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Is Integer Immutable

...ean that a can never equal another value. For example, String is immutable too, but I can still do this: String str = "hello"; // str equals "hello" str = str + "world"; // now str equals "helloworld" str was not changed, rather str is now a completely newly instantiated object, just as your Inte...
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How to Unit test with different settings in Django?

... EDIT: This answer applies if you want to change settings for a small number of specific tests. Since Django 1.4, there are ways to override settings during tests: https://docs.djangoproject.com/en/dev/topics/testing/tools/#overriding-settings TestCase will have...
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Truncate Two decimal places without rounding

Lets say I have a value of 3.4679 and want 3.46, how can I truncate to two decimal places that without rounding up? 21 Answ...
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Use of .apply() with 'new' operator. Is this possible?

In JavaScript, I want to create an object instance (via the new operator), but pass an arbitrary number of arguments to the constructor. Is this possible? ...
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How can I keep my fork in sync without adding a separate remote?

Let's assume there is a repository someone/foobar on GitHub, which I forked to me/foobar . 6 Answers ...
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How to delete (not cut) in Vim?

How can I delete a line without putting it into my default buffer? 6 Answers 6 ...
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How can I use numpy.correlate to do autocorrelation?

I need to do auto-correlation of a set of numbers, which as I understand it is just the correlation of the set with itself. ...
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How to add new column to MYSQL table?

I am trying to add a new column to my MYSQL table using PHP. I am unsure how to alter my table so that the new column is created. In my assessment table I have: ...
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How to keep a .NET console app running?

...plication that starts up some services in a separate thread. All it needs to do is wait for the user to press Ctrl+C to shut it down. ...
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Accurate way to measure execution times of php scripts

I want to know how many milliseconds a PHP for-loop takes to execute. 14 Answers 14 ...