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Create an array with same element repeated multiple times
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Array.from({length:5}).map(x => 2)
– noobninja
Jan 5 '19 at 18:07
1
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How to save an image locally using Python whose URL address I already know?
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A good way to get filename from link is filename = link.split('/')[-1]
– heltonbiker
Jul 5 '12 at 19:20
2
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Reference: What is variable scope, which variables are accessible from where and what are “undefined
What is "variable scope" in PHP? Are variables from one .php file accessible in another? Why do I sometimes get "undefined variable" errors?
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Exception handling in R [closed]
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This result from a related google search helped me: http://biocodenv.com/wordpress/?p=15.
for(i in 1:16){
result <- try(nonlinear_modeling(i));
if(class(result) == "try-error") next;
}
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Finish an activity from another activity
I want to finish one activity from another activity, like:
10 Answers
10
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pypi UserWarning: Unknown distribution option: 'install_requires'
... the easy_install command or pip install.
Another way is to import setup from setuptools in your setup.py, but this not standard and makes everybody wanting to use your package have to have setuptools installed.
share
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Finding quaternion representing the rotation from one vector to another
... u and v. Is there a way of finding a quaternion representing the rotation from u to v?
7 Answers
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How can I extract audio from video with ffmpeg?
I tried the following command to extract audio from video:
12 Answers
12
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What happens when a computer program runs?
...any location in actual memory. It is done this way to protect one process from accessing another process's memory, and to make each process think it's running on a complete system.
Note that the positions of, e.g., the stack and heap may be in a different order on some systems (see Billy O'Neal's ...
What are free monads?
...if X is a Y with some extra stuff P, then a "free X" is a a way of getting from a Y to an X without gaining anything extra.
Examples: a monoid (X) is a set (Y) with extra structure (P) that basically says it has an operation (you can think of addition) and some identity (like zero).
So
class Mono...