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How to do a safe join pathname in ruby?
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I recommend using File.join
>> File.join("path", "to", "join")
=> "path/to/join"
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Does R have an assert statement as in python?
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How to create arguments for a Dapper query dynamically
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Can I create more than one repository for github pages?
...ntation, including options for using custom domain names.
(since April 2013, all username.github.com are now username.github.io)
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分布式系统的事务处理 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...据的冗余存储（一般工业界认为比较安全的备份数应该是3份，如：Hadoop和Dynamo）。 但是，加入更多的机器，会让我们的数据服务变得很复杂，尤其是跨服务器的事务处理，也就是跨服务器的数据一致性。这个是一个很难的问题...
d3 axis labeling
How do I add text labels to axes in d3?
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Editing Javascript using Chrome Developer Tools
...dit javascript on a site using Chrome's Developer Tools. I have read about 30 accounts of how to do this as well as watched a few videos. The fact is, when I go to the sources tab and open the file I want to edit, I can't do anything to it. Is there some step I am missing?
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What does the “@” symbol mean in reference to lists in Haskell?
...list's tail: pt
Without the @, you'd have to choose between (1) or (2):(3).
This syntax actually works for any constructor; if you have data Tree a = Tree a [Tree a], then t@(Tree _ kids) gives you access to both the tree and its children.
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Notepad++: How to automatically set Language as Xml when load files
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