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Purpose of Django setting ‘SECRET_KEY’

... Why didn't they call it a salt then? ;) – datenwolf Jun 15 '13 at 18:00 30 ...
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How to detect if a property exists on an ExpandoObject?

...a dynamic invocation, with the case you get in the internals. More specifically, it is explicitly implemented: github.com/mono/mono/blob/master/mcs/class/dlr/Runtime/… – Dykam Feb 4 '15 at 18:04 ...
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How to use mongoimport to import csv

... Is it possible to import all the records from the csv into just 1 object instead of 1 object per record? – Aniket Kapse Aug 22 '16 at 12:34 ...
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ImportError: No module named pip

... After installing ez_setup, you should have easy_install available. To install pip just do: easy_install pip share | improve this answer ...
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How to write LaTeX in IPython Notebook?

...you would. Then use nbconvert to turn the ipynb to TeX (code, figures and all), and run latex to render that to PDF, etc. You don't get live-rendered TeX in the browser like you do with MathJax / Markdown, but you do still have TeX / code in one document. – minrk ...
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get UTC time in PHP

...i: a Unix timestamp is by definition always UTC. en.wikipedia.org/wiki/Unix_time – nikc.org Jul 20 '15 at 8:20 1 ...
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Create space at the beginning of a UITextField

...but this is not the way. The reason you've to do it with a subclass is for all the edge cases. This code will probably crash before the subclass solution. But you are right that you shouldn't write code that is not strictly needed and can be provide by using the given libraries, but you shouldn't ab...
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get dictionary value by key

... It's as simple as this: String xmlfile = Data_Array["XML_File"]; Note that if the dictionary doesn't have a key that equals "XML_File", that code will throw an exception. If you want to check first, you can use TryGetValue like this: string xmlfile; if (!Data_Array.T...
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Is it safe to resolve a promise multiple times?

... rejected), that is it for a defered object - it is done. If you should call then(...) on it's promise again, you should immediately get the (first) resolved/rejected result. Additional calls to resolve() will not (should not?) have any effect. Not sure what happens if you attempt to reject a de...
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When should I use uuid.uuid1() vs. uuid.uuid4() in python?

...d4() generates, as you said, a random UUID. The chance of a collision is really, really, really small. Small enough, that you shouldn't worry about it. The problem is, that a bad random-number generator makes it more likely to have collisions. This excellent answer by Bob Aman sums it up nicely. (I...