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How Does Modulus Divison Work

... means: 27 / 16 = 1, remainder 11 => 27 mod 16 = 11 Other examples: 30 / 3 = 10, remainder 0 => 30 mod 3 = 0 35 / 3 = 11, remainder 2 => 35 mod 3 = 2 share | improve this answer ...
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How to return a part of an array in Ruby?

...#=> nil a[1, 2] #=> [ "b", "c" ] a[1..3] #=> [ "b", "c", "d" ] a[4..7] #=> [ "e" ] a[6..10] #=> nil a[-3, 3] #=> [ "c", "d", "e" ] # special cases a[5] ...
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How to use php serialize() and unserialize()

... 173 A PHP array or object or other complex data structure cannot be transported or stored or otherwi...
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Is there a ceiling equivalent of // operator in Python?

I found out about the // operator in Python which in Python 3 does division with floor. 7 Answers ...
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Matplotlib scatter plot with different text at each data point

... could use annotate() while iterating over the values in n. y = [2.56422, 3.77284, 3.52623, 3.51468, 3.02199] z = [0.15, 0.3, 0.45, 0.6, 0.75] n = [58, 651, 393, 203, 123] fig, ax = plt.subplots() ax.scatter(z, y) for i, txt in enumerate(n): ax.annotate(txt, (z[i], y[i])) There are a lot of...
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How exactly does tail recursion work?

... answered Mar 20 '13 at 9:11 Alexey FrunzeAlexey Frunze 56.8k99 gold badges6767 silver badges154154 bronze badges ...
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What is the difference between '/' and '//' when used for division?

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Regular expression for matching HH:MM time format

... 375 Your original regular expression has flaws: it wouldn't match 04:00 for example. This may wor...
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Validating IPv4 addresses with regexp

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Find element's index in pandas Series

... >>> myseries[myseries == 7] 3 7 dtype: int64 >>> myseries[myseries == 7].index[0] 3 Though I admit that there should be a better way to do that, but this at least avoids iterating and looping through the object and moves it to the C level....