c++ Programming Glossary: exAdd Library to Visual Studio 2008 C++ Project http://stackoverflow.com/questions/1114914/add-library-to-visual-studio-2008-c-project getting a project started with Visual Studio 2008. I'm experimenting with MAPI and I'm getting error messages like this.. like this when I go to build the project unresolved external symbol _MAPIUninitialize@0 referenced in function _main..
Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513? http://stackoverflow.com/questions/11413855/why-is-transposing-a-matrix-of-512x512-much-slower-than-transposing-a-matrix-of transposing a matrix of 513x513 After conducting some experiments on square matrices of different sizes a pattern came.. optimization share improve this question The explanation comes from Agner Fog in Optimizing software in C and.. the newly read memory. I'll try to somewhat follow the example from Agner Assume each set has 4 lines each holding 64..
What is “cache-friendly” code? http://stackoverflow.com/questions/16699247/what-is-cache-friendly-code cache friendly&rdquo code Could someone possibly give an example of cache unfriendly code and the cache friendly version.. Preliminaries Modern computer architectures feature complex memory hierarchies registers typically several levels of cache.. caches and so forth. The basic mantra is fast memory is expensive . This is the core reason for the advanced caching we..
How do I flush the cin buffer? http://stackoverflow.com/questions/257091/how-do-i-flush-the-cin-buffer a second argument which is the character to read until ex ' n' to ignore a single line . Also You probably want to do..
http://stackoverflow.com/questions/315948/c-catching-all-exceptions catching all exceptions Is there a c equivalent of java's try ... catch Throwable.. and only seems to crash when called through jni. A generic exception catching mechanism would prove extremely useful. c exception.. jni. A generic exception catching mechanism would prove extremely useful. c exception share improve this question ..
Windows threading: _beginthread vs _beginthreadex vs CreateThread C++ http://stackoverflow.com/questions/331536/windows-threading-beginthread-vs-beginthreadex-vs-createthread-c threading _beginthread vs _beginthreadex vs CreateThread C What's a better way to start a thread I'm.. the advantages disadvantages of _beginthread _beginthreadex and CreateThread. All of these functions return a thread handle.. thread I already know that CreateThread provides a little extra information when an error occurs it can be checked by calling..
Some clarification needed about synchronous versus asynchronous asio operations http://stackoverflow.com/questions/5282659/some-clarification-needed-about-synchronous-versus-asynchronous-asio-operations The Boost.Asio documentation really does a fantastic job explaining the two concepts. As Ralf mentioned Chris also has a.. blog describing asynchronous concepts. The parking meter example explaining how timeouts work is particularly interesting.. asynchronous concepts. The parking meter example explaining how timeouts work is particularly interesting as is..
Developing Internet Explorer Extensions? http://stackoverflow.com/questions/5643819/developing-internet-explorer-extensions Explorer Extensions After developing a few Firefox Chrome extensions I've decided to try and expand my skill set by developing.. a few Firefox Chrome extensions I've decided to try and expand my skill set by developing an Internet Explorer extension.. and expand my skill set by developing an Internet Explorer extension in C#. I went into it thinking it wouldn't be too bad...
Why does modulus division (`%`) only work with integers? http://stackoverflow.com/questions/6102948/why-does-modulus-division-only-work-with-integers but the input was a float Given a function which repeats ex sin and a computer function that can only compute it when the.. it when the range is within one segment of that range ex pi to pi make a function that can handle any input. The obvious.. that required to generate integer quotient. In order to extend the concept of remainder to real numbers you have to introduce..
http://stackoverflow.com/questions/6751749/size-of-a-pointer pointing to or do pointers always have a fixed size For example... int x 10 int myPtr x char y 'a' char myPtr2 y std cout.. this question Pointers generally have a fixed size for ex. on a 32 bit executable they're usually 32 bit. There are some.. Pointers generally have a fixed size for ex. on a 32 bit executable they're usually 32 bit. There are some exceptions like..
