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Is there a difference between “raise exception()” and “raise exception” without parenthesis?

...e MyException and raise MyException() do the same thing. This first form auto instantiates your exception. The relevant section from the docs says, "raise evaluates the first expression as the exception object. It must be either a subclass or an instance of BaseException. If it is a class, the exc...
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Green Bars in Visual Studio 2010

I am wondering what these greens things are in Visual Studio 2010. What are they for? They look pretty random but of course they have to have some meaning. Can any one tell me? ...
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Postgres: How to do Composite keys?

I cannot understand the syntax error in creating a composite key. It may be a logic error, because I have tested many varieties. ...
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What is the second parameter of NSLocalizedString()?

... The comment string is ignored by the application. It is used for a translator's benefit, to add meaning to the contextual usage of the key where it is found in your application. For example, the Hello_World_Key key may take different values in a given language, depending on how ...
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How to create a new file together with missing parent directories?

When using 3 Answers 3 ...
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Python: How do I make a subclass from a superclass?

... # Initialize using Parent # class MySubClass(MySuperClass): def __init__(self): MySuperClass.__init__(self) Or, even better, the use of Python's built-in function, super() (see the Python 2/Python 3 documentation for it) may be a slightly better method of calling the parent for ...
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WPF Command Line

I am trying to create a WPF application that takes command line arguments. If no arguments are given, the main window should pop up. In cases of some specific command line arguments, code should be run with no GUI and exit when finished. Any suggestions on how this should properly be done would be a...
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Does Internet Explorer support pushState and replaceState?

Does anybody know if Internet Explorer supports the history.pushState() and history.replaceState() methods for manipulating browser history ? Considering these are just being implemented in Firefox 4, I'm not holding my breath, but does anybody know if they're coming in IE9? ...
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Intellij IDEA generate for-each/for keyboard shortcut

Is there a keyboard shortcut generating a foreach and also for loop? 7 Answers 7 ...
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View's SELECT contains a subquery in the FROM clause

... As per documentation: MySQL Docs The SELECT statement cannot contain a subquery in the FROM clause. Your workaround would be to create a view for each of your subqueries. Then access those views from within your view view_credit...