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c++ Programming Glossary: lothttp://stackoverflow.com/questions/1008019/c-singleton-design-pattern like this I have adopted it from the real life example a lot of methods are omitted here class Singleton public static Singleton..
Why 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 set the switch appropriately. Trains are heavy and have a lot of inertia. So they take forever to start up and slow down... stop. If you guess wrong too often the train will spend a lot of time stopping backing up and restarting. Consider an if statement.. have to stop. If you guess wrong too often you spend a lot of time stalling rolling back and restarting. This is branch..
What are the rules about using an underscore in a C++ identifier? http://stackoverflow.com/questions/228783/what-are-the-rules-about-using-an-underscore-in-a-c-identifier rule about any identifier ending with '_t' surprised me a lot. I think that is a POSIX standard not sure yet looking for clarification..
http://stackoverflow.com/questions/3106110/what-is-move-semantics I hope this example got the main point across. There is a lot more to rvalue references and move semantics which I intentionally..
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 used I am reasonably proficient in C but I do not have a lot of experience using the cast operators to convert pointers of..
http://stackoverflow.com/questions/356950/c-functors-and-their-uses Functors and their uses I keep hearing a lot about functors in C can someone give me an overview as to what..
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 f 0. So even a very small number of samples can tell us a lot about the cost of instructions that it sees. And it will see..
RAII and smart pointers in C++ http://stackoverflow.com/questions/395123/raii-and-smart-pointers-in-c resource such as file will be freed. Onto smart pointers a lot of the time we just create objects on the stack. For instance..
http://stackoverflow.com/questions/402283/stdwstring-vs-stdstring On Windows this is a bit different. Win32 had to support a lot of application working with char and on different charsets codepages..
http://stackoverflow.com/questions/4421706/operator-overloading will behave surprisingly. Assignment Operator There's a lot to be said about assignment. However most of it has already..
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 a source CPP file and a header H file I get a whole lot of unresolved external symbol errors when it comes to linking.. export keyword. Unfortunately this isn't supported by a lot of compilers. Both 1 and 2 basically address the problem by..
When to use virtual destructors? http://stackoverflow.com/questions/461203/when-to-use-virtual-destructors of most OO theory but the one thing that confuses me a lot is virtual destructors. I thought that the destructor always..
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 layouts are vastly simplified. There's more overhead and a lot more details you would need to know if you need to deal with..
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 for example. UPDATE Holy goodness this answer is getting a lot of attention. I'm not sure why I considered it to be just a.. storage of the data manipulated by that program. There are lots of different ways of generating code to manage memory but over.. and the process explodes. This is problematic. There are a lot of rules and it is very easy to break them accidentally. I certainly..
OpenCV 2.3 C++ Visual Studio 2010 http://stackoverflow.com/questions/7011238/opencv-2-3-c-visual-studio-2010 of OpenCV 2.3 on Visual Studio 2010 Express since a lot of folks seem to have problems setting it up correctly. Download..
Singleton: How should it be used http://stackoverflow.com/questions/86582/singleton-how-should-it-be-used another question I provided an answer that has links to a lot of questions answers about singletons More info about singletons..
What are the incompatible differences betweeen C(99) and C++(11)? http://stackoverflow.com/questions/10461331/what-are-the-incompatible-differences-betweeen-c99-and-c11 deserves at least a little bit of attention. There is a LOT of existing code out there that is valid C but is not valid..
Cross-compilation for Raspberry Pi in GCC. Where to start? http://stackoverflow.com/questions/10973020/cross-compilation-for-raspberry-pi-in-gcc-where-to-start tool which simplifies configuring a cross compiler build A LOT it has a nice curses based interface and it supports GCC 4.7...
http://stackoverflow.com/questions/2867758/how-to-generate-a-long-guid the keyspace you can do it this way and it will run a LOT faster. public static string CreateRandomString int length length..
http://stackoverflow.com/questions/3628081/shared-ptr-horrible-speed use them. Looking at your code it looks like your doing a LOT of memory allocation and I can't help but wonder if you couldn't..
Sleeping for an exact duration http://stackoverflow.com/questions/5209408/sleeping-for-an-exact-duration tricky. However... although not perfect you can get a LOT better results than normal by simply boosting the priority of..
Template class - unresolved external symbol(s) [duplicate] http://stackoverflow.com/questions/5776862/template-class-unresolved-external-symbols when using templates 3 answers I get this error a LOT and i never know why. Can someone help me find the cause of..
Why use Precompiled Headers (C/C++)? http://stackoverflow.com/questions/903228/why-use-precompiled-headers-c-c headers share improve this question It compiles a LOT quicker. C compilation takes years without them. Try comparing..
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