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Why is the String class declared final in Java?

...dd a sentence as to how preventing subclasses enforces immutability. Right now, it is kind of a half-answer. – Thilo Jan 15 '10 at 1:29 ...
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How do I capture SIGINT in Python?

...ython script that starts several processes and database connections. Every now and then I want to kill the script with a Ctrl + C signal, and I'd like to do some cleanup. ...
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Difference between /res and /assets directories

I know that files in the res directory are accessible from R.class while assets behaves like a file system, but I would like to know, in general, when it's best to use one and the other. Can anyone help me in knowing the real differences between res and assets? ...
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What are queues in jQuery?

...ar resized = function() { // simple animation callback - let maps know we resized google.maps.event.trigger(map, 'resize'); }; // wait 2 seconds $map.delay(2000); // resize the div: $map.animate({ width: 250, height: 250, marginLeft: 250, ...
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What is the Sign Off feature in Git for?

...eated the patch in question, or that you certify that to the best of your knowledge, it was created under an appropriate open-source license, or that it has been provided to you by someone else under those terms. This can help establish a chain of people who take responsibility for the copyright sta...
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How might I convert a double to the nearest integer value?

... @Keith: I don't know but I've always been taught to round x.5 up but I can see reasoning to do it up or down for statistics. Thanks for that. PS It's clear to see I'm not in statistics, finance or accounting where this kind of rounding seems ...
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The import org.junit cannot be resolved

... I added JUnit 4 via Properties -> Java Build Path, but every now and then Eclipse still shows me this error, though running the tests is possible without problems. Restarting Eclipse resolves the problem - for a while. Any explanation for this? – Thomas W ...
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How to print a dictionary line by line in Python?

... I know this is old, but I thought it would be worth mentioning that this doesn't work if cars[x] is integers. It isn't what the OP was requesting, so I'm just saying it for anybody that stumbles upon this assuming it's a blanket...
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How do I get the object if it exists, or None if it does not exist?

...u can do it this way: go = Content.objects.filter(name="baby").first() Now go variable could be either the object you want or None Ref: https://docs.djangoproject.com/en/1.8/ref/models/querysets/#django.db.models.query.QuerySet.first ...
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@RequestBody and @ResponseBody annotations in Spring

... private String description; // + getters, setters, constructor } Now if you have Jackson on your classpath (and have an <mvc:annotation-driven> setup), Spring would convert the incoming JSON to a UserStats object from the post body (because you added the @RequestBody annotation) and ...