大约有 800 项符合查询结果(耗时:0.0199秒) [XML]
Hibernate Error: org.hibernate.NonUniqueObjectException: a different object with the same identifier
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Nice Answer². The primary key was my problem, solved with the GeneratedValue setting a sequence for postgresql.
– Rodrigo Ferrari
May 8 '12 at 12:59
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What MySQL data type should be used for Latitude/Longitude with 8 decimal places?
I'm working with map data, and the Latitude/Longitude extends to 8 decimal places. For example:
8 Answers
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rgdal package installation
...nswered Aug 17 '14 at 21:44
François PelletierFrançois Pelletier
18311 silver badge77 bronze badges
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Deep copying an NSArray
...answered Mar 15 '09 at 9:18
François P.François P.
5,11644 gold badges2929 silver badges3131 bronze badges
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How to swap two variables in JavaScript
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@FrançoisWahl Good point. I think most of the answers here will work and are fairly equivalent. I suppose it's a trade off between temporary variable use, amount of code, and speed.
– showdev
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json_encode is returning NULL?
...having the same problem here. I had values with non-utf8 chars like "Validação de Formulários". I know this question is a little bit old now, but that's the awesomeness of internet!!
– fabio
Feb 11 '11 at 23:23
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Designing function f(f(n)) == -n
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@a1kmm: Sorry, -2³² above should have been -2³¹. Anyway, the case where f(0)≠0 (and so f(0)=-2³¹) is actually the easier case, as we showed these two are disconnected from the rest. The other case we need to consider is that f(0)=0, but...
Fragment onCreateView and onActivityCreated called twice
... answered Jan 12 '13 at 16:44
XåpplI'-I0llwlg'I -XåpplI'-I0llwlg'I -
17.9k2323 gold badges9595 silver badges143143 bronze badges
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Flask raises TemplateNotFound error even though template file exists
...nswered Jan 24 '17 at 16:23
François BretonFrançois Breton
9711212 silver badges2323 bronze badges
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HTTP POST Returns Error: 417 “Expectation Failed.”
...ed Sep 9 '11 at 7:34
Engin ArdıçEngin Ardıç
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