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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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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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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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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...
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What are file descriptors, explained in simple terms?

...you open a network socket, it is also represented by an integer and it is called Socket Descriptor. I hope you understand. share | improve this answer | follow ...
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Python: finding an element in a list [duplicate]

...hod .index. For the objects in the list, you can do something like: def __eq__(self, other): return self.Value == other.Value with any special processing you need. You can also use a for/in statement with enumerate(arr) Example of finding the index of an item that has value > 100. for...
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What is Weak Head Normal Form?

... further (i.e. it contains no un-evaluated thunks). These expressions are all in normal form: 42 (2, "hello") \x -> (x + 1) These expressions are not in normal form: 1 + 2 -- we could evaluate this to 3 (\x -> x + 1) 2 -- we could apply the function "he" ++ "llo" ...
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Determine if Android app is being used for the first time

... Beware for Android 6.0 (API 23 - Marshmallow) or above auto backup (developer.android.com/guide/topics/data/autobackup.html)is enabled by default. If the users uninstalls and then reinstalls the app the shared preferences will be recovered. So on reinstalls you ca...
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How to export all data from table to an insertable sql format?

I have a Table (call it A_table ) in a database (call it A_db ) in Microsoft SQL Server Management Studio, and there are 10 rows. ...