function ARoundN(v: Double; n: Integer): Double; var I:Integer; begin result:=v; do begin result:=result*; end; result:=Round(result); do begin result:=result/; end; end;…
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一.选中左右侧内容到另一侧:选中左侧内容到右侧,选中右侧内容到左侧 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/ht…
常用内置函数及用法: 1. callable() def callable(i_e_, some_kind_of_function): # real signature unknown; restored from __doc__ """检查对象object是否可调用.如果返回True,object仍然可能调用失败:但如果返回False,调用对象ojbect绝对不会成功 Return whether the object is callable (i.e., some kin…