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Pandas convert dataframe to array of tuples
...a_2']]
tuples = [tuple(x) for x in subset.to_numpy()]
for pandas < 0.24 use
tuples = [tuple(x) for x in subset.values]
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When should TaskCompletionSource be used?
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234
I mostly use it when only an event based API is available (for example Windows Phone 8 sockets):...
What is the relationship between Looper, Handler and MessageQueue in Android?
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Ted HoppTed Hopp
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Is there a simple way to delete a list element by value?
...element. Use a list comprehension for that.
>>> a = [10, 20, 30, 40, 20, 30, 40, 20, 70, 20]
>>> a = [x for x in a if x != 20]
>>> print(a)
[10, 30, 40, 30, 40, 70]
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Converting string to Date and DateTime
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493
Use strtotime() on your first date then date('Y-m-d') to convert it back:
$time = strtotime('...
Difference between “\n” and Environment.NewLine
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answered Jun 18 '09 at 23:46
anthonyanthony
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Which HTML5 tag should I use to mark up an author’s name?
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Both rel="author" and <address> are designed for this exact purpose. Both are supported in...
How to extract request http headers from a request using NodeJS connect
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Finding all possible combinations of numbers to reach a given sum
...target, partial + [n])
if __name__ == "__main__":
subset_sum([3,9,8,4,5,7,10],15)
#Outputs:
#sum([3, 8, 4])=15
#sum([3, 5, 7])=15
#sum([8, 7])=15
#sum([5, 10])=15
This type of algorithms are very well explained in the following Standford's Abstract Programming lecture -...
Convert to binary and keep leading zeros in Python
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Use the format() function:
>>> format(14, '#010b')
'0b00001110'
The format() function simply formats the input following the Format Specification mini language. The # makes the format include the 0b prefix, and the 010 size formats the output to fit in 10 charac...