大约有 35,487 项符合查询结果(耗时:0.0523秒) [XML]

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Check if database exists in PostgreSQL using shell

... 202 I use the following modification of Arturo's solution: psql -lqt | cut -d \| -f 1 | grep -qw &...
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Pip install Matplotlib error with virtualenv

...the trick! – grisaitis Feb 4 '13 at 0:59 2 It may work, but note that it wants to install quite a...
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How to exit from Python without traceback?

... 10 Answers 10 Active ...
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How to check Django version

...nsole and type >>> import django >>> django.VERSION (2, 0, 0, 'final', 0) share | improve this answer | follow | ...
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sh: 0: getcwd() failed: No such file or directory on cited drive

... with the same name. – Jackson Nov 20 '15 at 18:45 exactly true! nice! – farhad goodarzi ...
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How to convert an IPv4 address into a integer in C#?

...64.233.187.99. That's equivalent to: 64*2^24 + 233*2^16 + 187*2^8 + 99 = 1089059683 And indeed, http://1089059683/ works as expected (at least in Windows, tested with IE, Firefox and Chrome; doesn't work on iPhone though). Here's a test program to show both conversions, including the network/hos...
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Any reason why scala does not explicitly support dependent types?

... Bar } defined class Foo scala> val foo1 = new Foo foo1: Foo = Foo@24bc0658 scala> val foo2 = new Foo foo2: Foo = Foo@6f7f757 scala> implicitly[foo1.Bar =:= foo1.Bar] // OK: equal types res0: =:=[foo1.Bar,foo1.Bar] = <function1> scala> implicitly[foo1.Bar =:= foo2.Bar] // Not O...
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Is it safe to assume a GUID will always be unique?

...ow there is a minute possibility of a clash but if I generated a batch of 1000 GUIDs (for example), would it be safe to assume they're all unique to save testing each one? ...
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Complete Working Sample of the Gmail Three-Fragment Animation Scenario?

... +500 Uploaded my proposal at github (Is working with all android versions though view hardware acceleration is strongly recommended for t...
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Re-open *scratch* buffer in Emacs?

... 201 GNU Emacs default bindings: C-xb *scratch* RET or, more verbosely M-x switch-to-buffe...