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How to draw polygons on an HTML5 canvas?
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can you replace c2 with ctx? I think it's more common use for canvas context. great answer by the way
– gididaf
Jan 21 '18 at 8:00
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Find the most frequent number in a numpy vector
...,2,3,1,2,1,1,1,3,2,2,1])
counts = np.bincount(a)
print(np.argmax(counts))
For a more complicated list (that perhaps contains negative numbers or non-integer values), you can use np.histogram in a similar way. Alternatively, if you just want to work in python without using numpy, collections.Counter...
Reliable way for a Bash script to get the full path to itself [duplicate]
...ld prefer if you used dirname "${BASH_SOURCE[0]}" rather than dirname "$0" for added support for sourced scripts.
– gregtczap
Jul 25 '18 at 10:18
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How to initialise memory with new operator in C++?
...o-one has given this as an answer yet), but it actually has special syntax for value-initializing an array:
new int[10]();
Note that you must use the empty parentheses — you cannot, for example, use (0) or anything else (which is why this is only useful for value initialization).
This is explicit...
In .NET, which loop runs faster, 'for' or 'foreach'?
In C#/VB.NET/.NET, which loop runs faster, for or foreach ?
40 Answers
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Base64 encoding and decoding in client-side Javascript
...k at this Stackoverflow question. It's using btoa() and atob() functions.
For server-side JavaScript (Node), you can use Buffers to decode.
If you are going for a cross-browser solution, there are existing libraries like CryptoJS or code like:
http://ntt.cc/2008/01/19/base64-encoder-decoder-with-...
CALayer with transparent hole in it
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For added flexibility, make your view subclass "IBDesignable". It's really easy! To get started, plug the above code into the answer I gave to this question: stackoverflow.com/questions/14141081/…
– cl...
How to set 'auto' for upper limit, but keep a fixed lower limit with matplotlib.pyplot
...You can pass just left or right to set_xlim:
plt.gca().set_xlim(left=0)
For the y axis, use bottom or top:
plt.gca().set_ylim(bottom=0)
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Easy way to list node modules I have npm linked?
I am looking for a command that will list the names of global modules that I have npm link 'd to local copies, also listing the local path.
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Defining a percentage width for a LinearLayout? [duplicate]
I want to define a percentage width (70%) for a LinearLayout that contains some buttons, so that I can center it and so that the child buttons can fill_parent. Here's a picture showing what I mean:
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