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Implementation difference between Aggregation and Composition in Java
I'm aware of the conceptual differences between Aggregation and Composition. Can someone tell me the implementation difference in Java between them with examples?
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Why do my list item bullets overlap floating elements
I have an (XHTML Strict) page where I float an image alongside regular paragraphs of text. All goes well, except when a list is used instead of paragraphs. The bullets of the list overlap the floated image.
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Django: Get an object form the DB, or 'None' if nothing matches
Is there any Django function which will let me get an object form the database, or None if nothing matches?
8 Answers
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Vim Insert Mode on Mac OS X
Apparently Mac keyboards don't have an Insert key (or maybe they do but I can't find it). How can I get to insert mode in vim on a Mac?
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Can you force Visual Studio to always run as an Administrator in Windows 8?
In Windows 7, you could go into a programs compatibility settings and check off to always run as an Administrator. Is there a similar option in Windows 8?
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Cocoa Touch: How To Change UIView's Border Color And Thickness?
I saw in the inspector that I can change the background color, but I'd like to also change the border color and thickness, is this possible?
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Should I return a Collection or a Stream?
Suppose I have a method that returns a read-only view into a member list:
9 Answers
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How do you find all subclasses of a given class in Java?
How does one go about and try to find all subclasses of a given class (or all implementors of a given interface) in Java?
As of now, I have a method to do this, but I find it quite inefficient (to say the least).
The method is:
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Best practice for partial updates in a RESTful service
I am writing a RESTful service for a customer management system and I am trying to find the best practice for updating records partially. For example, I want the caller to be able to read the full record with a GET request. But for updating it only certain operations on the record are allowed, like ...
Moving average or running mean
Is there a SciPy function or NumPy function or module for Python that calculates the running mean of a 1D array given a specific window?
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