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remove None value from a list without removing the 0 value
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This solution is already found in the top answer, or am I missing something?
– Qaswed
May 3 '19 at 7:28
add a comment
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Covariance, Invariance and Contravariance explained in plain English?
Today, I read some articles about Covariance, Contravariance (and Invariance) in Java. I read the English and German Wikipedia article, and some other blog posts and articles from IBM.
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How can I determine if a .NET assembly was built for x86 or x64?
... to restart the shell for it to recognize the unblocked status if you've already failed once in the current session (blame internet explorer for that - yes, really.)
– x0n
Jan 22 '14 at 20:16
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Best way to determine user's locale within browser
...d their browser to prefer.
Unfortunately this header is not available for reading inside JavaScript; all you get is navigator.language, which tells you what localised version of the web browser was installed. This is not necessarily the same thing as the user's preferred language(s). On IE you inst...
java.lang.NoClassDefFoundError: Could not initialize class XXX
...java.lang.ClassNotFoundException). The ClassLoader ran into an error while reading the class definition when trying to read the class.
Put a try/catch inside your static initializer and look at the exception. If you read some files there and it differs from your local environment it's very likely t...
How to affect other elements when one element is hovered
... display definitions in a box on the right side of the browser as my users read through my site and :hover over highlighted terms; therefore, I did not want the 'definition' element to be displayed inside the 'text' element.
I almost gave up and just added javascript to my page, but this is the fut...
How are ssl certificates verified?
...rchased one has been signed by a Certificate Authority that your browser already knows about. In other words, your browser can easily validate the authenticity of a purchased certificate.
Unfortunately this has led to a common misconception that self-signed certificates are inherently less secure t...
Invert “if” statement to reduce nesting
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This is a really nice example! The refactored code reads more like a case statement.
– Otherside
Nov 6 '08 at 10:36
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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
...at sending data to a generator even means, you need to drop everything and read about coroutines first—they're very useful (contrast them with subroutines), but unfortunately lesser-known in Python. Dave Beazley's Curious Course on Coroutines is an excellent start. Read slides 24-33 for a quick pr...
What is the equivalent of MATLAB's repmat in NumPy
...le asking to manipulate the input matrix along the dimensions the matrix already has.
Thus the two commands
repmat(M,m,n) % matlab
np.tile(M,(m,n)) # python
are really equivalent for a matrix of rank 2 (two dimensions).
The matters goes counter-intuitive when you ask for repetition/tiling o...