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c++ Programming Glossary: b3How to match unicode characters with boost::spirit? http://stackoverflow.com/questions/10474571/how-to-match-unicode-characters-with-boostspirit волн . a.out less D0 9D D0 B0 D0 B1 D0 B5 D1 80 D0 B5 D0 B3 D1 83 D0 BF D1 83 D1 81 D1 82 D1 8B D0 BD D0 BD D1 8B D1 85..
Find out if 2 lines intersect [duplicate] http://stackoverflow.com/questions/14176776/find-out-if-2-lines-intersect Given are two lines l1 A0 B0 A1 B1 and l2 A2 B2 A3 B3 Ax Bx are integers and Ax Bx specify the starts and ends of.. abs A0 a A1 A0 A2 b A3 A2 tolerance II abs B0 a B1 B0 B2 b B3 B2 tolerance My method should return true if both I and II evaluate.. whether two line segments A0 B0 A1 B1 and A2 B2 A3 B3 intersect is A2 A0 B1 B0 B2 B0 A1 A0 A3 A0 B1 B0 B3 B0 A1 A0..
how to sum a large number of float number? http://stackoverflow.com/questions/2148149/how-to-sum-a-large-number-of-float-number order N log N add each pair in turn B1 A1 B2 B2 A1 A2 B3 A3 A4 this produces a new list B half the length of the initial..
C++ meta-programming doxygen documentation http://stackoverflow.com/questions/3435225/c-meta-programming-doxygen-documentation BOOST_XINT_CLASS_BPARAMS class B0 class B1 class B2 class B3 class B4 class B5 #define BOOST_XINT_BPARAMS B0 B1 B2 B3 B4.. B3 class B4 class B5 #define BOOST_XINT_BPARAMS B0 B1 B2 B3 B4 B5 #endif Use the #define d macro names instead of the template..
Legality of using operator delete on a pointer obtained from placement new http://stackoverflow.com/questions/4418220/legality-of-using-operator-delete-on-a-pointer-obtained-from-placement-new virtual ~A struct B1 virtual A struct B2 virtual A struct B3 virtual A struct D virtual B1 virtual B2 virtual B3 struct E.. struct B3 virtual A struct D virtual B1 virtual B2 virtual B3 struct E virtual B3 virtual D int main void B3 p new E void.. struct D virtual B1 virtual B2 virtual B3 struct E virtual B3 virtual D int main void B3 p new E void raw malloc sizeof D..
http://stackoverflow.com/questions/7776448/sfinae-tried-with-bool-gives-compiler-error-template-argument-tvalue-invol don't specialize static const bool my_value false struct B3 don't specialize When applying the above trick on B1 it gives..
Algorithm for slicing planes (in place) out of an array of RGB values http://stackoverflow.com/questions/8465950/algorithm-for-slicing-planes-in-place-out-of-an-array-of-rgb-values array of byte RGB values that goes R1 G1 B1 R2 G2 B2 R3 G3 B3 ... Rn Gn Bn . So my data looks like char imageData WIDTH HEIGHT.. turn this array into R1 R2 R3 ... Rn G1 G2 G3 ... Gn B1 B2 B3 ... Bn and then back again Any non naive algorithms c c algorithm..
Creating several mutually incompatible numerical types [duplicate] http://stackoverflow.com/questions/18251447/creating-several-mutually-incompatible-numerical-types the following code should not compile A a1 10 A a2 20 B b3 a1 a2 error cannot convert A to B a2 b3 error A operator B does.. A a1 10 A a2 20 B b3 a1 a2 error cannot convert A to B a2 b3 error A operator B does not exist ... Now all of this would..
how to swap array-elements to transfer the array from a column-like into a row-like representation http://stackoverflow.com/questions/3009379/how-to-swap-array-elements-to-transfer-the-array-from-a-column-like-into-a-row-l like representation For example the array a1 a2 a3 b1 b2 b3 c1 c2 c3 d1 d2 d3 represents following table a1 b1 c1 d1 a2.. d3 represents following table a1 b1 c1 d1 a2 b2 c2 d2 a3 b3 c3 d3 now i like to bring the array into following form a1 b1.. the array into following form a1 b1 c1 d1 a2 b2 c2 d2 a3 b3 c3 d3 Does an algorithm exist which takes the array from the..
http://stackoverflow.com/questions/3438366/setupdigetdeviceproperty INITGUID #define DEFINE_DEVPROPKEY name l w1 w2 b1 b2 b3 b4 b5 b6 b7 b8 pid EXTERN_C const DEVPROPKEY DECLSPEC_SELECTANY.. const DEVPROPKEY DECLSPEC_SELECTANY name l w1 w2 b1 b2 b3 b4 b5 b6 b7 b8 pid #else #define DEFINE_DEVPROPKEY name l w1.. b8 pid #else #define DEFINE_DEVPROPKEY name l w1 w2 b1 b2 b3 b4 b5 b6 b7 b8 pid EXTERN_C const DEVPROPKEY name #endif INITGUID..
Building a 32bit float out of its 4 composite bytes [C++] http://stackoverflow.com/questions/3991478/building-a-32bit-float-out-of-its-4-composite-bytes-c uchar float bytesToFloat uchar b0 uchar b1 uchar b2 uchar b3 float output uchar output 3 b0 uchar output 2 b1 uchar output.. 3 b0 uchar output 2 b1 uchar output 1 b2 uchar output 0 b3 return output int main std cout bytesToFloat 0x3e 0xaa 0xaa.. question You could use a memcpy Result float f uchar b b3 b2 b1 b0 memcpy f b sizeof f return f or a union Result union..
Operator< and strict weak ordering http://stackoverflow.com/questions/979759/operator-and-strict-weak-ordering if b2 a2 return false a2 b2 continue with element 3 if a3 b3 return true return false early out This orders the elements..
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