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Error: Unterminated character constant beginning at (1)

I want to have a multiline string in Fortran code. I tried to do it this way: print *, "Line 1& &line 2" But it gives me syntax errors when compiling the file gfortran myfile.f: Error: Unterminated character constant beginning at (1) How can I have multiline strings in a clean way? . . .阅读更多

Python 3:NameError:未定义名称'sklearn'

I am trying to run an Elastic Net regression but get the following error: NameError: name 'sklearn' is not defined... any help is greatly appreciated! # ElasticNet Regression from sklearn import linear_model import statsmodels.api as sm ElasticNet = sklearn.linear_mo . . .阅读更多

无效的正则表达式组

I have regular expression (?<=\s)(?:#sidebar-right-1|#BlogArchive1|#ArchiveList|#BlogArchive1_ArchiveList|#PopularPosts)(?=\s|{) I got syntax error invalid regex group. Where is problem? I applied it like this: rules[r].selectorText.match(new RegExp(ids, 'gm')) . . .阅读更多