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Python - Passing a function into another function

I am solving a puzzle using python and depending on which puzzle I am solving I will have to use a special set of rules. How can I pass a function into another function in Python? ...
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Dual emission of constructor symbols

...? This class has no base. Why does it have a "complete object constructor" and a "base object constructor" for each? This Q&A implies to me that this is simply a by-product of polymorphism support, even though it's not actually required in this case. Note that c++filt used to include this info...
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CSS Selector “(A or B) and C”?

...(.a .b) .c { /* stuff goes here */ } You can find more info on it here and here. Currently, most browsers support its initial version :any(), which works the same way, but will be replaced by :matches(). We just have to wait a little more before using this everywhere (I surely will). ...
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Capture key press (or keydown) event on DIV element

...n readers for visually impaired users (it will skip everything on the page and go straight to any tabindex above 0). tabindex="0" makes it "tabbable." you can have infinite elements with tabindex="0" – zonabi Feb 29 '16 at 18:26 ...
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String literals and escape characters in postgresql

...s such: insert into EscapeTest (text) values (E'This is the first part \n And this is the second'); This suppressed the warning, but the text was still not being returned correctly. When I added the additional slash as Michael suggested, it worked. As such: insert into EscapeTest (text) values ...
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Find difference between timestamps in seconds in PostgreSQL

... It will Subtract arguments, producing a "symbolic" result that uses years and months. It wont give the difference in seconds. – Igor Romanchenko Dec 24 '12 at 11:55 ...
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What is __declspec and when do I need to use it?

... seen instances of __declspec in the code that I am reading. What is it? And when would I need to use this construct? 6 A...
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How to force a SQL Server 2008 database to go Offline

..., State 1, Line 1 ALTER DATABASE statement failed. – Andez Jul 9 '12 at 11:02 6 I've seen occuren...
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How to override Backbone.sync?

I'm trying out Backbone.js, and one of the things I'm trying is to make a call to a remote API, so I need to be able to override Backbone.sync, as I understand the documentation . ...
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How to query nested objects?

... I don't know, just wondering, and thought it may sometimes be useful. – trysis May 2 '14 at 17:09 3 ...