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How do I copy an object in Java?

...oes for primitives. For non-primitives, you would just do copy contructor call recursively. e.g. If DummyBean referenced FooBar then FooBar should have contructor FooBar(FooBar another), and dummy should call this.foobar = new FooBar(another.foobar) – egaga Feb...
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socket.shutdown vs socket.close

... Here's one explanation: Once a socket is no longer required, the calling program can discard the socket by applying a close subroutine to the socket descriptor. If a reliable delivery socket has data associated with it when a close takes place, the system continues to attempt da...
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SQLite in Android How to update a specific row

... It's actually a walk-around. The Third param of db.update() should be the where clause only, and the fourth is the actual condition values. In this case, the line should be: myDB.update(TableName, cv, "_id=?", new String[]{id}). SQLit...
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Using CSS in Laravel views?

...public folder public/css public/images public/fonts public/js And them called it using Laravel {{ HTML::script('js/scrollTo.js'); }} {{ HTML::style('css/css.css'); }} share | improve this ans...
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How to count the number of files in a directory using Python

... For all kind of files, subdirectories included: import os list = os.listdir(dir) # dir is your directory path number_files = len(list) print number_files Only files (avoiding subdirectories): import os onlyfiles = next(os.w...
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Chai: how to test for undefined with 'should' syntax

...advantages of the should syntax. It works by adding the should property to all objects, but if a return value or variable value is undefined, there isn't a object to hold the property. The documentation gives some workarounds, for example: var should = require('chai').should(); db.get(1234, functi...
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What is the correct syntax for 'else if'?

... no worries, we all have to learn sometime. I find it weird that python places such an elphisise on readbility and then goes and use elkif instead of else it. I suggest keeping the python API manual open at all times: docs.python.org/3.1 th...
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ipython reads wrong python version

...on # -*- coding: utf-8 -*- import re import sys from IPython import start_ipython if __name__ == '__main__': sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) sys.exit(start_ipython()) And mine works properly like this, but my situation isn't exactly like the OP's. Ori...
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what is the right way to treat Python argparse.Namespace() as a dictionary?

...store me' >>> args.baz 'store me' Yes, it is okay to access the __dict__ attribute. It is a well-defined, tested, and guaranteed behavior. share | improve this answer | ...
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How to delete last item in list?

... then: #!/usr/bin/env python # coding: utf-8 from timer import Timer if __name__ == '__main__': a, record = None, [] while not a == '': with Timer() as t: # everything in the block will be timed a = input('Type: ') record.append(t.elapsed_s) # drop the last...