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join list of lists in python [duplicate]
Is the a short syntax for joining a list of lists into a single list( or iterator) in python?
15 Answers
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How to check status of PostgreSQL server Mac OS X
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Given your error message, I bet SamGoody's suggestion to run your initdb command will fix your "Connection refused" problem. Once it's fixed, try my suggestions to get your postgres db server status.
– l3x
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How do you import a large MS SQL .sql file?
..., and when I try to open the file in SQL Server Management Studio I get an error about the file being too large.
11 Answers...
Wi-Fi 是什么的缩写 - 创意 - 清泛网 - 专注C/C++及内核技术
...Know?
Wi-Fi 的标准写法是大写“W”和“F”，中间用“-”连接。
Interbrand 除了给 Wi-Fi 起名，他们还帮微软家的搜索引擎起了个响亮的名字——Bing。关于 Interbrand 还搞出了什么名堂，可以点这里看他们长长的案例列表。
Interbrand...
What are all the uses of an underscore in Scala?
...: A => Unit)
val set: Set[_ => Unit]
set.foreach(process _) // Error
set.foreach(process(_)) // No Error
}
In the first case, process _ represents a method; Scala takes the polymorphic method and attempts to make it monomorphic by filling in the type parameter, but realizes that the...
“std::endl” vs “\n”
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@Omnifarious: No std::cerr should be reserved for errors. The two streams are not synced together so if you output some text to cout it may be buffered and the cerr will go direct to the output this resulting in a mixed mode display. Use cerr for what it is supposed to be fo...
Subqueries vs joins
...a list.
– dacracot
Sep 26 '08 at 19:05
8
That depends - if the subquery is correlated somehow wit...
OS X Bash, 'watch' command
...directly.
– Oliver
Aug 25 '13 at 10:05
9
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How can I reverse a list in Python?
How can I do the following in Python?
35 Answers
35
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Regular Expressions: Is there an AND operator?
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– Casimir et Hippolyte
Jun 13 '13 at 18:05
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