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How do I set a variable to the output of a command in Bash?
I have a pretty simple script that is something like the following:
14 Answers
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The order of elements in Dictionary
... For purposes of enumeration, each item in the dictionary is treated as a KeyValuePair<TKey, TValue> structure representing a value and its key. The order in which the items are returned is undefined.
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How do I merge a list of dicts into a single dict?
How can I turn a list of dicts like this
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Removing multiple keys from a dictionary safely
I know how to remove an entry, 'key' from my dictionary d , safely. You do:
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builder for HashMap
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Since Java 9 Map interface contains:
Map.of(k1,v1, k2,v2, ..)
Map.ofEntries(Map.entry(k1,v1), Map.entry(k2,v2), ..).
Limitations of those factory methods are that they:
can't hold nulls as keys and/or values (if you need to store nulls take a look at other answer...
Git keeps asking me for my ssh key passphrase
I created keys as instructed in the github tutorial, registered them with github, and tried using ssh-agent explicitly — yet git continues to ask me for my passphrase every time I try to do a pull or a push.
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What would cause an algorithm to have O(log n) complexity?
My knowledge of big-O is limited, and when log terms show up in the equation it throws me off even more.
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How can I sort a dictionary by key?
...way to go from {2:3, 1:89, 4:5, 3:0} to {1:89, 2:3, 3:0, 4:5} ?
I checked some posts but they all use the "sorted" operator that returns tuples.
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Hashing a dictionary?
For caching purposes I need to generate a cache key from GET arguments which are present in a dict.
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Add single element to array in numpy
...s a new array which can be the old array with the appended element.
I think it's more normal to use the proper method for adding an element:
a = numpy.append(a, a[0])
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