大约有 44,000 项符合查询结果（耗时：0.0320秒） [XML]
How to fetch FetchType.LAZY associations with JPA and Hibernate in a Spring Controller
...y collection in order to initialize it (common practice is to call .size() for this purpose). In Hibernate there is a dedicated method for this (Hibernate.initialize()), but JPA has no equivalent of that. Of course you will have to make sure that the invocation is done, when the session is still ava...
IBOutlet and IBAction
...ur code, but if you are going to use it, then you need to specify IBAction for methods that will be used in IB and IBOutlet for objects that will be used in IB.
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Difference between EXISTS and IN in SQL?
...e query optimiser part, the part where you can use a JOIN as a replacement for IN.
– farthVader
Jan 27 '15 at 3:52
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How do I use ROW_NUMBER()?
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For the first question, why not just use?
SELECT COUNT(*) FROM myTable
to get the count.
And for the second question, the primary key of the row is what should be used to identify a particular row. Don't try and use the...
jQuery select2 get value of select tag?
...3 (which ever is selected) and can you post the code in function select2() for more details.
– somesh
Nov 11 '13 at 14:40
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Why do browsers match CSS selectors from right to left?
...lector matching it has one element (the one it's trying to determine style for) and all your rules and their selectors and it needs to find which rules match the element. This is different from the usual jQuery thing, say, where you only have one selector and you need to find all the elements that ...
How should equals and hashcode be implemented when using JPA and Hibernate
...e? What are the common pitfalls? Is the default implementation good enough for most cases? Is there any sense to use business keys?
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Vagrant ssh authentication failure
...network interface can be anything you want when you're building box. Don't forget the Vagrant user, as discussed in the Google thread.
Good luck.
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How to do parallel programming in Python?
For C++, we can use OpenMP to do parallel programming; however, OpenMP will not work for Python. What should I do if I want to parallel some parts of my python program?
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Programmatically Hide/Show Android Soft Keyboard [duplicate]
...aw this thread. I tried accepted methods given there..But nothing worked for me..
4 Answers
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