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c++ Programming Glossary: ohWhat is a smart pointer and when should I use one? http://stackoverflow.com/questions/106508/what-is-a-smart-pointer-and-when-should-i-use-one p1 gets set to empty p2 DoSomething Works. p1 DoSomething Oh oh. Hopefully raises some NULL pointer exception. share improve..
http://stackoverflow.com/questions/1115876/autocompletion-in-vim only if you've forgotton how to spell class or while . Oh well. Ctags gives you the rudiments but has a lot of drawbacks...
How do I build a GUI in C++? [closed] http://stackoverflow.com/questions/1186017/how-do-i-build-a-gui-in-c are your only job is to write and register handlers. edit Oh also I forgot to mention that GUI programming is incredibly..
http://stackoverflow.com/questions/12878344/volatile-in-c11 volatile has nothing to do with it one way or the other. Oh your code might work. But C 11 doesn't guarantee it . What volatile.. std atomic int x with the proper atomic load store calls. Oh and you don't need to make x volatile too. Anytime you call..
Overloading friend operator << for template class http://stackoverflow.com/questions/1297609/overloading-friend-operator-for-template-class code under Visual Studio 2008 with warnings at level 4. Oh there are the classical linker errors but that is easily bypassed..
http://stackoverflow.com/questions/162941/why-use-pointers memory and cause your program to crash if you are lucky . Oh and if you don't assign a string value to the char array pointer..
Help a C++ newbie understand his mistakes: header files and cpp files http://stackoverflow.com/questions/1686204/help-a-c-newbie-understand-his-mistakes-header-files-and-cpp-files making one huge source file without any separation at all. Oh that's no big deal. If it runs it's fine I hear you cry. And.. computer it can take a matter of hours instead of seconds. Oh no That sounds horrible However can I prevent this dire fate..
When should I write the keyword 'inline' for a function/method? http://stackoverflow.com/questions/1759300/when-should-i-write-the-keyword-inline-for-a-function-method function method c inline share improve this question Oh man one of my pet peeves. inline is more like static or extern..
Rotating a point about another point (2D) http://stackoverflow.com/questions/2259476/rotating-a-point-about-another-point-2d p Thanks c algorithm share improve this question Oh that's easy.. first subtract the pivot point cx cy then rotate..
How can I write a power function myself? http://stackoverflow.com/questions/2882706/how-can-i-write-a-power-function-myself which calculates the power of a real number Thanks Oh maybe important to note I cannot use functions which use powers..
How to estimate the thread context switching overhead? http://stackoverflow.com/questions/304752/how-to-estimate-the-thread-context-switching-overhead might try like 1800 suggested with performance counters. Oh and I remember an application running on Windows CE 4.X where..
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++? http://stackoverflow.com/questions/3457967/what-belongs-in-an-educational-tool-to-demonstrate-the-unwarranted-assumptions-p cases you are d mainstream n 100 100 count total return 0 Oh and I made this community wiki right from the start because..
Why is std::function not equality comparable? http://stackoverflow.com/questions/3629835/why-is-stdfunction-not-equality-comparable S a b bool are_equal a b Uses operator bool on a and b Oh no I was under the impression that the safe bool idiom in C..
http://stackoverflow.com/questions/379172/to-use-goto-or-not be destructed and deleted automatically on function exit Oh yes and use std unique_ptr or something similar because the..
Unsequenced value computations (a.k.a sequence points) http://stackoverflow.com/questions/3852768/unsequenced-value-computations-a-k-a-sequence-points evaluating constructor arguments. That's cool. Edit #4 Oh what a tangled web we weave Johannes notes again that in i i..
How to forward declare a template class? http://stackoverflow.com/questions/3879162/how-to-forward-declare-a-template-class if necessary. Just #include list and don't worry about it. Oh incidentally any name containing double underscores is reserved..
How to implement the factory pattern in C++ correctly http://stackoverflow.com/questions/5120768/how-to-implement-the-factory-pattern-in-c-correctly Foo some args What We can't overload by the return type Oh of course we can't. So let's change the method names to reflect..
http://stackoverflow.com/questions/8896/memcached-on-windows-x64 One little oversight on my part could bring the site down. Oh well....till next time... Many thanks. c# c windows 64bit memcached..
Are the days of passing const std::string & as a parameter over? http://stackoverflow.com/questions/10231349/are-the-days-of-passing-const-stdstring-as-a-parameter-over If someone wants to hold on to it they can. If they don't oh well. Is it more expensive Yes moving into a value is more expensive..
