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Why is pow(a, d, n) so much faster than a**d % n?
...s of computing a**d % n without having to compute a**d itself, and that is what pow does. The ** operator can't do this because it can't "see into the future" to know that you are going to immediately take the modulus.
shar...
Delete directory with files in it?
I wonder, what's the easiest way to delete a directory with all its files in it?
33 Answers
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Manually raising (throwing) an exception in Python
...[0], sys.exc_info()[1], sys.exc_info()[2]
If you want to, you can modify what happens with your new raise - e.g. setting new args for the instance:
def error():
raise ValueError('oops!')
def catch_error_modify_message():
try:
error()
except ValueError:
error_type, err...
List comprehension in Ruby
...ms to be some confusion amongst Ruby programmers in this thread concerning what list comprehension is. Every single response assumes some preexisting array to transform. But list comprehension's power lies in an array created on the fly with the following syntax:
squares = [x**2 for x in range(10...
Nearest neighbors in high-dimensional data?
...ip among the features
that comprise your data (are they
independent--i.e., what does the
covariance matrix look like); and
the coordinate space from which your
data was obtained.
If you have no prior knowledge of the distribution(s) from which your data was sampled, at least one (well documented a...
Local dependency in package.json
...
Could you explain a bit more what this does. i.e. if I setup a vscode project with multiple root folders (i.e. "multi-root workspace") , will it be able to reflect changes in the module folder immediately for the consuming projects ? - Is that what this ...
How do I pass JavaScript variables to PHP?
...de... PHP code runs at the server side, and it doesn't know anything about what is going on on the client side.
You need to pass variables to PHP code from the HTML form using another mechanism, such as submitting the form using the GET or POST methods.
<DOCTYPE html>
<html>
<head...
Convert XLS to CSV on command line
...ths must either be absolute, or in the user "data" directory (I'm not sure what is the exact name in english). I still haven't figured out how to solve that, I'm not doing much vbscript! :)
– plang
May 31 '12 at 14:09
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Get HTML Source of WebElement in Selenium WebDriver using Python
...
This is essentially what I ended up doing, albeit with the Python equivalent.
– Chris W.
Sep 7 '11 at 21:15
8
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Using the Underscore module with Node.js
... overwrites the _ object with the result of my function call. Anyone know what's going on? For example, here is a session from the node.js REPL:
...