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Is there any difference between “foo is None” and “foo == None”?
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12 Answers
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Why can't I overload constructors in PHP?
...s a lot cleaner.
– Sam Giles
Mar 4 '12 at 15:01
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doesn't this break Single Responsibility Princi...
Batch files - number of command line arguments
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– Ferdinand Beyer
Aug 23 '13 at 12:35
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Delete directory with files in it?
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Your second implementation is somewhat dangerous: it doesn't check for dots (. and ..) and it deletes the resolved path, not the actual one...
Get last result in interactive Python shell
...illi 郝海东冠状病六四事件法轮功
Jul 8 '16 at 12:56
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Simple and fast method to compare images for similarity
...e performance of img_hash is good too
Speed comparison with PHash library(100 images from ukbench)
If you want to know the recommend thresholds for these algorithms, please check this post(http://qtandopencv.blogspot.my/2016/06/introduction-to-image-hash-module-of.html).
If you are interesting a...
How to cat a file containing code?
... docs reference, as I did in mine (which having only 13k visits got almost 100 rep, so it seems to be quite helpful).
– fedorqui 'SO stop harming'
Jun 6 '18 at 9:57
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How to read a single character from the user?
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EddieOffermann
12511 silver badge77 bronze badges
answered Feb 4 '09 at 7:11
tehvantehvan
9,0...
Set operations (union, intersection) on Swift array?
...you have N possible numbers and need to make sets of them. For example, N=100,000 and want to make sets like {1,2,3}, {5, 88, 19000} etc.
The idea is to keep the list of N prime numbers in memory and for a given set {a, b, c, ...} you encode it as
prime[a]*prime[b]*prime[c]*...
So you encode a...
How to convert JSON data into a Python object
...ace
data = '{"name": "John Smith", "hometown": {"name": "New York", "id": 123}}'
# Parse JSON into an object with attributes corresponding to dict keys.
x = json.loads(data, object_hook=lambda d: SimpleNamespace(**d))
print(x.name, x.hometown.name, x.hometown.id)
OLD ANSWER (Python2)
In Python2, ...