c++ Programming Glossary: workWhy 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 and follow it. This is more or less how branch predictors work. Most applications have well behaved branches. So modern branch..
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 object files or libraries and now you want to get them to work together. Say you defined symbol a in a.cpp . Now b.cpp declared..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom and providing a strong exception guarantee . How does it work Conceptually it works by using the copy constructor's functionality.. exception guarantee . How does it work Conceptually it works by using the copy constructor's functionality to create a local.. to use the copy and swap idiom we need three things a working copy constructor a working destructor both are the basis..
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 as to call a member function overload. const_cast also works similarly on volatile though that's less common. dynamic_cast.. dynamic_cast has some limitations though. It doesn't work if there are multiple objects of the same type in the inheritance..
What can I use to profile C++ code in Linux? http://stackoverflow.com/questions/375913/what-can-i-use-to-profile-c-code-in-linux on which you will see it. There is no educated guesswork required. If you do have a guess as to what the problem is this.. in the presence of recursion. They will also say it only works on toy programs when actually it works on any program and it.. also say it only works on toy programs when actually it works on any program and it seems to work better on bigger programs..
http://stackoverflow.com/questions/4421706/operator-overloading this question Common operators to overload Most of the work in overloading operators is boiler plate code. That is little.. since operators are merely syntactic sugar their actual work could be done by and often is forwarded to plain functions... their arguments to either of these two to do the actual work. The syntax for overloading the remaining binary boolean operators..
http://stackoverflow.com/questions/4810664/how-do-i-use-arrays-in-c written in C you should have a firm grasp on how arrays work. This FAQ is split into five parts arrays on the type level.. if you want to sort an array both of the following would work equally well std sort x 0 x n std sort x 0 x 0 n Note that it..
Where and why do I have to put the “template” and “typename” keywords? http://stackoverflow.com/questions/610245/where-and-why-do-i-have-to-put-the-template-and-typename-keywords template after the last and the C committee said not to work on a solution. template typename T struct derive_from_Has_type..
Do the parentheses after the type name make a difference with new? http://stackoverflow.com/questions/620137/do-the-parentheses-after-the-type-name-make-a-difference-with-new initialized In a C 03 conformant compiler things should work like so new A indeterminate value new A value initialize A which..
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 of storages associated with local variables can be worked out ahead of time. For this reason local variables are usually.. in C# always stored on the stack How does virtual memory work And many more topics in how the C# memory manager works. Many.. work And many more topics in how the C# memory manager works. Many of these articles are also germane to C programmers http..
What is Linux?䏭 native GUI API? http://stackoverflow.com/questions/12717138/what-is-linuxs-native-gui-api in the future OpenGL will be the native GUI API in Linux. Work is being done to port GTK and QT to Wayland so that current..
Create registry entry to associate file extension with application in C++ http://stackoverflow.com/questions/1387769/create-registry-entry-to-associate-file-extension-with-application-in-c and File Association especially How File Associations Work And see also my similar answer to a similar question Associating..
Directory structure for C++ library http://stackoverflow.com/questions/1398445/directory-structure-for-c-library at least along with some examples and python bindings. Work is progressing nicely but at the moment the project is quite..
Canonical way to define forward output iterator http://stackoverflow.com/questions/14062297/canonical-way-to-define-forward-output-iterator . All algorithms that require an OutputIterator will Just Work with a mutable ForwardIterator again there is no need for it..
Why does int*[] decay into int** but not int[][]? http://stackoverflow.com/questions/14183546/why-does-int-decay-into-int-but-not-int a p i j the compiler is really doing this char tmp char p Work in units of bytes char i sizeof int 4 Offset for outer dimension..
c++11 async continuations or attempt at .then() semantics http://stackoverflow.com/questions/14200678/c11-async-continuations-or-attempt-at-then-semantics a .then type continuation. template typename Fut typename Work auto then Fut f Work w std future decltype w f.get return std.. template typename Fut typename Work auto then Fut f Work w std future decltype w f.get return std async w f.get This..
http://stackoverflow.com/questions/1541429/how-to-run-c-code-from-c for this kind of thing and it can not be easily added.. Work arounds Use an embeddable dynamic language like python tcl ruby..
c++ publicly inherited class member cannot be used as default argument http://stackoverflow.com/questions/2159538/c-publicly-inherited-class-member-cannot-be-used-as-default-argument local variables or non static class member variables. Work arounds for this are numerous and others have pointed out a..
c++ Mixing printf with wprintf (or cout with wcout) http://stackoverflow.com/questions/2708482/c-mixing-printf-with-wprintf-or-cout-with-wcout still looks strange to me I have to check up on it. Update Work around First of all the same problem arise with wprintf. But..
How to use libapt (or libept) in debian-like system to list packages and get their infos? http://stackoverflow.com/questions/341520/how-to-use-libapt-or-libept-in-debian-like-system-to-list-packages-and-get-the etc. get list of files installed by a single package Work directly with apt internal files is quite simple but i want..
http://stackoverflow.com/questions/4776355/does-wpf-work-with-c WPF Work with C My understanding is that Microsoft Visual Studio was..
How does this Array Size Template Work? http://stackoverflow.com/questions/6376000/how-does-this-array-size-template-work does this Array Size Template Work I came across this snippet template typename T size_t N char..
Undefined reference to 'vtable for xxx' http://stackoverflow.com/questions/7665190/undefined-reference-to-vtable-for-xxx int vector int pos theData possiblePositions.push pos Work for the position that represents taking one penny int minusFinal.. movedFrom Stack used for the algorithim. stack Position curWorkingPos The actual Map that the data will be held in. map Position.. initialData sizeof initialData gamesMap initial posData curWorkingPos.push initial Description A destructor for the class ~gameCore..
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