C++, __try and try/catch/finally http://stackoverflow.com/questions/7049502/c-try-and-try-catch-finally So when do you need these underscores Thanks Martin c exception handling try catch finally share improve this question.. catch finally share improve this question On Windows exceptions are supported at the operating system level. Called.. of this they use the SEH infrastructure to implement C exceptions. In keeping with the C standard the throw and catch..
When to mark a function in C++ as a virtual? http://stackoverflow.com/questions/8298041/when-to-mark-a-function-in-c-as-a-virtual will call the Parent's class method which might not be expected by the developer. thanks to the static binding I've introduced.. to be virtual for the such previous code to run as expected c polymorphism virtual dynamic binding share improve.. virtual just because you feel it imparts additional flexibility rather think of your design and purpose of exposing an..
Get std::fstream failure error messages and/or exceptions http://stackoverflow.com/questions/839644/get-stdfstream-failure-error-messages-and-or-exceptions std fstream failure error messages and or exceptions I'm using fstream. Is there any way to get the failure.. using fstream. Is there any way to get the failure message exception For example if I'm unable to open the file c share.. Is there any way to get the failure message exception For example if I'm unable to open the file c share improve this..
Sequence-zip function for c++11? http://stackoverflow.com/questions/8511035/sequence-zip-function-for-c11 like for auto x Y Which IMO is a huge improvement from for ex. for std vector int iterator x Y.begin x Y.end x Can it be used..
The main difference between Java & C++ [closed] http://stackoverflow.com/questions/9192309/the-main-difference-between-java-c main difference between Java C closed Before my exam in the following week on advanced programming I've tried to.. think of the main differences between Java and C . From my experience with both languages C uses pointers and have memory.. Java Source code converts into byte code .The interpreter execute this byte code at run time and gives output .Java is interpreted..
how to find the location of the executable in C http://stackoverflow.com/questions/933850/how-to-find-the-location-of-the-executable-in-c to find the location of the executable in C Is there a way in C C to find the location full.. a way in C C to find the location full path of the current executed program The problem with argv 0 is that it does not give.. really straight and realiable way is to readlink proc self exe buf bufsize Linux readlink proc curproc file buf bufsize FreeBSD..
Can i use the native libraries (installed in android stack) in my NDK application? http://stackoverflow.com/questions/10169336/can-i-use-the-native-libraries-installed-in-android-stack-in-my-ndk-applicatio which will be calling the routines of the existing library Ex. OpenGL Compile your code by linking it with the prebuilt library..
http://stackoverflow.com/questions/10587598/simd-prefix-sum-on-intel-cpu sum algorithm and would need it to be as fast as possible. Ex 3 1 7 0 4 1 6 3 should give 3 4 11 11 15 16 22 25 Is there a..
Is this C++ structure initialization trick safe? http://stackoverflow.com/questions/112085/is-this-c-structure-initialization-trick-safe They will create instead an extended MY_STRUCT Ex struct with the same initial layout as MY_STRUCT with additionnal..
Precision loss with double C++ http://stackoverflow.com/questions/12096852/precision-loss-with-double-c doesn't contains the exact value. It has rounded off. Ex double dValue 79447461534242.913072 Assignement of value But..
In C++, is there a difference between ?𦭛hrow??and ?𦭛hrow ex?? http://stackoverflow.com/questions/1833982/in-c-is-there-a-difference-between-throw-and-throw-ex is the difference in C between try some code here catch MyException ex throw ex and try some code here catch MyException.. MyException ex throw ex and try some code here catch MyException ex throw Is it just in the stack trace which in C is.. where there some other exception classes derived from MyException class and while throwing an exception you have done a..
