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如何最容易地形成一种由ma相混合的自然事例?
原标题:What s the slickest way to create a comma-separated string of n instances of character c?
  • 时间:2012-01-12 03:41:08
  •  标签:
  • sql
  • groovy

在54国集团的发言中,我们常常需要制定一个问题单,作为国家清单条款的参数。 GROOVY最短的表述是重复问题标记(或任何特性)的零时间,并与他们一道组成一个插手?

Example: expr( ? , 3) would return "?,?,?"

最佳回答

我不知道这是否是闪电,但我也这样说:

assert ([ ? ] * 3).join( , ) ==  ?,?,? 

www.un.org/chinese/ga/president 然后,.join( , )就把该名单的要素与 com合并。

问题回答

暂无回答




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