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Hibernate SessionFactory vs. JPA EntityManagerFactory
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Prefer EntityManagerFactory and EntityManager. They are defined by the JPA standard.
SessionFactory and Session are hibernate-specific. The EntityManager invokes the hibernate session under the hood. And if you need some specific features that are not available in the EntityManager, you ...
Can we instantiate an abstract class?
...T denotes a class, then an anonymous direct subclass of the class named by T is declared. It is a compile-time error if the
class denoted by T is a final class.
If T denotes an interface, then an anonymous direct subclass of Object that implements the interface named by T is declared.
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What do Clustered and Non clustered index actually mean?
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You should clarify what you mean by "physically".
– Spencer Ruport
Aug 9 '09 at 17:26
146
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How can I return camelCase JSON serialized by JSON.NET from ASP.NET MVC controller methods?
...N data via ActionResult s from ASP.NET MVC controller methods, serialized by JSON.NET .
12 Answers
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Maven Install on Mac OS X
I'm trying to install maven through the terminal by following these instructions .
24 Answers
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What does a just-in-time (JIT) compiler do?
...compiler runs after the program has started and compiles the code (usually bytecode or some kind of VM instructions) on the fly (or just-in-time, as it's called) into a form that's usually faster, typically the host CPU's native instruction set. A JIT has access to dynamic runtime information wherea...
Enable Vim Syntax Highlighting By Default
I know how to turn syntax highlighting on and off in vim by running this in the editor:
6 Answers
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capturing self strongly in this block is likely to lead to a retain cycle
...f or properties on self from within a block that will be strongly retained by self.
You can get around this by creating a weak reference to self before accessing timerDisp inside your block:
__weak typeof(self) weakSelf = self;
[player addPeriodicTimeObserverForInterval:CMTimeMakeWithSeconds(0.1, ...
Can I squash commits in Mercurial?
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Yes, you can do this using mercurial without any extensions by Concatenating Changesets.
Alternately if you want to use an extension you could use:
The Collapse Extension
The Rebase Extension or
The Histedit Extension
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Background image jumps when address bar hides iOS/Android/Mobile Chrome
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This issue is caused by the URL bars shrinking/sliding out of the way and changing the size of the #bg1 and #bg2 divs since they are 100% height and "fixed". Since the background image is set to "cover" it will adjust the image size/position as ...