User gerrit - Stack Overflow

118 votes

5 answers

26k views

Python's many ways of string formatting — are the older ones (going to be) deprecated?

asked Nov 19, 2012 at 10:33

91 votes

1 answer

25k views

What is the meaning of a forward slash "/" in a Python method signature, as shown by help(foo)? [duplicate]

asked Jan 30, 2015 at 20:10

73 votes

3 answers

9k views

List comprehension scope error from Python debugger

asked Jun 10, 2014 at 19:15

33 votes

4 answers

19k views

Why disable the garbage collector?

asked Dec 10, 2013 at 13:32

33 votes

2 answers

5k views

What is a DynamicClassAttribute and how do I use it?

asked Mar 16, 2016 at 16:05

32 votes

4 answers

19k views

Why is caplog.text empty, even though the function I'm testing is logging?

asked Jan 23, 2020 at 10:10

27 votes

2 answers

5k views

How do I use importlib.LazyLoader?

asked Mar 9, 2017 at 19:31

25 votes

1 answer

14k views

Why are parenthesis optional when defining a class, but mandatory when defining a function?

asked Apr 8, 2014 at 22:14

24 votes

1 answer

3k views

When are python sunder names used?

asked Aug 24, 2018 at 14:08

20 votes

2 answers

10k views

Numpy octuple precision floats and 128 bit ints. Why and how?

asked Feb 24, 2016 at 19:37

20 votes

5 answers

7k views

Why does date + timedelta become date, not datetime?

asked May 11, 2016 at 14:38

19 votes

2 answers

1k views

Unicode subscripts and superscripts in identifiers, why does Python consider XU == Xᵘ == Xᵤ?

asked Jan 23, 2018 at 15:08

19 votes

1 answer

858 views

Why does creating this memoryview raise a ValueError only when assigning to a variable?

asked Feb 24, 2015 at 23:27

16 votes

1 answer

306 views

What does the empty `()` do on a Matlab matrix?

asked Dec 3, 2012 at 8:43

15 votes

1 answer

3k views

Memory-efficient way to truncate large array in Matlab

asked Oct 28, 2013 at 11:11

14 votes

3 answers

3k views

In numpy, what does indexing an array with the empty tuple vs. ellipsis do?

asked Feb 4, 2013 at 14:51

14 votes

2 answers

974 views

How do I check if current code is part of a try-except-block?

asked Apr 17, 2019 at 13:57

13 votes

1 answer

2k views

Filtering based on custom warning categories

asked Feb 27, 2017 at 20:58

13 votes

2 answers

1k views

Use case for low-level os.open, os.fdopen, and friends?

asked Jan 11, 2013 at 14:39

12 votes

1 answer

16k views

How do I use `setrlimit` to limit memory usage? RLIMIT_AS kills too soon; RLIMIT_DATA, RLIMIT_RSS, RLIMIT_STACK kill not at all

asked Sep 28, 2016 at 19:18

11 votes

2 answers

612 views

When can I pass a literal : to a function?

asked Mar 28, 2013 at 15:21

11 votes

2 answers

2k views

Subclassing file by subclassing `io.TextIOWrapper` — but what signature does its constructor have?

asked Oct 15, 2015 at 18:19

10 votes

1 answer

2k views

Save breakpoints to file

asked Mar 3, 2015 at 20:44

9 votes

1 answer

2k views

Numpy fast check for complete array equality, like Matlabs isequal

asked Oct 8, 2014 at 15:34

9 votes

1 answer

642 views

Why is `'↊'.isnumeric()` false?

asked Oct 20, 2016 at 13:58

8 votes

1 answer

2k views

xarray with masked arrays while preserving integer dtypes

asked Jan 6, 2017 at 12:25

8 votes

1 answer

936 views

Make 'interact' use IPython console, rather than standard Python one?

asked Aug 19, 2014 at 23:08

8 votes

1 answer

2k views

Why is .sum() faster than .any() or .max()?

asked Mar 13, 2014 at 22:18

8 votes

1 answer

1k views

Why does .mro() on a metaclass have a different signature? `descriptor 'mro' of 'type' object needs an argument`

asked Dec 18, 2015 at 15:20

7 votes

3 answers

2k views

When can I pass a function handle?

asked Oct 16, 2013 at 14:46

Collectives™ on Stack Overflow

163 Questions

Python's many ways of string formatting — are the older ones (going to be) deprecated?

What is the meaning of a forward slash "/" in a Python method signature, as shown by help(foo)? [duplicate]

List comprehension scope error from Python debugger

Why disable the garbage collector?

What is a DynamicClassAttribute and how do I use it?

Why is caplog.text empty, even though the function I'm testing is logging?

How do I use importlib.LazyLoader?

Why are parenthesis optional when defining a class, but mandatory when defining a function?

When are python sunder names used?

Numpy octuple precision floats and 128 bit ints. Why and how?

Why does date + timedelta become date, not datetime?

Unicode subscripts and superscripts in identifiers, why does Python consider XU == Xᵘ == Xᵤ?

Why does creating this memoryview raise a ValueError only when assigning to a variable?

What does the empty `()` do on a Matlab matrix?

Memory-efficient way to truncate large array in Matlab

In numpy, what does indexing an array with the empty tuple vs. ellipsis do?

How do I check if current code is part of a try-except-block?

Filtering based on custom warning categories

Use case for low-level os.open, os.fdopen, and friends?

How do I use `setrlimit` to limit memory usage? RLIMIT_AS kills too soon; RLIMIT_DATA, RLIMIT_RSS, RLIMIT_STACK kill not at all

When can I pass a literal : to a function?

Subclassing file by subclassing `io.TextIOWrapper` — but what signature does its constructor have?

Save breakpoints to file

Numpy fast check for complete array equality, like Matlabs isequal

Why is `'↊'.isnumeric()` false?

xarray with masked arrays while preserving integer dtypes

Make 'interact' use IPython console, rather than standard Python one?

Why is .sum() faster than .any() or .max()?

Why does .mro() on a metaclass have a different signature? `descriptor 'mro' of 'type' object needs an argument`

When can I pass a function handle?