developers wanting to start web development?

http://stackoverflow.com/questions/1032245/application-developers-wanting-to-start-web-development

could eventually become really handy SQL for databases Important links XHTML Tutorial http www.w3schools.com html default.asp..

QT5 beta2, QT creator 2.6, MSVC error: Qt Creator needs a compiler set up to build. Configure a compiler in the kit options [duplicate]

http://stackoverflow.com/questions/13608596/qt5-beta2-qt-creator-2-6-msvc-error-qt-creator-needs-a-compiler-set-up-to-bui

QT5.0.0 beta2 MSVC2010 32bit SDK default Manual none Important thing here is there is no compiler selected When i click on..

Which iomanip manipulators are 'sticky'?

http://stackoverflow.com/questions/1532640/which-iomanip-manipulators-are-sticky

show this. c c faq share improve this question Important notes from the comments below By Martin @Chareles Then by this..

object size with virtual

http://stackoverflow.com/questions/2038717/object-size-with-virtual

the underneath rule for the object size in this case Important point there are no rules the compiler can do whatever it needs..

How different is Objective-C from C++? [closed]

http://stackoverflow.com/questions/2445050/how-different-is-objective-c-from-c

of the syntax features paradigms frameworks and libraries Important My goal is not to start a performance war between the two languages...

How to parse a tar file in C++

http://stackoverflow.com/questions/2505042/how-to-parse-a-tar-file-in-c

length of the actual file is stored in ascii octal at 124 Important note The spec lies there are only 11 digits in the file size..

C++ constant reference lifetime

http://stackoverflow.com/questions/2604206/c-constant-reference-lifetime

of the temporary object GotW #88 A Candidate For the Most Important const it apparently won't help you in this case. On the other..

return value (not a reference) from the function, bound to a const reference in the calling function; how is its lifetime extended to the scope of the calling function?

http://stackoverflow.com/questions/2615162/return-value-not-a-reference-from-the-function-bound-to-a-const-reference-in

lifetime 2604269#2604269 GotW #88 A Candidate For the Most Important const An example that might help visualize what's going on #include..

Unmangling the result of std::type_info::name

http://stackoverflow.com/questions/281818/unmangling-the-result-of-stdtype-infoname

name return name #endif The old answer from Dec 27 2010 Important changes made to KeithB's code the buffer has to be either allocated..

How do I write a std::codecvt facet?

http://stackoverflow.com/questions/2971386/how-do-i-write-a-stdcodecvt-facet

find any better instructions in the Internet two yars ago. Important notices theoretically there is no need for such work. codecvt_byname..

Iteration over vector in C++

http://stackoverflow.com/questions/409348/iteration-over-vector-in-c

vector T iterator it v.begin it v.end it std cout it ... Important is always use the prefix increment form for iterators whose..

Override and overload in C++

http://stackoverflow.com/questions/429125/override-and-overload-in-c

the arguments when a call is made wins and is called. Important to note as opposed to calling a virtual function is that the..

How should I use FormatMessage() properly in C++?

http://stackoverflow.com/questions/455434/how-should-i-use-formatmessage-properly-in-c

local heap for error text FORMAT_MESSAGE_ALLOCATE_BUFFER Important will fail otherwise since we're not and CANNOT pass insertion..

How to get Process Name in C++

http://stackoverflow.com/questions/4570174/how-to-get-process-name-in-c

#include tchar.h #include stdio.h #include psapi.h Important Must include psapi.lib in additional dependencies section In..

What are access specifiers? Should I inherit with private, protected or public?

http://stackoverflow.com/questions/5447498/what-are-access-specifiers-should-i-inherit-with-private-protected-or-public

to the classes and members down the inheritance hierarchy. Important points to note Access Specification is per Class not per Object..

What does T&& (double ampersand) mean in C++11?

http://stackoverflow.com/questions/5481539/what-does-t-double-ampersand-mean-in-c11

calls foo foo auto p2 factory foo p1 calls foo foo const Important rvalue reference properties For overload resolution lvalues..

Is cout synchronized/thread-safe?

http://stackoverflow.com/questions/6374264/is-cout-synchronized-thread-safe

multiple threads Is this vendor dependent What does gcc do Important Please provide some kind of reference for your answer if you..

What is a good Linux IDE for code completion?

http://stackoverflow.com/questions/780837/what-is-a-good-linux-ide-for-code-completion

familiar graphical IDE. I use Gnome if that's important. Important This question is asking about code completion . Please do not..

Executing cv::warpPerspective for a fake deskewing on a set of cv::Point

http://stackoverflow.com/questions/7838487/executing-cvwarpperspective-for-a-fake-deskewing-on-a-set-of-cvpoint

They are much faster . getAffineTransform warpAffine . Important note getAffine transform needs and expects ONLY 3 points and..

gSOAP Multithreading

http://stackoverflow.com/questions/8150380/gsoap-multithreading

c multithreading gsoap share improve this question Important This code requires gsoap version 2.8.5 as a minimum. It was..