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Use of .apply() with 'new' operator. Is this possible?
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36 Answers
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How do you use bcrypt for hashing passwords in PHP?
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1073
bcrypt is a hashing algorithm which is scalable with hardware (via a configurable number of roun...
How to unzip a list of tuples into individual lists? [duplicate]
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Use zip(*list):
>>> l = [(1,2), (3,4), (8,9)]
>>> list(zip(*l))
[(1, 3, 8), (2, 4, 9)]
The zip() function pairs up the elements from all inputs, starting with the first values, then the second, etc. By using *l you apply all tuples in l as separat...
Convert a matrix to a 1 dimensional array
I have a matrix (32X48).
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Java JUnit: The method X is ambiguous for type Y
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3 Answers
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Named regular expression group “(?Pregexp)”: what does “P” stand for?
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How do I build a numpy array from a generator?
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Numpy arrays require their length to be set explicitly at creation time, unlike python lists. T...
How do I install an R package from source?
...file name:
On Windows it will look something like this: "C:\\RJSONIO_0.2-3.tar.gz".
On UNIX it will look like this: "/home/blah/RJSONIO_0.2-3.tar.gz".
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Pure CSS to make font-size responsive based on dynamic amount of characters
...can still provide fallbacks for older browsers like so:
p {
font-size: 30px;
font-size: 3.5vw;
}
http://css-tricks.com/viewport-sized-typography/
and
https://medium.com/design-ux/66bddb327bb1
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Paperclip::Errors::MissingRequiredValidatorError with Rails 4
...nt_file_name :image, :matches => [/png\Z/, /jpe?g\Z/, /gif\Z/]
Option 3: Do not validate
If for some crazy reason (can be valid but I cannot think of one right now), you do not wish to add any content_type validation and allow people to spoof Content-Types and receive data you weren't expectin...