大约有 38,000 项符合查询结果（耗时：0.0450秒） [XML]
How to view the SQL queries issued by JPA?
... get the SQL for a specific Query at runtime you can use the DatabaseQuery API:
Query query = em.createNamedQuery("findMe");
Session session = em.unwrap(JpaEntityManager.class).getActiveSession();
DatabaseQuery databaseQuery = ((EJBQueryImpl)query).getDatabaseQuery();
databaseQuery.prepareCall(s...
How to handle both a single item and an array for the same property using JSON.net
...m having some trouble with the inconsistent treatment of categories in the API.
7 Answers
...
What is the difference between Digest and Basic Authentication?
...ss time to deliver, so developers could be more likely to want to use your API
Unlike Digest, you can store the passwords on the server in whatever encryption method you like, such as bcrypt, making the passwords more secure
Just one call to the server is needed to get the information, making the c...
Weird Integer boxing in Java
...afc there is no other way to unbox an Integer than via the official public API, i.e. calling intValue(). But there are other possible ways to get an Integer instance for an int value, e.g. a compiler may generate code keeping and reusing previously created Integer instances.
– ...
FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)
...
But now it is deprecated in api 27 -> to use the v4 version again. Then we have the problem again, with not way to use the none support lib Fragment
– Morten Holmgaard
Apr 5 '18 at 8:32
...
What is the difference between a symbolic link and a hard link?
...n get the open and unlink to happen atomically, which there may be a POSIX API for that I'm not remembering, then you really have a safe temporary file) where you can read/write your data without anyone being able to access it. Well, that was true before /proc gave everyone the ability to look at y...
What is the difference between DAO and Repository patterns?
...u can go the old way of writing the query methods yourself (using Criteria API etc), but you'd just make your life a bit more complex ... You might say that you would have more flexibility like that, but that's not true either as if you really want to go crazy with your queries, Spring Data allows y...
What is Java String interning?
...
http://docs.oracle.com/javase/7/docs/api/java/lang/String.html#intern()
Basically doing String.intern() on a series of strings will ensure that all strings having same contents share same memory. So if you have list of names where 'john' appears 1000 times, by ...
What does “program to interfaces, not implementations” mean?
...ng sort as long as the interface does not change.
Libraries like the Java API and the .NET Framework make heavy use of interfaces because millions of programmers use the objects provided. The creators of these libraries have to be very careful that they do not change the interface to the classes in...
“From View Controller” disappears using UIViewControllerContextTransitioning
...ad just retrieved them from the view controllers.
– tapi
Jul 5 '14 at 20:14
1
I was seeing simila...