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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 ...
Rails create or update magic?
...class called CachedObject that stores generic serialised objects indexed by key. I want this class to implement a create_or_update method. If an object is found it will update it, otherwise it will create a new one.
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Could not find method compile() for arguments Gradle
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wat do u mean by wrong place?which gradle file am supposed to edit?
– guru_001
Nov 25 '16 at 16:12
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How do I auto-hide placeholder text upon focus using css or jquery?
...e this functionality when the field is disabled here is the CSS code: /* Hiding the placeholder text (if any), when the holding field is disabled */ input:disabled::-webkit-input-placeholder { color:transparent; } input:disabled:-moz-placeholder { color:transparent; } input:disabled::-moz-placehold...
How to assign name for a screen? [closed]
... A quick note on C-a : syntax.... "All screen commands are prefixed by an escape key, by default C-a (that's Control-a, sometimes written ^a). To send a literal C-a to the programs in screen, use C-a a. This is useful when working with screen within screen. For example C-a a n will move scree...
HTML “overlay” which allows clicks to fall through to elements behind it [duplicate]
...aw arbitrary graphics), and I've come to the point where I can stack it inside of a element on top of everything, but this prevents the user from clicking on any links/buttons/etc.
Is there a way to have its content float on top of everything (it's semi-transparent, so you can still see what is beh...
DDD - the rule that Entities can't access Repositories directly
...ess logic and where things get updated. You don't have some kid who is off by himself and writes this entire program that does all these complicated things to the product catalog and when it comes to integrate it to the upstream project, you're sitting there looking at it and realize it all has to b...
C++ templates Turing-complete?
...a compiler error in your template code and you will be in for a long hard ride.
But a good practical example of it being used for something useful:
Scott Meyers has been working extensions to the C++ language (I use the term loosely) using the templating facilities. You can read about his work h...
zsh compinit: insecure directories
...ite-functions
Credit: a post on zsh mailing list
EDIT: As pointed out by @biocyberman in the comments. You may need to update the owner of site-functions as well:
$ sudo chown -R root:root ./site-functions
On my machine (OSX 10.9), I do not need to do this but YMMV.
EDIT2: On OSX 10.11, onl...
Swift - class method which must be overridden by subclass
...make a "pure virtual function" in Swift, ie. one that must be overridden by every subclass, and which, if it is not, causes a compile time error?
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