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How to detect total available/free disk space on the iPhone/iPad device?

... Original answer: I found the following solution working for me: -(uint64_t)getFreeDiskspace { uint64_t totalSpace = 0; uint64_t totalFreeSpace = 0; NSError *error = nil; NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSDic...
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On delete cascade with doctrine2

...ple in order to learn how to delete a row from a parent table and automatically delete the matching rows in the child table using Doctrine2. ...
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Backwards migration with Django South

Ok, so this seems like a really silly thing to ask, and I'm sure I'm missing something somewhere. 3 Answers ...
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Mixin vs inheritance

... A mixin is typically used with multiple inheritance. So, in that sense, there's "no difference". The detail is that a mixin is rarely useful as a standalone object. For example, say you have a mixin named "ColorAndDimension", which adds a co...
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Unable to find specific subclass of NSManagedObject

...://stackoverflow.com/a/31287260/1187415). Remark: This answer was originally written for Xcode 6. There were some changes in the various Xcode 7 beta releases with respect to this problem. Since it is an accepted answer with many upvotes and links to it, I have tried to summarize the situation fo...
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Regex for password must contain at least eight characters, at least one number and both lower and up

... "^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{8,}$" does not allow symbols as one of the 8 characters – Wee Jan 6 '15 at 2:30 2 ...
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How to dump a dict to a json file?

... you can supply all those parameters to dump(sample, file, ...) too. The extra step of writing to a string is not needed. dump internally writes in chunks. This could be more efficient than to compile a (possibly huge) string first. ...
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Should I use encodeURI or encodeURIComponent for encoding URLs?

... It depends on what you are actually wanting to do. encodeURI assumes that the input is a complete URI that might have some characters which need encoding in it. encodeURIComponent will encode everything with special meaning, so you use it for components ...
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Node.js project naming conventions for files & folders

... your tests An example which uses this setup is nodejs-starter. I personally changed this setup to: / /etc - contains configuration /app - front-end javascript files /config - loads config /models - loads models /bin - helper scripts /lib - back-end express files /config - lo...
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Mocking python function based on input arguments

...f side_effect is a function then whatever that function returns is what calls to the mock return. The side_effect function is called with the same arguments as the mock. This allows you to vary the return value of the call dynamically, based on the input: >>> def side_effect(value): ...