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How do I import the Django DoesNotExist exception?

...Jun 19 '12 at 21:28 Daniel RosemanDaniel Roseman 521k5151 gold badges699699 silver badges746746 bronze badges ...
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Zip lists in Python

... a3 a4 a5 a6 a7... b: b1 b2 b3 b4 b5 b6 b7... c: c1 c2 c3 c4 c5 c6 c7... and "zips" them into one list whose entries are 3-tuples (ai, bi, ci). Imagine drawing a zipper horizontally from left to right. share | ...
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Always pass weak reference of self into block in ARC?

...am a little confused about block usage in Objective-C. I currently use ARC and I have quite a lot of blocks in my app, currently always referring to self instead of its weak reference. May that be the cause of these blocks retaining self and keeping it from being dealloced ? The question is, sho...
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What is the reason why “synchronized” is not allowed in Java 8 interface methods?

...odifier on default methods, it turns out that doing so would be dangerous, and so was prohibited. Synchronized methods are a shorthand for a method which behaves as if the entire body is enclosed in a synchronized block whose lock object is the receiver. It might seem sensible to extend this sem...
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How do I remove a property from a JavaScript object?

...edibly in-depth blog post about the delete statement on their blog, Understanding delete. It is highly recommended. share | improve this answer | follow | ...
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How do I get indices of N maximum values in a NumPy array?

...ten equivalently as arr.argsort()[-1:-4:-1]? I've tried it in interpreter and it comes up with the same result, but I'm wondering if it's not broken by some example. – abroekhof Sep 20 '12 at 9:05 ...
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Algorithm to detect overlapping periods [duplicate]

...etect if two time periods are overlapping. Every period has a start date and an end date. I need to detect if my first time period (A) is overlapping with another one(B/C). In my case, if the start of B is equal to the end of A, they are not overlapping(the inverse too) I found the followi...
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How can I have a newline in a string in sh?

... page: Words of the form $'string' are treated specially. The word expands to string, with backslash-escaped characters replaced as specified by the ANSI C standard. Backslash escape sequences, if present, are decoded as follows: \a alert (bell) \b backs...
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Node: log in a file instead of the console

... Update 2013 - This was written around Node v0.2 and v0.4; There are much better utilites now around logging. I highly recommend Winston Update Late 2013 - We still use winston, but now with a logger library to wrap the functionality around logging of custom objects and fo...
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Eclipse cannot load SWT libraries

...time I try to open Eclipse in Ubuntu 12.04 I get an Unsatisfied Link Error and it will not open. I have recently installed the java JDK and Android SDK, could this be the problem? I followed this tutorial . ...