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Share data between AngularJS controllers
...on to this is if you care about the initial value. See: docs.angularjs.org/api/ng/type/$rootScope.Scope#$watch
– Gautham C.
Apr 23 '15 at 18:20
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JPA EntityManager: Why use persist() over merge()?
...n visualize the following diagram:
Or if you use the Hibernate specific API:
As illustrated by the above diagrams, an entity can be in one of the following four states:
New (Transient)
A newly created object that hasn’t ever been associated with a Hibernate Session (a.k.a Persistence Cont...
Use of Application.DoEvents()
...by the trouble caused by DoEvents and threads but in large part by WinRT's API design that requires you to keep your UI updated while an asynchronous operation is taking place. Like reading from a file.
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Interface vs Abstract Class (general OO)
...rfaces.
Abstract base classes can be modified in v2+ without breaking the API. Changes to interfaces are breaking changes.
[C#/.NET Specific] Interfaces, unlike abstract base classes, can be applied to value types (structs). Structs cannot inherit from abstract base classes. This allows behavio...
Why do you program in assembly? [closed]
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Programming certain 3D graphic cards (circa late 1990s) in the absence of APIs was often more practical and efficient in assembly language, and sometimes not possible in other languages. But again, this involved really expert-level games based on the accelerator architecture like manually moving da...
How to detect if multiple keys are pressed at once using JavaScript?
...ener left over.
For thoroughness, here is a quick reference to the class's API, presented in C/Java style so you know what they return and what arguments they expect.
Boolean key_down (String key);
Returns true if key is down, false otherwise.
Boolean keys_down (String key1, String key2, ...);
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The term “Context” in programming? [closed]
... optional context.
Here's the interesting part: for a lot of software and APIs, the required context usually ends up as actual parameters in a method signature, and optional context goes somewhere else, like a flexible key-value map that can contain anything (and may be empty) or into thread-local ...
Can multiple different HTML elements have the same ID if they're different elements?
...e to work with these elements from JS, pass them as selectors to libraries/APIs/Flash, etc.
– mrooney
May 13 '13 at 20:55
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When monkey patching an instance method, can you call the overridden method from the new implementat
...ok at this replacing methods article (especially the first part).
The Ruby API docs, also provides (a less elaborate) example.
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How are msys, msys2, and msysgit related to each other?
...the POSIX emulation layer,
and another one that targets the plain Win32 API (with a few convenience functions thrown in).
Git for Windows' executables are built using the latter, and therefore they are really just Win32 programs. To discern executables requiring the POSIX emulation laye...