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Dictionaries and default values

...nguage is that the interpreter would be able to 'see' inside the functions and optimize it - that the user wouldn't have to deal with micro-optimizations as much. Isn't that what things like JIT compilation are for? – nishantjr Oct 27 '14 at 7:32 ...
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Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty

... I had the same error and it turned out to be a circular dependency between a module or class loaded by the settings and the settings module itself. In my case it was a middleware class which was named in the settings which itself tried to load th...
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Python mysqldb: Library not loaded: libmysqlclient.18.dylib

I just compiled and installed mysqldb for python 2.7 on my mac os 10.6. I created a simple test file that imports 15 Answe...
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Is there a setting on Google Analytics to suppress use of cookies for users who have not yet given c

... EDIT (2019): The below answer predates GDPR and likely requires revision. Google Analytics has a new set of APIs to assist with compliance with a cookie opt-out. Here's the documentation, and here's their help docs. There has been some ambiguity as to whether the EU...
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Does use of final keyword in Java improve the performance?

...s, HotSpot keeps track of whether the method has actually been overridden, and is able to perform optimizations such as inlining on the assumption that a method hasn't been overridden - until it loads a class which overrides the method, at which point it can undo (or partially undo) those optimizati...
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What's Mongoose error Cast to ObjectId failed for value XXX at path “_id”?

When sending a request to /customers/41224d776a326fb40f000001 and a document with _id 41224d776a326fb40f000001 does not exist, doc is null and I'm returning a 404 : ...
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Cosine Similarity between 2 Number Lists

...ity between two lists , let's say for example list 1 which is dataSetI and list 2 which is dataSetII . I cannot use anything such as numpy or a statistics module. I must use common modules (math, etc) (and the least modules as possible, at that, to reduce time spent). ...
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How do I import CSV file into a MySQL table?

...ed HeidiSQL. It gives you a graphical interface to build the LOAD DATA command; you can re-use it programmatically later. Screenshot: "Import textfile" dialog To open the Import textfile" dialog, go to Tools > Import CSV file: ...
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Can I zip more than two lists together in Scala?

... case, I see that a list of lists would be better anyway, as I need to map and reduce the various sub-lists. – pr1001 Nov 3 '09 at 1:38 2 ...
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How do I create some kind of table of content in GitHub wiki?

... @LB--: If you edit a GitHub wiki page and change the "editing style" dropdown to "MediaWiki", you can just use the MediaWiki __TOC__ directly. Clearly the underlying autogeneration logic is there. But the functionality doesn't seem to be exposed in their Markdown...