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Formatting “yesterday's” date in python
...ort date, timedelta
>>> yesterday = date.today() - timedelta(days=1)
>>> yesterday.strftime('%m%d%y')
'110909'
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No module named setuptools
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edited Nov 9 '18 at 17:29
Zaheer Ahmed
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Cosine Similarity between 2 Number Lists
...te the cosine similarity between two lists , let's say for example list 1 which is dataSetI and list 2 which is dataSetII . I cannot use anything such as numpy or a statistics module. I must use common modules (math, etc) (and the least modules as possible, at that, to reduce time spent).
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Calling shell functions with xargs
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175
Exporting the function should do it (untested):
export -f echo_var
seq -f "n%04g" 1 100 | xar...
Is there XNOR (Logical biconditional) operator in C#?
... also that this doesn't generalize to bitwise operations, where you want 0x1234 XNOR 0x5678 == 0xFFFFBBB3 (assuming 32 bits). For that, you need to build up from other operations, like ~(A^B). (Note: ~, not !.)
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What are “named tuples” in Python?
Reading the changes in Python 3.1 , I found something... unexpected:
11 Answers
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What's the UIScrollView contentInset property for?
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241
It sets the distance of the inset between the content view and the enclosing scroll view.
Obj-C...
SQL keys, MUL vs PRI vs UNI
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It means that the field is (part of) a non-unique index. You can issue
show create table <...
How do I convert an integer to binary in JavaScript?
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How to make child process die after parent exits?
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189
Child can ask kernel to deliver SIGHUP (or other signal) when parent dies by specifying option...