c++ Programming Glossary: goWhy is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array miraculously speeds up the code by almost 6x #include algorithm #include ctime #include iostream int main Generate data.. that is because the array was just generated. What is going on Why is a sorted array faster than an unsorted array The.. hear a train coming. You have no idea which way it will go. You stop the train to ask the captain which direction he wants...
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 int const const int const int const const If you want to go really crazy you can do things like this int pointer to pointer..
Do-While and if-else statements in C/C++ macros http://stackoverflow.com/questions/154136/do-while-and-if-else-statements-in-c-c-macros f X you have a more complicated body of code that needs to go in its own block say for example to declare local variables...
Most effective way for float and double comparison http://stackoverflow.com/questions/17333/most-effective-way-for-float-and-double-comparison processing. Does anyone know a smarter float comparer c algorithm optimization floating point share improve this question.. underlying problems were The implicit presumption in an algorithm that if a b and b c then a c . Using the same epsilon for..
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 and you aren't using virtual inheritance. It also can only go through public inheritance it will always fail to travel through..
http://stackoverflow.com/questions/402283/stdwstring-vs-stdstring wide characters such as Unicode characters. I have got the following questions When should I use std wstring over.. dealing with some kind of esoteric language glyphs Klingon Elvish while UTF 8 will spend from 1 to 4 bytes. See http en.wikipedia.org.. being a number from 0 to 255 . But ASCII is supposed to go from 0 to 127. Higher chars are NOT ASCII. a char from 0 to..
http://stackoverflow.com/questions/4172722/what-is-the-rule-of-three the constructor and released in the destructor. Let us go back in time to pre standard C . There was no such thing as.. to this problem is the copy and swap idiom but I will not go into the details of exception safety here. I only mentioned..
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 at the variable function and beyond level What are some good practice things that can be done to bring somebody to the.. can be done to bring somebody to the level of Ah hah I got it without getting them bogged down in the overall concept.. When later on you look at the piece of paper you've forgotten that the house is no longer there and goes to visit it with..
What are the differences between pointer variable and reference variable in C++? http://stackoverflow.com/questions/57483/what-are-the-differences-between-pointer-variable-and-reference-variable-in-c define attractive interfaces. Use pointers to implement algorithms and data structures. Interesting read My alltime favorite.. error Pointers can iterate over an array you can use to go to the next item that a pointer is pointing to and 4 to go to.. go to the next item that a pointer is pointing to and 4 to go to the 5th element. This is no matter what size the object is..
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 You put a book in the top drawer of the bedside table and go to sleep. You check out the next morning but forget to give.. situation anything can happen . The book can be there you got lucky. Someone else's book can be there and yours could be.. torn down and replaced with a football stadium and you are going to die in an explosion while you are sneaking around. You..
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 are the ones I am searching for right now where are there good online resources for C89 C99 C 03 C 11 c c standards c faq.. them as references. Of course starving students should go ahead and use the drafts if strapped for cash. It appears that..
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 here Now that your OpenCV environment is ready what's next Go to the samples dir &rarr C opencv samples cpp . Read and compile..
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 here Now that your OpenCV environment is ready what's next Go to the samples dir &rarr c opencv samples cpp . Read and compile..
Compiling Qt 4.8.x for Visual Studio 2012 http://stackoverflow.com/questions/12113400/compiling-qt-4-8-x-for-visual-studio-2012 Qt 4.8.3 source code from http qt project.org downloads Go to mkspecs win32 msvc2010 . Open qmake.conf and change QMAKE_COMPILER_DEFINES.. msvc2010 Followed by nmake I programmed a tool called BlueGo which automatically downloads Qt 4.8.3 and builds it with VS2012..
biggest integer that can be stored in a double http://stackoverflow.com/questions/1848700/biggest-integer-that-can-be-stored-in-a-double integer. It's represented precisely. What more do you want Go on ask me what the biggest integer is such that it and all smaller..
casting via void* instead of using reinterpret_cast http://stackoverflow.com/questions/1863069/casting-via-void-instead-of-using-reinterpret-cast
How to compile a 64-bit application using Visual C++ 2010 Express? http://stackoverflow.com/questions/1865069/how-to-compile-a-64-bit-application-using-visual-c-2010-express bb980924.aspx Change your project configuration. Go to Properties of your project. On the top of the dialog box..
How to use Boost in Visual Studio 2010 http://stackoverflow.com/questions/2629421/how-to-use-boost-in-visual-studio-2010 type complete architecture x86 address model 64 stage . Go for a walk watch a movie or 2 .... Go through steps 2 6 from.. model 64 stage . Go for a walk watch a movie or 2 .... Go through steps 2 6 from the set of instruction above to set the..
http://stackoverflow.com/questions/2727749/c-split-string result. c string split share improve this question Go to the duplicate questions to learn how to split a string into..
Create a reverse LinkedList in C++ from a given LinkedList http://stackoverflow.com/questions/4908193/create-a-reverse-linkedlist-in-c-from-a-given-linkedlist c linked list share improve this question Easier one Go through your linked list save the previous and the next node..
Explain Morris inorder tree traversal without using stacks or recursion http://stackoverflow.com/questions/5502916/explain-morris-inorder-tree-traversal-without-using-stacks-or-recursion does not have left child a. Print current 䏭 data b. Go to the right i.e. current current right Else a. In current's.. make current the right child of the rightmost node b. Go to this left child i.e. current current left I understand the..
Vim and Ctags tips and tricks [closed] http://stackoverflow.com/questions/563616/vim-and-ctags-tips-and-tricks to tag into and tag out of functions Ctrl Left_MouseClick Go to definition Ctrl Right_MouseClick Jump back from definition..
Adding static libcurl to Code::Blocks IDE http://stackoverflow.com/questions/6243638/adding-static-libcurl-to-codeblocks-ide I used to make this work be sure to follow them carefully Go to Project build options Compiler settings #defines type in..
Create WCF service for unmanaged C++ clients http://stackoverflow.com/questions/686452/create-wcf-service-for-unmanaged-c-clients in the app.config file created in Step 2 above. Click the Go button. The Hello Service should show up in the Services list...
OpenCV 2.3 C++ Visual Studio 2010 http://stackoverflow.com/questions/7011238/opencv-2-3-c-visual-studio-2010 the project so it can locate OpenCV headers and libraries. Go to the Project Properties ALT F7 and once the new window shows..
“string could not resolved” error in eclipse for C++ http://stackoverflow.com/questions/7905025/string-could-not-resolved-error-in-eclipse-for-c in Eclipse if not jump to the next section Detailed fix . Go to project properties C C Build Tool Chain Editor Change the.. or just create a new if you prefer CDT Build system Go to project properties C C Build Toolchain editor. Choose your..
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