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Why do I need 'b' to encode a string with Base64?
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base64 encoding takes 8-bit binary byte data and encodes it uses only the characters A-Z, a-z, 0-9, +, /* so it can be transmitted over channels that do not preserve all 8-bits of data, such as email.
Hence, it wants a string of 8-bit bytes. You create those in Python ...
How to merge a list of lists with same type of items to a single list of items?
...tMany(x => x.SelectMany(y => y)).ToList();
– Brandon Kramer
Apr 3 '17 at 14:01
add a comment
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Numpy `logical_or` for more than two arguments
...arrays? (The same question could be asked with regard to Numpy's logical_and and obtaining the intersection of more than two arrays.)
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Change x axes scale in matplotlib
... is it possible to add an offset? (e.g. instead of 0.0, 0.5, 1.0, 1.5, ... and x 10^b it will be 0, 5, 10, 15,... and x 10^{b-1})
– Eagle
Jul 20 '12 at 13:20
24
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Difference between doseq and for in Clojure
What's the difference between doseq and for in Clojure? What are some examples of when you would choose to use one over the other?
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Define a lambda expression that raises an Exception
...ption without defining a named function. All you need is a strong stomach (and 2.x for the given code):
type(lambda:0)(type((lambda:0).func_code)(
1,1,1,67,'|\0\0\202\1\0',(),(),('x',),'','',1,''),{}
)(Exception())
And a python3 strong stomach solution:
type(lambda: 0)(type((lambda: 0).__code_...
How to simulate a click by using x,y coordinates in JavaScript?
...ing it was clicked.
All modern browsers support document.elementFromPoint and HTMLElement.prototype.click(), since at least IE 6, Firefox 5, any version of Chrome and probably any version of Safari you're likely to care about. It will even follow links and submit forms:
document.elementFromPoint(...
bool operator ++ and --
... supports ++ (increment) for bool, but not -- (decrement). It this just a random decision, or there is some reason behind this?
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How to get different colored lines for different plots in a single figure?
...x)
plt.plot(x, 2 * x)
plt.plot(x, 3 * x)
plt.plot(x, 4 * x)
plt.show()
And, as you may already know, you can easily add a legend:
import matplotlib.pyplot as plt
import numpy as np
x = np.arange(10)
plt.plot(x, x)
plt.plot(x, 2 * x)
plt.plot(x, 3 * x)
plt.plot(x, 4 * x)
plt.legend(['y = x', ...
Check if a value is within a range of numbers
... answered Apr 9 '18 at 2:51
AlexanderAlexander
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