react-router-dom v6 Routes showing blank page

In react-router-dom@6 the Route components don’t render routed content as children, they use the element prop. Other Route components are the only valid children of a Route in the case of building nested routes. export default function WebRoutes() { return ( <Routes> <Route path=”https://stackoverflow.com/” element={<Welcome />} /> </Routes> ); } Ensure that you have rendered … Read more

Powersets in Python using itertools

itertools functions return iterators, objects that produce results lazily, on demand. You could either loop over the object with a for loop, or turn the result into a list by calling list() on it: from itertools import chain, combinations def powerset(iterable): “powerset([1,2,3]) –> () (1,) (2,) (3,) (1,2) (1,3) (2,3) (1,2,3)” s = list(iterable) return … Read more

Interactive pixel information of an image

There a couple of different ways to go about this. You can monkey-patch ax.format_coord, similar to this official example. I’m going to use a slightly more “pythonic” approach here that doesn’t rely on global variables. (Note that I’m assuming no extent kwarg was specified, similar to the matplotlib example. To be fully general, you need … Read more

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