| c++ Programming Glossary: m.datapass attribute to child rule in boost spirit http://stackoverflow.com/questions/12520649/pass-attribute-to-child-rule-in-boost-spirit  n else std cerr Uhoh n std cout karma format karma auto_ m.data n Output Wokay 42 45 9 Update A little more background Of course.. eps qi int_ qi space m std cout karma format karma auto_ m.data n Note that the qi eps is necessary due to a bug AFAICT with.. 
 Boost::Spirit::QI parser: index of parsed element http://stackoverflow.com/questions/12769907/boostspiritqi-parser-index-of-parsed-element  m Row r Col c Value v const  if r m.rows c m.columns   m.data r c v  return true parse continues  return false fail the parse.. 
 Writing Python bindings for C++ code that use OpenCV http://stackoverflow.com/questions/12957492/writing-python-bindings-for-c-code-that-use-opencv  char name unknown bool allowND true if o o Py_None  if m.data m.allocator g_numpyAllocator return true if PyArray_Check o.. return false m Mat ndims size type PyArray_DATA o step if m.data  m.refcount refcountFromPyObject o m.addref protect the original.. return true static PyObject pyopencv_from const Mat m if m.data Py_RETURN_NONE Mat temp p Mat m if p refcount p allocator g_numpyAllocator.. 
 Serializing OpenCV Mat_<Vec3f> http://stackoverflow.com/questions/4170745/serializing-opencv-mat-vec3f  m.type dataSize endl for size_t dc 0 dc dataSize dc ar m.data dc  template class Archive void load Archive ar Mat m const.. m.type dataSize endl for size_t dc 0 dc dataSize dc  ar m.data dc  Now mat can be serialized and deserialized as following.. 
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