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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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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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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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Understanding NSRunLoop

... run loop directly, though there are some (networking) components that may allow you to specify which run loop they will use for I/O processing. A run loop for a given thread will wait until one or more of its input sources has some data or event, then fire the appropriate input handler(s) to proce...
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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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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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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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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. ...
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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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Recent file history in Vim?

... :e #<1 opens last file, see :h c_#<. – Hotschke Dec 15 '15 at 16:42 ...