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Set markers for individual points on a line in Matplotlib
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python pandas: apply a function with arguments to a series
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Default function arguments in Rust
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Principal component analysis in Python
...s is another variant of the XY problem - the OP said he didn't want an SVD-based solution because he thought SVD will be too slow, probably without having tried it yet. In cases like this I personally think it's more helpful to explain how you would tackle the broader problem, rather than answering ...
How do I get the real .height() of a overflow: hidden or overflow: scroll div?
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MySQL indexes - what are the best practices?
I've been using indexes on my MySQL databases for a while now but never properly learnt about them. Generally I put an index on any fields that I will be searching or selecting using a WHERE clause but sometimes it doesn't seem so black and white.
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A migration to add unique constraint to a combination of columns
...y want to add a constraint without an index. This will depend on what database you're using. Below is sample migration code for Postgres. (tracking_number, carrier) is a list of the columns you want to use for the constraint.
class AddUniqeConstraintToShipments < ActiveRecord::Migration
def...
How to handle AccessViolationException
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SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'
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How do I send a JSON string in a POST request in Go
...de that is shorter, easy to use with json, and more maintainable in my codebase and production system.
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