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c++ Programming Glossary: basicallyhttp://stackoverflow.com/questions/1095298/gcc-c-linker-errors-undefined-reference-to-vtable-for-xxx-undefined-refere up a C project on Ubuntu x64 using Eclipse CDT. I'm basically doing a hello world and linking to a commerical 3rd party library...
What 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 of compilation most commonly referred to as linking. It basically means that you compiled a bunch of implementation files into..
throwing exceptions out of a destructor http://stackoverflow.com/questions/130117/throwing-exceptions-out-of-a-destructor 2 catch ... std cout Never print this std endl This basically boils down to Anything dangerous i.e. that could throw an exception..
Why aren't my include guards preventing recursive inclusion and multiple symbol definitions? http://stackoverflow.com/questions/14909997/why-arent-my-include-guards-preventing-recursive-inclusion-and-multiple-symbol satisfy the following requirements ... The above Paragraph basically lists all the definitions which are commonly put in header files..
http://stackoverflow.com/questions/1647631/c-state-machine-design all come down to a struct array and a loop. The structure basically consists of a state and event for lookup and a function that..
Most effective way for float and double comparison http://stackoverflow.com/questions/17333/most-effective-way-for-float-and-double-comparison only if the expected values are less than 1. Also if you basically have int arithmetic in doubles here we use doubles to hold int..
http://stackoverflow.com/questions/1761626/weighted-random-numbers to the objects or is more than a few dozen items long basically you have to profile to know if this helps or hinders then there..
Regular cast vs. static_cast vs. dynamic_cast http://stackoverflow.com/questions/28002/regular-cast-vs-static-cast-vs-dynamic-cast static_cast static_cast is used for cases where you basically want to reverse an implicit conversion with a few restrictions.. casts are also called c style cast. A c style cast is basically identical to trying out a range of sequences of C casts and..
What do 'statically linked' and 'dynamically linked' mean? http://stackoverflow.com/questions/311882/what-do-statically-linked-and-dynamically-linked-mean in memory copy of the executable not the one on disk. It's basically a method of deferred linking. There's an even more deferred..
Why does C++ compilation take so long? http://stackoverflow.com/questions/318398/why-does-c-compilation-take-so-long all the object files have to be linked together. This is basically a monolithic process that can't very well be parallelized and..
Can we increase the re-usability of this key-oriented access-protection pattern? http://stackoverflow.com/questions/3324898/can-we-increase-the-re-usability-of-this-key-oriented-access-protection-pattern needs to create. While a simple naming scheme function_key basically eliminates it it could still be one abstraction cleaner and..
http://stackoverflow.com/questions/408670/stack-static-and-heap-in-c what static heap and stack memory are A static variable is basically a global variable even if you cannot access it globally. Usually..
Why do I get “unresolved external symbol” errors when using templates? http://stackoverflow.com/questions/456713/why-do-i-get-unresolved-external-symbol-errors-when-using-templates this isn't supported by a lot of compilers. Both 1 and 2 basically address the problem by giving the compiler access to the full..
How to convert a number to string and vice versa in C++ http://stackoverflow.com/questions/5290089/how-to-convert-a-number-to-string-and-vice-versa-in-c best C libraries. Lexical cast uses streams underneath so basically this option is the same as the previous one just less verbose...
WChars, Encodings, Standards and Portability http://stackoverflow.com/questions/6300804/wchars-encodings-standards-and-portability feel free to tell me to go away. The question here is basically Do I understand the C standard correctly and is this the right..
Why is one loop so much slower than two loops? http://stackoverflow.com/questions/8547778/why-is-one-loop-so-much-slower-than-two-loops I am not sure if this helps Disassembly for the first loop basically looks like this this block is repeated about five times in the..
Possible to call C++ code from C#? http://stackoverflow.com/questions/935664/possible-to-call-c-code-from-c code from C# as if it were written in C#. The language was basically designed with interop into existing libraries as its killer..
How do I declare a 2d array in C++ using new? http://stackoverflow.com/questions/936687/how-do-i-declare-a-2d-array-in-c-using-new share improve this question A dynamic 2D array is basically an array of pointers to arrays . You should initialize it using..
