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c++ Programming Glossary: though

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

pedantic makes it output the proper ambiguity warning too though. I hope this helps somewhat to make it clearer how these two..

C++ convert hex string to signed integer

http://stackoverflow.com/questions/1070497/c-convert-hex-string-to-signed-integer

ss ss in ss out return out which you can use like this though this needs the 0x prefix so it knows it is hex unsigned int..

Using std Namespace

http://stackoverflow.com/questions/1265039/using-std-namespace

is a template with some long nested types. This is OK though because std count goes into the global namespace and the function.. means that std count looks in the increment function as though it was declared at the global scope i.e. at the same scope as..

Most vexing parse: why doesn't A a(()); work?

http://stackoverflow.com/questions/1424510/most-vexing-parse-why-doesnt-a-a-work

like finite state machines. If you are interested in that though the wikipedia pages won't be enough you'll have to get a book...

In what cases do I use malloc vs new?

http://stackoverflow.com/questions/184537/in-what-cases-do-i-use-malloc-vs-new

do something like char pBuffer new char 1024 Be careful though this is not correct This is incorrect may delete only one element..

What uses are there for “placement new”?

http://stackoverflow.com/questions/222557/what-uses-are-there-for-placement-new

be more efficient to allocate more than you need even though you don't want to use it yet. Devex gives a good example Standard..

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

reserved. You are allowed to add template specializations though. From the 2003 C Standard 17.4.3.2.1 Global names lib.global.names..

Undefined, unspecified and implementation-defined behavior

http://stackoverflow.com/questions/2397984/undefined-unspecified-and-implementation-defined-behavior

C programs that do not behave in a predictable way even though many C compilers will not report any errors in the program Let's..

Using fflush(stdin)

http://stackoverflow.com/questions/2979209/using-fflushstdin

fflush stdin Should I really abstain from using it even though my professor is using it and it seems to work flawlessly c..

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

overload. const_cast also works similarly on volatile though that's less common. dynamic_cast is almost exclusively used.. the case of a reference. dynamic_cast has some limitations though. It doesn't work if there are multiple objects of the same type.. operation that no other cast can. This is mostly a kludge though and in my mind is just another reason to avoid C style casts...

RAII and smart pointers in C++

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

leading to a memory leak i.e. not deleting object even though it is no longer required. This is where smart pointers come..

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

using unions their use may be very dangerous and must be thought of carefully you could look up the rules for unions in the.. sure not a POD Classes just like structs can be PODs even though the standard term is POD struct for both cases Just like in..

round() for float in C++

http://stackoverflow.com/questions/485525/round-for-float-in-c

no round in the C std library. You can write one yourself though double round double d return floor d 0.5 The probable reason..

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

college level students in C or C Are there any tools or thought processes that helped you understand how pointers work at the.. find the house. The house is still standing somewhere though and when you later on want to construct a new house you cannot.. given the address to and thus any attempts to use it as though it belongs to you might fail horribly. Sometimes you might even..

Where do I find the current C or C++ standard documents?

http://stackoverflow.com/questions/81656/where-do-i-find-the-current-c-or-c-standard-documents

Google for download locations . However in my opinion even though the draft versions might be very close to the final ratified..

Boost and XML (c++)

http://stackoverflow.com/questions/1042855/boost-and-xml-c

Gb XML file with less than 4 Gb of memory and do it fast. Though pugixml behaves better than all other DOM based parser so if..

Getting a FILE* from a std::fstream

http://stackoverflow.com/questions/109449/getting-a-file-from-a-stdfstream

do you want to convert the std fstream object into a FILE Though I don't recommend it you could try looking up funopen Unfortunately..

Which iomanip manipulators are 'sticky'?

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

on the stream itself rather than the stream object Though technically the stream is part of the stream objects state ...

How do you construct a std::string with an embedded null?

http://stackoverflow.com/questions/164168/how-do-you-construct-a-stdstring-with-an-embedded-null

is NOT ' 0' terminated as suggested in other posts . Though you can extract a pointer to an internal buffer that contains..

C++: do you (really) write exception safe code? [closed]

http://stackoverflow.com/questions/1853243/c-do-you-really-write-exception-safe-code

replace it well some variations exist but nothing novel . Though most people seem to ignore it or just accept it EH has some..

Difference between 'new operator' and 'operator new'?

http://stackoverflow.com/questions/1885849/difference-between-new-operator-and-operator-new

least conceptually it's not much different from malloc . Though it's fairly unusual unless you're writing something like your..

Static variables initialisation order

http://stackoverflow.com/questions/211237/static-variables-initialisation-order

So you really need to check out the linker documentation. Though I really doubt this will help in any useful way. For gcc Check..

C++: Easiest way to initialize an STL vector with hardcoded elements

http://stackoverflow.com/questions/2236197/c-easiest-way-to-initialize-an-stl-vector-with-hardcoded-elements

ints ints.push_back 10 ints.push_back 20 ints.push_back 30 Though I could shorten it using macro magic... Other ideas c stl vector..

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

fine and I don't see the l_Bbox object going out of scope. Though I understand in variant one the copy constructor is not called..

Friend scope in C++

http://stackoverflow.com/questions/437250/friend-scope-in-c

my own children who I trust as far as I could throw them. Though our children can not directly accesses the wireless they can..

Most complete c++ facebook library

http://stackoverflow.com/questions/5290241/most-complete-c-facebook-library

Facebook in c best to find the ones you need as you go. Though I recommend this Facebook api facebook graph api by meir yanovich..

When to use reinterpret_cast?

http://stackoverflow.com/questions/573294/when-to-use-reinterpret-cast

I have seen usage of both static_cast and reinterpret_cast Though from what I have been reading it appears static is better as.. static is better as the cast can happen at compile time Though it says to use reinterpret_cast to convert from one pointer..

How to force a static member to be initialized?

http://stackoverflow.com/questions/6420985/how-to-force-a-static-member-to-be-initialized

static char const get_dummy void dummy return 42 Though I'd still like the derived class not having to do that. c templates..

How to remove constness of const_iterator?

http://stackoverflow.com/questions/765148/how-to-remove-constness-of-const-iterator

. How to remove constness of a const_iterator Though iterators are generalised form of pointers but still const_iterator..

Boost::Spirit Expression Parser

http://stackoverflow.com/questions/8464969/boostspirit-expression-parser

here in the old Spirit docs eliminating left recursion Though the syntax no longer applies Spirit still generates LL recursive..

Array placement-new requires unspecified overhead in the buffer?

http://stackoverflow.com/questions/8720425/array-placement-new-requires-unspecified-overhead-in-the-buffer

detail and can change with compiler platform. Though it is typically stable for any given platform. E.g. this is..

Math interface vs cMath in C++

http://stackoverflow.com/questions/8734230/math-interface-vs-cmath-in-c

library have become overloads of std abs in cmath . Though both headers are in the standard you should really prefer cmath..

Why isn't there a std::shared_ptr<T[]> specialisation?

http://stackoverflow.com/questions/8947579/why-isnt-there-a-stdshared-ptrt-specialisation

the possibility but the idea wasn't without controversy. Though the controversy was mainly about a feature added to the shared_ptr..

What XML parser should I use in C++?

http://stackoverflow.com/questions/9387610/what-xml-parser-should-i-use-in-c

on iconv but it can be configured without that dependency. Though that does mean that you'll have a more limited set of possible..