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What is a JavaBean exactly?

... A JavaBean is just a standard All properties private (use getters/setters) A public no-argument constructor Implements Serializable. That's it. It's just a convention. Lots of libraries depend on it though. With respect to Serializable, from the API d...
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Setting variable to NULL after free

... int *nPtr=NULL;. Now, I would agree that this would be redundant, with a malloc following right in the next line. However, if there is code between the declaration and the first initialization, somebody might start using the variable even though it has no value yet. If you null-initialize, you get ...
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e.printStackTrace equivalent in python

... import traceback traceback.print_exc() When doing this inside an except ...: block it will automatically use the current exception. See http://docs.python.org/library/traceback.html for more information. ...
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Maven2: Missing artifact but jars are in place

... settings in the global or user settings. Check you're using the Maven installation you expect. By default m2eclipse uses the embedder, if you have a separate installation you may want to configure m2eclipse to use the external installation so that CLI and Eclipse builds are consistent. This also en...
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Capturing touches on a subview outside the frame of its superview using hitTest:withEvent:

My problem: I have a superview EditView that takes up basically the entire application frame, and a subview MenuView which takes up only the bottom ~20%, and then MenuView contains its own subview ButtonView which actually resides outside of MenuView 's bounds (something like this: Button...
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How to refer environment variable in POM.xml?

I am using maven as build tool. I have set an environment variable called env . How can I get access to this environment variable's value in the pom.xml file? ...
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CoffeeScript, When to use fat arrow (=>) over arrow (->) and vice versa

When building a class in CoffeeScript, should all the instance method be defined using the => ("fat arrow") operator and all the static methods being defined using the -> operator? ...
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Do I cast the result of malloc?

... someone suggested in a comment that I should not cast the result of malloc , i.e. 29 Answers ...
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Android: How to put an Enum in a Bundle?

...javase/1.5.0/docs/guide/serialization/spec/… – Miha_x64 Aug 19 '17 at 10:14 ...
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How does Google's Page Speed lossless image compression work?

... image can be losslessly compressed, and provide a link to download this smaller image. 9 Answers ...