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Convert absolute path into relative path given a current directory using Bash
...elative-to="$file1" "$file2"
For example:
$ realpath --relative-to=/usr/bin/nmap /tmp/testing
../../../tmp/testing
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Multiple inheritance/prototypes in JavaScript
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Multiple inheritance can be achieved in ECMAScript 6 by using Proxy objects.
Implementation
function getDesc (obj, prop) {
var desc = Object.getOwnPropertyDescriptor(obj, prop);
return desc || (obj=Object.getPrototypeOf(obj) ? getDesc(obj, prop...
map function for objects (instead of arrays)
I have an object:
38 Answers
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How to convert list of key-value tuples into dictionary?
...ind that the first element of your list is not a two-tuple, e.g. ('A', 1), but rather a 1916-length iterable.
Once you actually have a list in the form you stated in your original question (myList = [('A',1),('B',2),...]), all you need to do is dict(myList).
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Fastest hash for non-cryptographic uses?
I'm essentially preparing phrases to be put into the database, they may be malformed so I want to store a short hash of them instead (I will be simply comparing if they exist or not, so hash is ideal).
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How might I find the largest number contained in a JavaScript array?
I have a simple JavaScript Array object containing a few numbers.
28 Answers
28
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Fastest way to flatten / un-flatten nested JSON objects
I threw some code together to flatten and un-flatten complex/nested JSON objects. It works, but it's a bit slow (triggers the 'long script' warning).
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combinations between two lists?
It’s been a while and I’m having trouble wrapping my head around a algorithm I’m try to make. Basically, I have two lists and want to get all the combinations of the two lists.
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Using a piano keyboard as a computer keyboard [closed]
I have RSI problems and have tried 30 different computer keyboards which all caused me pain. Playing piano does not cause me pain. I have played piano for around 20 years without any pain issues. I would like to know if there is a way to capture MIDI from a MIDI keyboard and output keyboard stroke...
How do I use itertools.groupby()?
I haven't been able to find an understandable explanation of how to actually use Python's itertools.groupby() function. What I'm trying to do is this:
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