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c++ Programming Glossary: suggestioninitializing a C++ std::istringstream from an in memory buffer? http://stackoverflow.com/questions/1448467/initializing-a-c-stdistringstream-from-an-in-memory-buffer doesnt have such a constructor. I saw the following suggestion. std istringstream tmp_blob tmp_blob.rdbuf pubsetbuf blockPtr..
Benefits of inline functions in C++? http://stackoverflow.com/questions/145838/benefits-of-inline-functions-in-c give you a guarantee that it will be inline. It's just a suggestion to the compiler. Sometimes it's not possible such as when you..
Visual C++ equivalent of GCC's __attribute__ ((__packed__)) http://stackoverflow.com/questions/1537964/visual-c-equivalent-of-gccs-attribute-packed that I can put into the struct definition. Any info hack suggestion TIA... c c visual c gcc data structures share improve this..
somehow register my classes in a list http://stackoverflow.com/questions/1691473/somehow-register-my-classes-in-a-list of MyClasses at program startup. UPDATE Following gf suggestion you can write this #define REGISTER_CLASS cls temp_##cls static..
http://stackoverflow.com/questions/216510/extern-inline inline I understand that inline by itself is a suggestion to the compiler and at its descretion it may or may not inline..
dynamical two dimension array according to input http://stackoverflow.com/questions/2216017/dynamical-two-dimension-array-according-to-input about vector vector int I never use this before so I need suggestion from veteran. c vector matrix multidimensional array share..
What uses are there for “placement new”? http://stackoverflow.com/questions/222557/what-uses-are-there-for-placement-new destructors directly of your classes manually. For a good suggestion on this please see Stroustrup's FAQ on Is there a placement..
Read whole ASCII file into C++ std::string http://stackoverflow.com/questions/2602013/read-whole-ascii-file-into-c-stdstring 5 2012 Tyler McHenry pointed out that his initial clever suggestion may be inefficient in some cases and he points us out to the..
Why should I not wrap every block in “try”-“catch”? http://stackoverflow.com/questions/2737328/why-should-i-not-wrap-every-block-in-try-catch
Why is address zero used for null pointer? http://stackoverflow.com/questions/2759845/why-is-address-zero-used-for-null-pointer and off limits to the programmer. My negative number suggestion was a little wild brainstorming I admit. Using a signed integer..
how to get vendor id and product id of a plugged usb device on windows http://stackoverflow.com/questions/2935184/how-to-get-vendor-id-and-product-id-of-a-plugged-usb-device-on-windows by WinUsbInitialize USB_DEVICE_DESCRIPTOR_TYPE Daniel K's suggestion 0 0x409 asks for English udd sizeof udd LengthTransferred See..
How to learn proper C++? [closed] http://stackoverflow.com/questions/2963019/how-to-learn-proper-c tool and as a quick reference guide. Another great suggestion was to follow by the example of our resident SO pundits by perusing..
Why does C++ not have reflection? http://stackoverflow.com/questions/359237/why-does-c-not-have-reflection radical new features unless they're sure it'll pay off. A suggestion for adding a module system similar to .NET assemblies has been.. than if such libraries didn't exist. For your specific suggestions though I believe disallowing it on templates would make it..
Inheritance or composition: Rely on “is-a” and “has-a”? http://stackoverflow.com/questions/453738/inheritance-or-composition-rely-on-is-a-and-has-a that inherits a Square class off a Rectangle class. My suggestion is to enhance your is a has a heuristic with the Liskov Substitution..
Implementing comparision operators via 'tuple' and 'tie', a good idea? http://stackoverflow.com/questions/6218812/implementing-comparision-operators-via-tuple-and-tie-a-good-idea tuple of T references from the passed arguments. Edit The suggestion from @DeadMG to privately inherit from tuple isn't a bad one..
Simple object detection using OpenCV and machine learning http://stackoverflow.com/questions/6416117/simple-object-detection-using-opencv-and-machine-learning learning doesn't have to be a complex and reliable one suggestion is KNN which is WAY simpler and easier . After all my searching.. a contour into a row of data to teach the KNN. So... suggestions Thanks in advance. c c opencv image processing object detection..
Thread safe lazy construction of a singleton in C++ http://stackoverflow.com/questions/6915/thread-safe-lazy-construction-of-a-singleton-in-c safe use a statically initialized mutex. Edit Chris's suggestion to use an atomic compare and swap would certainly work. If portability..
Why is reading lines from stdin much slower in C++ than Python? http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python in 1 seconds. LPS 5 570 000 Edit 3 Okay I tried J.N.'s suggestion of trying having python store the line read but it made no difference.. made no difference to python's speed. I also tried J.N.'s suggestion of using scanf into a char array instead of getline into a std.. has been educational. Thanks to all for your comments and suggestions. Edit 6 As suggested by J.F. Sebastian in the comments below..
Linux API to list running processes? http://stackoverflow.com/questions/939778/linux-api-to-list-running-processes procps 3.2.8 proc readproc.c May be useful. Also a useful suggestion as posted by ephemient is linking to the API provided by libproc..
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