大约有 47,000 项符合查询结果（耗时：0.0652秒） [XML]
Drawing a dot on HTML5 canvas [duplicate]
Drawing a line on the HTML5 canvas is quite straightforward using the context.moveTo() and context.lineTo() functions.
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Append value to empty vector in R?
I'm trying to learn R and I can't figure out how to append to a list.
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Python Infinity - Any caveats?
So Python has positive and negative infinity:
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CSS triangle custom border color
Attempting to use a custom hex color for my css triangle (border). However since it uses border properties I am unsure how to go about doing this. I would like to steer clear of javascript and css3 simply because of compatibility. I am trying to have the triangle have a white background with a 1px b...
Bin size in Matplotlib (Histogram)
I'm using matplotlib to make a histogram.
8 Answers
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What is the difference between CMD and ENTRYPOINT in a Dockerfile?
In Dockerfiles there are two commands that look similar to me: CMD and ENTRYPOINT . But I guess that there is a (subtle?) difference between them - otherwise it would not make any sense to have two commands for the very same thing.
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Getting key with maximum value in dictionary?
I have a dictionary : keys are strings, values are integers.
25 Answers
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Principal component analysis in Python
I'd like to use principal component analysis (PCA) for dimensionality reduction. Does numpy or scipy already have it, or do I have to roll my own using numpy.linalg.eigh ?
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Common xlabel/ylabel for matplotlib subplots
I have the following plot:
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0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
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7 Answers
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