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Regular expression for matching HH:MM time format
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375
Your original regular expression has flaws: it wouldn't match 04:00 for example.
This may wor...
What is the difference between '/' and '//' when used for division?
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13 Answers
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Validating IPv4 addresses with regexp
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36 Answers
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Find element's index in pandas Series
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>>> myseries[myseries == 7]
3 7
dtype: int64
>>> myseries[myseries == 7].index[0]
3
Though I admit that there should be a better way to do that, but this at least avoids iterating and looping through the object and moves it to the C level....
How to sort two lists (which reference each other) in the exact same way
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Extract first item of each sublist
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Using list comprehension:
>>> lst = [['a','b','c'], [1,2,3], ['x','y','z']]
>>> lst2 = [item[0] for item in lst]
>>> lst2
['a', 1, 'x']
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LISTAGG in Oracle to return distinct values
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edited Apr 13 '19 at 23:57
Jon Heller
30.3k33 gold badges6262 silver badges110110 bronze badges
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Remove all the elements that occur in one list from another
...e following statement does exactly what you want and stores the result in l3:
l3 = [x for x in l1 if x not in l2]
l3 will contain [1, 6].
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All but last element of Ruby array
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130
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a = t # => [1, 2, 3, 4]
a.first a.size - 1 # => [1, 2, 3]
or...
Spring 3.0 - Unable to locate Spring NamespaceHandler for XML schema namespace [http://www.springfra
...factId>spring-security-config</artifactId>
<version>3.0.1.RELEASE</version>
</dependency>
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