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离开1号店 于刚再创业钟情“互联网+” - 资讯 - 清泛网 - 专注C/C++及内核技术
离开1号店 于刚再创业钟情“互联网+”7月底，1号店两位联合创始人于刚、刘峻岭双双宣布离职，两人离职背后折射出1号店与沃尔玛(WMT.NYSE)之间存在较大分歧，合作貌合神离。告别一手创办的国内首家网上超市1号店后，于刚除...
Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError)
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What is a regular expression which will match a valid domain name without a subdomain?
...ee comments), given your specific requirements:
/^[a-zA-Z0-9][a-zA-Z0-9-]{1,61}[a-zA-Z0-9]\.[a-zA-Z]{2,}$/
But note this will reject a lot of valid domains.
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Difference between map, applymap and apply methods in Pandas
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How to convert a set to a list in python?
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It is already a list
type(my_set)
>>> <type 'list'>
Do you want something li...
Efficient way to insert a number into a sorted array of numbers?
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Add new row to dataframe, at specific row-index, not appended?
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Here's a solution that avoids the (often slow) rbind call:
existingDF <- as.data.frame(mat...
Insert a line at specific line number with sed or awk
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edited Nov 9 '14 at 0:18
answered Jun 30 '11 at 15:54
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