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c++ Programming Glossary: atWhat can I use to profile C++ code in Linux? http://stackoverflow.com/questions/375913/what-can-i-use-to-profile-c-code-in-linux can I use to profile C code in Linux I have a C application.. can I use to profile C code in Linux I have a C application I'm in the process of optimizing. What tool can I use to.. I have a C application I'm in the process of optimizing. What tool can I use to pinpoint my slow code c unix profiling ..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points Behavior and Sequence Points What are Sequence Points What is the relation between Undefined Behaviour.. Behavior and Sequence Points What are Sequence Points What is the relation between Undefined Behaviour and Sequence Points.. Sequence Points What are Sequence Points What is the relation between Undefined Behaviour and Sequence Points I often use..
http://stackoverflow.com/questions/4421706/operator-overloading overloading What are the basic rules and idioms for operator.. overloading What are the basic rules and idioms for operator overloading in C.. overloading What are the basic rules and idioms for operator overloading in C Note The answers were given in a specific..
Why can templates only be implemented in the header file? http://stackoverflow.com/questions/495021/why-can-templates-only-be-implemented-in-the-header-file can templates only be implemented in the header file Quote from The C standard.. tutorial and handbook The only portable way of using templates at the moment is to implement them in header files by using.. and handbook The only portable way of using templates at the moment is to implement them in header files by using inline..
Why is iostream::eof inside a loop condition considered wrong? http://stackoverflow.com/questions/5605125/why-is-iostreameof-inside-a-loop-condition-considered-wrong wrong I just found a comment in this answer saying that using iostream eof in a loop condition is almost certainly wrong.. set after reading the end of the stream. It does not indicate that the next read will be the end of the stream. Consider.. reading the end of the stream. It does not indicate that the next read will be the end of the stream. Consider this and..
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 and why do I have to put the &ldquo template&rdquo and &ldquo typename&rdquo keywords In templates where.. template&rdquo and &ldquo typename&rdquo keywords In templates where and why do I have to put typename and template on dependent.. templates where and why do I have to put typename and template on dependent names What exactly are dependent names anyway..
http://stackoverflow.com/questions/1120140/csv-parser-in-c parser in C All I need is a good CSV file parser for C . At this point it can really just be a comma delimited parser ie..
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 backing up and restarting. Consider an if statement At the processor level it is a branch instruction You are a processor..
Is gcc4.7 buggy about regular expressions? [duplicate] http://stackoverflow.com/questions/12530406/is-gcc4-7-buggy-about-regular-expressions the standard committee before the standard was finalised. At the time lots of people were grateful to have had access to..
What is the difference between a definition and a declaration? http://stackoverflow.com/questions/1410563/what-is-the-difference-between-a-definition-and-a-declaration questions I'll paste a quote from the C standard here. At 3.1 2 C 03 says A declaration is a definition unless it .....
How to stop C++ console application from exiting immediately? http://stackoverflow.com/questions/2529617/how-to-stop-c-console-application-from-exiting-immediately quick hack of sorts when writing tests during development. At the end of your main function you can call std getchar This..
How to implement big int in C++ http://stackoverflow.com/questions/269268/how-to-implement-big-int-in-c single digits for example and place them in an array. At this point it should be relatively simple to implement the various..
Undefined reference to static class member http://stackoverflow.com/questions/272900/undefined-reference-to-static-class-member Can anyone explain why following code won't compile At least on g 4.2.4. And more interesting why it will compile when..
What is the copy-and-swap idiom? http://stackoverflow.com/questions/3279543/what-is-the-copy-and-swap-idiom guarantee the compiler is doing for us now how kind. At this point we are home free because swap is non throwing. We..
http://stackoverflow.com/questions/408670/stack-static-and-heap-in-c case . And if you're lazy it still may not work properly. At the best of times Garbage Collectors realize that your memory..
Undefined Behavior and Sequence Points http://stackoverflow.com/questions/4176328/undefined-behavior-and-sequence-points of C Standard What are Sequence Points The Standard says At certain specified points in the execution sequence called sequence..
Can someone explain this template code that gives me the size of an array? http://stackoverflow.com/questions/437150/can-someone-explain-this-template-code-that-gives-me-the-size-of-an-array give you the number of elements in the given array too. At compile time so you can do int havingSameSize sizeof array_size..
Operator Precedence vs Order of Evaluation http://stackoverflow.com/questions/5473107/operator-precedence-vs-order-of-evaluation incremented by the time the second instance is executed. At the end of a full expression. This category includes expression.. and the order of evaluation for a b and c is unspecified. At a function return after the return value is copied into the.. in the C standard it is present only implicitly in C. At the end of an initializer for example after the evaluation of..
What does T&& (double ampersand) mean in C++11? http://stackoverflow.com/questions/5481539/what-does-t-double-ampersand-mean-in-c11 for punctuation like this. What exactly does it mean At first glance it appears to be a double reference like the C..
How to determine CPU and memory consumption from inside a process? http://stackoverflow.com/questions/63166/how-to-determine-cpu-and-memory-consumption-from-inside-a-process and takes a lot of painful trial and error to get to work. At least it took me quite a while perhaps I've been only a bit..
OpenCV 2.3 C++ Visual Studio 2010 http://stackoverflow.com/questions/7011238/opencv-2-3-c-visual-studio-2010 cvShowImage display img cvWaitKey 0 return 0 At this point we need to configure the project so it can locate..
http://stackoverflow.com/questions/712639/understanding-the-meaning-of-the-term-and-the-concept-raii-resource-acquisiti Do you ever find yourself wishing for garbage collection At least a garbage collector you could use for some objects while..
Why is one loop so much slower than two loops? http://stackoverflow.com/questions/8547778/why-is-one-loop-so-much-slower-than-two-loops the idea should still be applicable to Core 2. Region 3 At this point the data no longer fits in L1 cache. So performance.. This is why you don't see this in region 3. Region 5 At this point nothing fits in cache. So you're bound by memory..
Unable to send SMS using AT Commands http://stackoverflow.com/questions/16402403/unable-to-send-sms-using-at-commands to send SMS using AT Commands Please be kind enough to have a look at the following.. open QIODevice ReadWrite cout port isOpen endl port write AT CFUN 1 port write AT CMGF 1 port write AT CMGS 1234567 port.. cout port isOpen endl port write AT CFUN 1 port write AT CMGF 1 port write AT CMGS 1234567 port write Hello Test SMS..
Generating function declaration using a macro iteration http://stackoverflow.com/questions/5355241/generating-function-declaration-using-a-macro-iteration . It has a signature of P99_PROTOTYPE RT NAME AT where RT is the return type may be void and AT are the argument.. RT NAME AT where RT is the return type may be void and AT are the argument types. The list of argument types may be empty..
OpenCV Transform using Chessboard http://stackoverflow.com/questions/7902895/opencv-transform-using-chessboard . Print them and write the data on a piece of paper. AT the end the system you are developing needs to have a function..
Detailed explanation on how Koenig lookup works with namespaces and why its a good thing? http://stackoverflow.com/questions/8111677/detailed-explanation-on-how-koenig-lookup-works-with-namespaces-and-why-its-a-go it called Koenig Lookup Because it was devised by former AT T and Bell Labs researcher and programmer Andrew Koenig . Good..
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