@classmethod
    def is_(cls, strval):
        #  return true if the string is not empty
        return strval is not None and len(strval) > 0
SDD decomposition.
dataset/ETHPy150Open CarterBain/Medici/ib/ext/EClientSocket.py/EClientSocket.is_--crossover with--dataset/ETHPy150Open lebedov/scikit-cuda/skcuda/magma.py/magma_sgesdd