我有什么似乎像numpy genfromtxt一个愚蠢的简单问题。这是我的代码(非常)的简化版本: import numpy as np
in_file_1 = raw_input ('enter name of template file to be scaled:\n')
spec_1 = np.genfromtxt(in_file_1, delimiter = [8,24], dtyp
如何将left join转换为linq脚本。我有一个T-SQL这样的: SELECT
es.StandardID,
COUNT(DISTINCT esc.StandardCourseID) AS CourseIDCount,
COUNT(DISTINCT esp.StandardPostID) AS PostIDCount
FROM EduStandards AS