What XML parser should I use in C++? http://stackoverflow.com/questions/9387610/what-xml-parser-should-i-use-in-c entities and the 6 basic XML ones and so forth. So basically nodes elements attributes and such. Also it is a DOM style parser...
How do I build a GUI in C++? [closed] http://stackoverflow.com/questions/1186017/how-do-i-build-a-gui-in-c is the wrong word here. I'm not sure if it's correct. Edit Basically my question is how . Where do I start How do I even create the.. jobs like create a window or put a button on the window. Basically you get a suite of header files and you can call functions in..
Why aren't my include guards preventing recursive inclusion and multiple symbol definitions? http://stackoverflow.com/questions/14909997/why-arent-my-include-guards-preventing-recursive-inclusion-and-multiple-symbol refuse to generate your executable. Why is this happening Basically each .cpp file the technical term in this context is translation..
How to create minidump for my process when it crashes? http://stackoverflow.com/questions/1547211/how-to-create-minidump-for-my-process-when-it-crashes next link . CodeProject has a nice article on MiniDumps . Basically you want to use dbghelp.dll and use the function MiniDumpWriteDump..
How come a non-const reference cannot bind to a temporary object? http://stackoverflow.com/questions/1565600/how-come-a-non-const-reference-cannot-bind-to-a-temporary-object on a modifiable rvalue is explicit so it's allowed ... Basically you shouldn't try to modify temporaries for the very reason..
http://stackoverflow.com/questions/162941/why-use-pointers after coding a few projects with high level languages. Basically I have three questions Why use pointers over normal variables..
Default constructor with empty brackets http://stackoverflow.com/questions/180172/default-constructor-with-empty-brackets vexing parse This is known as C 's most vexing parse . Basically anything that can be interpreted by compiler as function declaration..
Why does the C++ STL not provide any “tree” containers? http://stackoverflow.com/questions/205945/why-does-the-c-stl-not-provide-any-tree-containers access characteristics For this we have std map std set Basically the characteristics of these two containers is such that they..
Undefined, unspecified and implementation-defined behavior http://stackoverflow.com/questions/2397984/undefined-unspecified-and-implementation-defined-behavior be surprising to programmers coming from other languages. Basically it is possible to write C programs that do not behave in a predictable.. . This is exactly the problem with undefined behavior. Basically the standard allows anything to happen once you invoke undefined.. . What can you do to avoid running into undefined behavior Basically you have to read good C books by authors who know what they're..
What is the point of function pointers? http://stackoverflow.com/questions/2592137/what-is-the-point-of-function-pointers the address of h instead then f will call back h instead. Basically this is a way to parametrize a function Some part of its behavior..
http://stackoverflow.com/questions/3582001/advantages-of-using-forward can read the entire problem in detail but I'll summarize. Basically given the expression E a b ... c we want the expression f a..
What C++ Smart Pointer Implementations are available? http://stackoverflow.com/questions/5026197/what-c-smart-pointer-implementations-are-available boost shared_array This is a boost shared_ptr for arrays. Basically new operator and of course delete are baked in. This can be..
How to build Qt for Visual Studio 2010 http://stackoverflow.com/questions/5601950/how-to-build-qt-for-visual-studio-2010 To start it just type nmake Setting environment variables Basically we are done. All you need to do is to set your environment variables..
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 it without getting them bogged down in the overall concept Basically drill like scenarios. c c pointers share improve this question..
how to provide a swap function for my class? http://stackoverflow.com/questions/6380862/how-to-provide-a-swap-function-for-my-class you. EDIT Looks like I didn't word my question clearly. Basically I have a template class and I need STL algos to use the efficient..
Why should `new` be used as little as possible? http://stackoverflow.com/questions/6500313/why-should-new-be-used-as-little-as-possible Why you should use automatic storage as often as possible Basically the last paragraph sums it up. Using automatic storage as often.. is an additional benefit which is not immediately obvious. Basically it's better than the sum of its parts. The whole mechanism composes..
How do I expand a tuple into variadic template function's arguments? http://stackoverflow.com/questions/687490/how-do-i-expand-a-tuple-into-variadic-template-functions-arguments this question Here's my code if anyone is interested Basically at compile time the compiler will recursively unroll all arguments..
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