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Check if a variable is of function type

...swered Sep 9 '11 at 2:24 Alex GrandeAlex Grande 6,85311 gold badge2323 silver badges2727 bronze badges ...
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Why doesn't print work in a lambda?

...thon 2.x, print is a statement. However, in Python 3, print is a function (and a function application is an expression, so it will work in a lambda). You can (and should, for forward compatibility :) use the back-ported print function if you are using the latest Python 2.x: In [1324]: from __future...
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405 method not allowed Web API

This error is very common, and I tried all of the solutions and non of them worked. I have disabled WebDAV publishing in control panel and added this to my web config file: ...
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How to import the class within the same directory or sub directory?

...es are in a subdirectory - put an __init__.py in the subdirectory as well, and then use regular import statements, with dot notation. For each level of directory, you need to add to the import path. bin/ main.py classes/ user.py dir.py So if the directory was named "class...
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Check play state of AVPlayer

...ItemDidPlayToEndTimeNotification object:<#A player item#>]; And to track playing you can: "track changes in the position of the playhead in an AVPlayer object" by using addPeriodicTimeObserverForInterval:queue:usingBlock: or addBoundaryTimeObserverForTimes:queue:usingBlock:. Exampl...
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Can someone explain in simple terms to me what a directed acyclic graph is?

...answered Feb 17 '10 at 19:29 Roland BoumanRoland Bouman 27.5k55 gold badges6161 silver badges6464 bronze badges ...
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Have a div cling to top of screen if scrolled down past it [duplicate]

...has scrolled past it. This is done with something like this, attaching a handler to the window.scroll event // Cache selectors outside callback for performance. var $window = $(window), $stickyEl = $('#the-sticky-div'), elTop = $stickyEl.offset().top; $window.scroll(functi...
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How to pass “Null” (a real surname!) to a SOAP web service in ActionScript 3

...I thought this was a coercion bug where null was getting coerced to "null" and a test of "null" == null was passing. It's not. I was close, but so very, very wrong. Sorry about that! I've since done lots of fiddling on wonderfl.net and tracing through the code in mx.rpc.xml.*. At line 1795 of XMLEn...
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When to use Comparable and Comparator

...thought I wrote a new class that implements Comparator, that does the task and it works. 19 Answers ...
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How to customize a Spinner in Android

I want to add a custom height to the dropdown of a Spinner , say 30dp, and I want to hide the dividers of the dropdown list of Spinner . ...