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How do I copy an object in Java?

...mmy = another.dummy; // you can access } } Every object has also a clone method which can be used to copy the object, but don't use it. It's way too easy to create a class and do improper clone method. If you are going to do that, read at least what Joshua Bloch has to say about it in Effectiv...
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Getting an object from an NSSet

...essage. If it returns nil, the set does not contain an object equal to the one you passed; if it returns an object pointer, then the pointer it returns is to the object already in the set. The objects in the set must implement hash and isEqual: for this to be useful. – Peter Ho...
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“Least Astonishment” and the Mutable Default Argument

Anyone tinkering with Python long enough has been bitten (or torn to pieces) by the following issue: 31 Answers ...
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What is the difference between a heuristic and an algorithm?

...is precisely defined. The solution could or could not be the best possible one but you know from the start what kind of result you will get. You implement the algorithm using some programming language to get (a part of) a program. Now, some problems are hard and you may not be able to get an accept...
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Should I use PATCH or PUT in my REST API?

...activate' or 'deactivate' to the resource. As there (seems) to only be the one thing to toggle, completely replacing it is not such a huge deal. And it does allow for a (insignificantly) smaller request. – thecoshman Jun 17 '14 at 13:04 ...
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New line in text area

... Try this one: <textarea cols='60' rows='8'>This is my statement one.
This is my statement2</textarea> 
 Line Feed and 
 Carriage Return are HTML entitieswikipedia. This way ...
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SQL error “ORA-01722: invalid number”

A very easy one for someone, The following insert is giving me the 13 Answers 13 ...
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Why are only a few video games written in Java? [closed]

Why aren't many commercial, 3D video games (not random open source 2D ones) written in Java? In theory, it makes a lot of sense: you get a productivity boost and a cross-platform application almost for free, among other things, such as the vast amount of Java libraries, and built-in garbage collecti...
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Shuffling a list of objects

...se your results will vary Note that shuffle works in place, and returns None. share | improve this answer | follow | ...
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Circular list iterator in Python

...usly) In order to manually advance the iterator and pull values from it one by one, simply call next(pool): >>> next(pool) 'a' >>> next(pool) 'b' share | improve this answer ...