c++ Programming Glossary: knew
Simple C++ Linked List http://stackoverflow.com/questions/1095954/simple-c-linked-list in a segmentation fault at runtime. Just curious if anyone knew why that is Here is my updated code #include iostream using..
Volatile in C++11 http://stackoverflow.com/questions/12878344/volatile-in-c11 EDIT2 OK I was really expecting that everyone who knew what volatile is has seen this example. If you use the code..
What is the advantage of using universal references in range-based for loops? http://stackoverflow.com/questions/13130708/what-is-the-advantage-of-using-universal-references-in-range-based-for-loops All that being said I wouldn't code this way unless you knew you needed to satisfy such a use case. I.e. I wouldn't do this..
Float addition promoted to double? http://stackoverflow.com/questions/1839225/float-addition-promoted-to-double paragraph in the standard which I guess I sort of already knew but not in this context 4.6.1. An rvalue of type float can be..
Best way to detect integer overflow in C/C++ http://stackoverflow.com/questions/199333/best-way-to-detect-integer-overflow-in-c-c function but it might especially if you knew how many bits were in the operands beforehand . share improve..
How can I determine distance from an object in a video? http://stackoverflow.com/questions/2135116/how-can-i-determine-distance-from-an-object-in-a-video The exact technology and calculations even if I knew them off the top of my head are way outside the scope of discussing..
What is the lifetime of a static variable in a C++ function? http://stackoverflow.com/questions/246564/what-is-the-lifetime-of-a-static-variable-in-a-c-function who want to know why I asked the question if I already knew the answer c static lifetime share improve this question..
C++ function for picking from a list where each element has a distinct probability http://stackoverflow.com/questions/2649717/c-function-for-picking-from-a-list-where-each-element-has-a-distinct-probabili decide which s to pick Is there a function for this If I knew the sum of all the probability fields Note it will not be 1..
How do exceptions work (behind the scenes) in c++ http://stackoverflow.com/questions/307610/how-do-exceptions-work-behind-the-scenes-in-c . OK that was not actually a surprise for me I already knew how this compiler did it. Continuing with the assembly output..
g++ linking order dependency when linking c code to c++ code http://stackoverflow.com/questions/3363398/g-linking-order-dependency-when-linking-c-code-to-c-code the linker still had difficulties finding symbols which I knew were in the C object archives. Perplexed I created a relatively..
Algorithm for finding the smallest power of two that's greater or equal to a given value http://stackoverflow.com/questions/364985/algorithm-for-finding-the-smallest-power-of-two-thats-greater-or-equal-to-a-giv for whether it's invalid 0 which you could skip if you knew you'd only have 0 numbers passed in it has no loops or conditionals..
Best way for interprocess communication in C++ http://stackoverflow.com/questions/372198/best-way-for-interprocess-communication-in-c do that and used manual shared memory allocation before i knew about boost. Damn if i would need to rewrite the app i would..
Undefined Behavior and Sequence Points Reloaded http://stackoverflow.com/questions/4638364/undefined-behavior-and-sequence-points-reloaded all the nuances of a language that I already thought I knew and thought that I thought that I knew . share improve this..
Why unnamed namespace is a“ superior” alternative to static? [duplicate] http://stackoverflow.com/questions/4977252/why-unnamed-namespace-is-a-superior-alternative-to-static namespace is superior alternative What is the rationale I knew it for a long time as to what the Standard says but never gave..
Thread safe lazy construction of a singleton in C++ http://stackoverflow.com/questions/6915/thread-safe-lazy-construction-of-a-singleton-in-c solution I was hinting at in my question and I believe I knew already. Use some other library function like pthread_once or..
C++: how to get fprintf results as a std::string w/o sprintf http://stackoverflow.com/questions/69738/c-how-to-get-fprintf-results-as-a-stdstring-w-o-sprintf set_foo std str ... ... A a new A C c new C ... wish i knew how to write A's to_str c.set_foo a.to_str I should mention..
Fast multiplication/division by 2 for floats and doubles (C/C++) http://stackoverflow.com/questions/7720668/fast-multiplication-division-by-2-for-floats-and-doubles-c-c 8 38h inc eax fmul st st 1 fstp qword ptr esp eax 8 30h I knew the x87 FP stack was aweful but 500 times worse is kinda ridiculous...
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 to disable this feature to get improved performance if you knew what you were doing so they provided the sync_with_stdio method...
writing robust (color and size invariant) circle detection with opencv (based on Hough transform or other features) http://stackoverflow.com/questions/9860667/writing-robust-color-and-size-invariant-circle-detection-with-opencv-based-on improve the accuracy of the detector significantly. If you knew the position of the circles on the plane and you wanted to detect..
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