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Top Questions
50
votes
Host telling me to cancel my booking in exchange for a discount?
hotels
booking.com
payment
pre-pay
asked Jul 20, 2019 at 22:57
travel.stackexchange.com
39
votes
When to use pytest fixtures?
python
python-3.x
pytest
fixtures
pytest-fixtures
asked Jun 14, 2020 at 17:55
stackoverflow.com
26
votes
1 and 2 norm inequality
analysis
numerical-methods
vectors
norm
asked May 23, 2017 at 18:40
math.stackexchange.com
11
votes
Only finitely many $n$ such that $\phi(n) = m$
elementary-number-theory
prime-numbers
prime-factorization
totient-function
asked May 21, 2018 at 9:41
math.stackexchange.com
9
votes
Efficiently finding consecutive streaks in a pandas DataFrame column?
python
pandas
numpy
dataframe
asked Aug 31, 2020 at 13:58
stackoverflow.com
7
votes
No such file or directory but file exists?
python
file
directory
asked Apr 8, 2020 at 9:39
stackoverflow.com
5
votes
How are eigenvalues/singular values related to variance (SVD/PCA)?
correlation
pca
svd
asked Jul 28, 2020 at 17:53
stats.stackexchange.com
5
votes
How orbits of $G$-sets and these characters are related
abstract-algebra
group-theory
representation-theory
group-actions
group-rings
asked Jan 8, 2019 at 19:16
math.stackexchange.com
5
votes
Characteristic and primitive roots of unity
abstract-algebra
galois-theory
finite-fields
asked Jan 18, 2019 at 8:49
math.stackexchange.com
5
votes
What does it mean for a group action to be linear?
finite-groups
representation-theory
definition
group-actions
asked Mar 24, 2019 at 13:51
math.stackexchange.com
1
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