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Getting SyntaxError for print with keyword argument end=' '

...print ("foo" % bar, end=" ") or print "foo" % bar, end=" " i.e. as a call to print with a tuple as argument. That's obviously bad syntax (literals don't take keyword arguments). In Python 3.x print is an actual function, so it takes keyword arguments, too. The correct idiom in Python 2.x for ...
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class

...lass << foo syntax opens up foo's singleton class (eigenclass). This allows you to specialise the behaviour of methods called on that specific object. a = 'foo' class << a def inspect '"bar"' end end a.inspect # => "bar" a = 'foo' # new object, new singleton class a.insp...
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How do I expire a PHP session after 30 minutes?

...ms with filesystems where atime tracking is not available. So it additionally might occur that a session data file is deleted while the session itself is still considered as valid because the session data was not updated recently. And second: session.cookie_lifetime session.cookie_lifetime ...
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Is it possible to forward-declare a function in Python?

...rwards is impossible, what about defining it in some other module? Technically you still define it first, but it's clean. You could create a recursion like the following: def foo(): bar() def bar(): foo() Python's functions are anonymous just like values are anonymous, yet they can be ...
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Is there a typical state machine implementation pattern?

... Really nice touch how NUM_STATES is defined. – Albin Stigo Dec 19 '15 at 19:38  | ...
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Do I need to explicitly call the base virtual destructor?

...the destructor again as virtual on the inheriting class, but do I need to call the base destructor? 7 Answers ...
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How to downgrade or install an older version of Cocoapods

How can I downgrade Cocoapods to an older version, or how can I install an older version of Cocoapods? 6 Answers ...
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Debugging Package Manager Console Update-Database Seed Method

... Here is similar question with a solution that works really well. It does NOT require Thread.Sleep. Just Launches the debugger using this code. Clipped from the answer if (!System.Diagnostics.Debugger.IsAttached) System.Diagnostics.Debugger.Launch(); ...
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Django “xxxxxx Object” display customization in admin action sidebar

... I'd declared unicode methods for every model EXCEPT this one. :doh: Sorry all. – patrickn Feb 17 '12 at 23:04 add a comment  |  ...
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How do I capture SIGINT in Python?

...f KeyboardInterruptException is implemented as a SIGINT handler or if it really only catches Ctrl+C presses, but either way, using a signal handler makes your intent explicit (at least, if your intent is the same as OP's). More importantly though, with a signal you don't have to wrap try-catches ar...