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What does SQL clause “GROUP BY 1” mean?

... edited Aug 20 '18 at 12:03 answered Sep 12 '11 at 19:12 Yu...
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Why doesn't requests.get() return? What is the default timeout that requests.get() uses?

... 130 What is the default timeout that get uses? The default timeout is None, which means it'll ...
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Persistent invalid graphics state error when using ggplot2

... 357 I ran into this same error and solved it by running: dev.off() and then running the plot a...
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How to find the foreach index?

... 13 Answers 13 Active ...
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Scala: What is a TypeTag and how do I use it?

...List[Foo] => "list of foos" } we will get warnings: <console>:23: warning: non-variable type argument String in type pattern List[String]↩ is unchecked since it is eliminated by erasure case _: List[String] => "list of strings" ^ <console>:24: warning...
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Is it possible to use global variables in Rust?

...ation is performed at runtime. Here are a few examples: static SOME_INT: i32 = 5; static SOME_STR: &'static str = "A static string"; static SOME_STRUCT: MyStruct = MyStruct { number: 10, string: "Some string", }; static mut db: Option<sqlite::Connection> = None; fn main() { p...
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Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone

...ments So with my example from above: In [4]: t = pd.date_range(start="2013-05-18 12:00:00", periods=2, freq='H', tz= "Europe/Brussels") In [5]: t Out[5]: DatetimeIndex(['2013-05-18 12:00:00+02:00', '2013-05-18 13:00:00+02:00'], dtype='datetime64[ns...
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How to convert nanoseconds to seconds using the TimeUnit enum?

... answered May 29 '09 at 3:00 Adam RosenfieldAdam Rosenfield 347k9090 gold badges477477 silver badges564564 bronze badges ...
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Is there a pattern for initializing objects created via a DI container

... Mark SeemannMark Seemann 203k3939 gold badges377377 silver badges649649 bronze badges ...
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How to export revision history from mercurial or git to cvs?

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