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Possible to make labels appear when hovering over a point in matplotlib?

... 138 It seems none of the other answers here actually answer the question. So here is a code that us...
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Why does X[Y] join of data.tables not allow a full outer join, or a left join?

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Hour from DateTime? in 24 hours format

...hour but show it in 24 hours format. For example: If the hour is 2:20:23 p.m. i want to convert it to 14:20 and that's it. ...
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Random color generator

... place of "#0000FF": function getRandomColor() { var letters = '0123456789ABCDEF'; var color = '#'; for (var i = 0; i < 6; i++) { color += letters[Math.floor(Math.random() * 16)]; } return color; } function setRandomColor() { $("#colorpad").css("background-colo...
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Why does the C++ map type argument require an empty constructor when using []?

... | edited Jul 8 '16 at 0:30 answered Mar 30 '09 at 0:01 ba...
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In R, how to get an object's name after it is sent to a function?

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How to map and remove nil values in Ruby

...t to become the norm very soon. For example: numbers = [1, 2, 5, 8, 10, 13] enum.filter_map { |i| i * 2 if i.even? } # => [4, 16, 20] In your case, as the block evaluates to falsey, simply: items.filter_map { |x| process_x url } "Ruby 2.7 adds Enumerable#filter_map" is a good read on the s...
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How to “re-run with -deprecation for details” in sbt?

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Save file to specific folder with curl command

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In Python, how do I iterate over a dictionary in sorted key order?

... 173 Haven't tested this very extensively, but works in Python 2.5.2. >>> d = {"x":2, "h":1...