What is a smart pointer and when should I use one? http://stackoverflow.com/questions/106508/what-is-a-smart-pointer-and-when-should-i-use-one gets set to empty p2 DoSomething Works. p1 DoSomething Oh oh. Hopefully raises some NULL pointer exception. share improve..
Is gcc4.7 buggy about regular expressions? [duplicate] http://stackoverflow.com/questions/12530406/is-gcc4-7-buggy-about-regular-expressions don't use it feel free to take your money elsewhere ... oh wait noone got paid to work on libstdc 's regex anyway. Should..
linked list and reading from text file http://stackoverflow.com/questions/14993882/linked-list-and-reading-from-text-file dec ' n' c linked list share improve this question oh my we're into the C &ldquo linked list tutorial&rdquo that i..
How can I use C++ code to interact with PHP? http://stackoverflow.com/questions/1502244/how-can-i-use-c-code-to-interact-with-php old school C a linux box a C compiler and good ol PHP oh and MySQL too. Start me off Please php c performance compiled..
C/C++ enums: Detect when multiple items map to same value http://stackoverflow.com/questions/2576868/c-c-enums-detect-when-multiple-items-map-to-same-value MsgFoo1C 7 MsgFoo1D 8 MsgFoo1E 9 MsgFoo2A BASE2_VAL Uh oh 7 again... MsgFoo2B Uh oh 8 again... FOO The problem is that.. 9 MsgFoo2A BASE2_VAL Uh oh 7 again... MsgFoo2B Uh oh 8 again... FOO The problem is that as the code grows as developers..
Initializing an object to all zeroes http://stackoverflow.com/questions/2837854/initializing-an-object-to-all-zeroes rather than waiting for the next line of code and seeing oh this object is zero initialized. When creating classes and structs..
C++ catching dangling reference http://stackoverflow.com/questions/3199067/c-catching-dangling-reference to local value int main S x function printf s n x.value_ oh noes Compile this with mudflap enabled g fmudflap s.cc lmudflap..
conditional debug output class with templated operator<< http://stackoverflow.com/questions/3662654/conditional-debug-output-class-with-templated-operator constructor that takes arguments. #define used this way is oh so wrong. You should have something like this #ifdef _DEBUG..
Generate calling graph for C++ code http://stackoverflow.com/questions/5373714/generate-calling-graph-for-c-code node id 1 1 id' dot Tpng ocallgraph.png Yields this beauty oh my the size without optimizations turned on was too big I'm..
How to overload the ->* operator? http://stackoverflow.com/questions/5587152/how-to-overload-the-operator double std string Foo_ptmf method Foo bar pf method 5.4 oh hi Edit2 Here is an excellent pdf from Scott Meyers on this..
Why is iostream::eof inside a loop condition considered wrong? http://stackoverflow.com/questions/5605125/why-is-iostreameof-inside-a-loop-condition-considered-wrong data yay not end of stream yet now read ... inStream data oh crap now we read the end and only now the eof bit will be set..
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 h THouse.Create 'My house' h THouse.Create 'My house' uh oh what happened to our first house ... h.Free h nil Here we overwrote.. THouse begin h THouse.Create 'My house' h.OpenFrontDoor uh oh no .Free here where does the address go end After this method.. not the house ... h1.Free h1 nil h2.OpenFrontDoor uh oh what happened to our house Here the house was torn down through..
http://stackoverflow.com/questions/5854581/polymorphism-in-c commonly intuitively understood anyway warranting a oh that reaction they impact the threshold in requiring and seamlessness..
Why do simple doubles like 1.82 end up being 1.819999999645634565360? [duplicate] http://stackoverflow.com/questions/6006200/why-do-simple-doubles-like-1-82-end-up-being-1-819999999645634565360 and not 7 904 000 000. How can i solve this problem Thanks oh and any other feed back on my code is WELCOME here's the code..
Throwing the fattest people off of an overloaded airplane. http://stackoverflow.com/questions/7746648/throwing-the-fattest-people-off-of-an-overloaded-airplane to throw the heaviest people off of the plane first. And oh yeah there are millions of people on the airplane and we would..
Programatically disable/enable network interface http://stackoverflow.com/questions/860673/programatically-disable-enable-network-interface is that under XP GetCommandString doesn't return anything oh joy but it did appear that the menu ID's for 'enable' and 'disable'..
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