大约有 47,000 项符合查询结果（耗时：0.0817秒） [XML]
Extracting substrings in Go
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edited Feb 1 '19 at 14:34
answered Sep 7 '12 at 7:39
Den...
Find where python is installed (if it isn't default dir)
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edited Aug 13 '19 at 5:53
Vega
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a...
Can I set null as the default value for a @Value in Spring?
I'm currently using the @Value Spring 3.1.x annotation like this:
5 Answers
5
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Backing beans (@ManagedBean) or CDI Beans (@Named)?
I've just started reading through Core JavaServer Faces, 3rd Ed. and they say this (emphasis mine):
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How do I import the Django DoesNotExist exception?
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You don't need to import it - as you've already correctly written, DoesNotExist is a property o...
How do I list all files of a directory?
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Vaibhav
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answered Jul 8 '10 at 21:01
pycruftpycruft
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Obtaining a powerset of a set in Java
The powerset of {1, 2, 3} is:
26 Answers
26
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Declaring and initializing variables within Java switches
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Switch statements are odd in terms of scoping, basically. From section 6.3 of the JLS:
The scope of a local variable declaration in a block (§14.4) is the rest of the block in which the declaration appears, starting with its own initializer and including any further declarators to the right i...
Numpy: find first index of value fast
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edited Oct 21 '13 at 7:44
Jacques Kvam
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Overriding class constants vs properties
...always refers to the class it is being executed in. If you are using php5.3+ you might try static::TEST as static:: is inheritance-aware.
The difference is that static:: uses "late static binding". Find more information here:
http://php.net/manual/en/language.oop5.late-static-bindings.php
Here'...