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What does tilde-greater-than (~>) mean in Ruby gem dependencies? [duplicate]
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It means "equal to or greater than in the last digit", so e.g. ~> 2.3 means
"equal to 2.3 or greater than 2.3, but less than 3.0", while ~> 2.3.0 would
mean "equal to 2.3.0 or greater than 2.3.0, but less than 2.4.0".
You can pronounce it as "approximately greater than".
§ Pessimistic v...
SQL SERVER: Get total days between two dates
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PRINT DATEDIFF(DAY, '1/1/2011', '3/1/2011') will give you what you're after.
This gives the number of times the midnight boundary is crossed between the two dates. You may decide to need to add one to this if you're including both dates in the count - or s...
How to remove a key from HashMap while iterating over it? [duplicate]
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How can I put the current running linux process in background? [closed]
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answered Dec 3 '12 at 3:47
Ed HealEd Heal
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Moving uncommitted changes to a new branch [duplicate]
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What is the difference between .cc and .cpp file suffix? [duplicate]
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tosh
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answered Sep 3 '13 at 12:05
James KanzeJames Kanz...
Get data from JSON file with PHP [duplicate]
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当当网第三季度净亏损2810万元 同比由盈转亏 - 资讯 - 清泛网 - 专注C/C++及内核技术
... 同比由盈转亏11月25日消息，当当网发布了截至2015年9月30日的2015财年第三季度未审计财报。财报显示，当当网第三季度总净营收为23.719亿元人民币(约合3.732亿美元)，同比增长22.6%；净亏损为2810万元人民币(约合440万美元)，去年...
一致性hash和solr千万级数据分布式搜索引擎中的应用 - 大数据 & AI - 清泛...
...廉价的机器提供服务。这样一个机器只能处理200个数据、3个机器就可以处理600个数据了，如果以后业务量增加还可以快速配置增加。在大多数情况都选择横向扩展的方式。如下图：
现在有个问题了，这600个数据如何路由到对...