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how to change default python version?
I have installed python 3.2 in my mac. After I run /Applications/Python 3.2/Update Shell Profile.command , it's confusing that when I type python -V in Terminal it says that Python 2.6.1 , how can I change the default python version?
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How can I sort a dictionary by key?
What would be a nice 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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Remove all the elements that occur in one list from another
Let's say I have two lists, l1 and l2 . I want to perform l1 - l2 , which returns all elements of l1 not in l2 .
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Center a popup window on screen?
...temZoom = width / window.screen.availWidth;
const left = (width - w) / 2 / systemZoom + dualScreenLeft
const top = (height - h) / 2 / systemZoom + dualScreenTop
const newWindow = window.open(url, title,
`
scrollbars=yes,
width=${w / systemZoom},
height=${h / sys...
Algorithm to find Largest prime factor of a number
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27 Answers
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How to create a numpy array of all True or all False?
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295
numpy already allows the creation of arrays of all ones or all zeros very easily:
e.g. numpy....
cocktail party algorithm SVD implementation … in one line of code?
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2 Answers
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How to determine equality for two JavaScript objects?
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