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How to return a string value from a Bash function
I'd like to return a string from a Bash function.
18 Answers
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Find the files existing in one directory but not in the other [closed]
I'm trying to find the files existing in one directory but not in the other, I tried to use this command:
14 Answers
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Swift and mutating struct
There is something that I don't entirely understand when it comes to mutating value types in Swift.
7 Answers
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Is there a way to cache GitHub credentials for pushing commits?
I recently switched to synchronizing my repositories to https:// on GitHub (due to firewall issues), and it asks for a password every time.
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ORDER BY the IN value list
I have a simple SQL query in PostgreSQL 8.3 that grabs a bunch of comments. I provide a sorted list of values to the IN construct in the WHERE clause:
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What is the scope of variables in JavaScript?
What is the scope of variables in javascript? Do they have the same scope inside as opposed to outside a function? Or does it even matter? Also, where are the variables stored if they are defined globally?
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Find unique rows in numpy.array
I need to find unique rows in a numpy.array .
20 Answers
20
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How to implement onBackPressed() in Fragments?
Is there a way in which we can implement onBackPressed() in Android Fragment similar to the way in which we implement in Android Activity?
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What are the differences between Deferred, Promise and Future in JavaScript?
...Deferreds, Promises and Futures?
Is there a generally approved theory behind all these three?
5 Answers
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Returning unique_ptr from functions
unique_ptr<T> does not allow copy construction, instead it supports move semantics. Yet, I can return a unique_ptr<T> from a function and assign the returned value to a variable.
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