Overloading global swap for user-defined type http://stackoverflow.com/questions/2223245/overloading-global-swap-for-user-defined-type own swap for your class template template class T struct Ex friend void swap Ex a Ex b using std swap swap a.n b.n T n And.. class template template class T struct Ex friend void swap Ex a Ex b using std swap swap a.n b.n T n And here is how you call.. template template class T struct Ex friend void swap Ex a Ex b using std swap swap a.n b.n T n And here is how you call swap..
http://stackoverflow.com/questions/2702853/direct-access-to-harddrive to harddrive I was wondering how hard disk access works. Ex how could I view modify sectors Im targeting Windows if that..
How to call C++ function from C? http://stackoverflow.com/questions/2744181/how-to-call-c-function-from-c oriented style even though C is not object oriented. Ex .h file ... #ifdef __cplusplus #define EXTERNC extern C #else..
http://stackoverflow.com/questions/4061438/what-do-i-need-to-do-before-deleting-elements-in-a-vector-of-pointers-to-dynamic call delete myVec index as you iterate over all elements. Ex for int i 0 i myVec.size i delete myVec i With that said if..
Class for calculating arbitrarily large numbers? http://stackoverflow.com/questions/4907806/class-for-calculating-arbitrarily-large-numbers order to do arithmetic on it as if it was a normal number. Ex BigNumber num num 8 for int i 0 i 5000000 i num num Thanks ..
read an string line by line using c++ http://stackoverflow.com/questions/5059049/read-an-string-line-by-line-using-c by line. Please show me how to do it with a small example. Ex I have a string string h h will be Hello there. How are you..
Loading DLL from a location in memory http://stackoverflow.com/questions/638277/loading-dll-from-a-location-in-memory in memory instead of a file similarly to LoadLibrary Ex . I'm no expert in WinAPI so googled a little and found this..
Functions with return values (C++) http://stackoverflow.com/questions/7376554/functions-with-return-values-c which the function is called is 'usually' an assignment . Ex class complex private int real int imag public complex complex..
Passing temporary object as parameter by value - is copy constructor called? http://stackoverflow.com/questions/8451212/passing-temporary-object-as-parameter-by-value-is-copy-constructor-called a class with both standard and copy constructors class Ex constructor definitions and a function that takes it as an argument.. a function that takes it as an argument by value void F Ex _exin ... take the following piece of code Ex A F A F's parameter.. value void F Ex _exin ... take the following piece of code Ex A F A F's parameter is copy constructed from A F Ex F's parameter..
Advice for C++ GUI programming http://stackoverflow.com/questions/875686/advice-for-c-gui-programming taken this road before what advice tips can you give me. Ex good readings tutorials approach tactics etc... I know this..
Overriding a Base's Overloaded Function in C++ [duplicate] http://stackoverflow.com/questions/888235/overriding-a-bases-overloaded-function-in-c Is this by design or am I just doing something wrong Ex. class foo public foo void ~foo void virtual void a int virtual..
http://stackoverflow.com/questions/9636903/what-are-the-distinctions-between-the-various-symbols-etc-combined-with-p to those parameters . What exactly are their meanings Ex What is the difference between void func int var and void func..
Template Metaprogramming - Difference Between Using Enum Hack and Static Const http://stackoverflow.com/questions/2172647/template-metaprogramming-difference-between-using-enum-hack-and-static-const enum hack when using template metaprogramming techniques. EX Fibonacci via TMP template int n struct TMPFib static const..
Why does calling boost:split() give so many warnings? http://stackoverflow.com/questions/9653155/why-does-calling-boostsplit-give-so-many-warnings
C++ assert implementation in assert.h http://stackoverflow.com/questions/9701229/c-assert-implementation-in-assert-h _ASSERT_H 00030 00031 #ifdef NDEBUG 00032 # define assert EX 00033 #else 00034 # define assert EX void EX __assert #EX __FILE__.. 00032 # define assert EX 00033 #else 00034 # define assert EX void EX __assert #EX __FILE__ __LINE__ 0 00035 #endif 00036.. define assert EX 00033 #else 00034 # define assert EX void EX __assert #EX __FILE__ __LINE__ 0 00035 #endif 00036 00037 #ifdef..
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