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Difference between Inheritance and Composition
...can always be modified to use another data structure without violating the API.
I highly recommend Josh Bloch's book Effective Java 2nd Edition
Item 16: Favor composition over inheritance
Item 17: Design and document for inheritance or else prohibit it
Good object-oriented design is not about l...
Inheritance vs. Aggregation [closed]
...g them no-ops so no one calls them inadvertently? Or giving hints to your API doc generation tool to omit the method from the doc?
Those are strong clues that aggregation is the better choice in that case.
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IEnumerable vs List - What to Use? How do they work?
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IList is not read-only - docs.microsoft.com/en-us/dotnet/api/… IEnumerable is read-only because it lacks any methods to add or remove anything once it is constructed, it is one of the base interfaces which IList extends (see link)
– CAD bloke
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Best practice for partial updates in a RESTful service
...ty useful and clean when you have a reduced set of statuses. It makes your API more expressive without forcing the existing operations for your customer resource.
Example:
POST /customer/active <-- Providing entity in the body a new customer
{
... // attributes here except status
}
The PO...
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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Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)
... a very C style, RAII won't have been used. Short of re-writing the entire API front-end, that's just what you have to work with. Then the lack of "finally" really bites.
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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Understanding the Rails Authenticity Token
...tain the correct authenticity token, and will not be allowed to continue.
API docs describes details about meta tag:
CSRF protection is turned on with the protect_from_forgery method,
which checks the token and resets the session if it doesn't match what
was expected. A call to this method ...
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...