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What's the difference between lists enclosed by square brackets and parentheses in Python?
...A list is mutable, meaning you can change its contents:
>>> x = [1,2]
>>> x.append(3)
>>> x
[1, 2, 3]
while tuples are not:
>>> x = (1,2)
>>> x
(1, 2)
>>> x.append(3)
Traceback (most recent call last):
File "<stdin>", line 1, in <m...
List of lists changes reflected across sublists unexpectedly
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14 Answers
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pandas read_csv and filter columns with usecols
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114
The answer by @chip completely misses the point of two keyword arguments.
names is only nece...
How to get device make and model on iOS?
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19 Answers
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How do I interpret precision and scale of a number in a database?
...efers to the maximum number of digits that are present in the number.
ie 1234567.89 has a precision of 9
Numeric scale refers to the maximum number of decimal places
ie 123456.789 has a scale of 3
Thus the maximum allowed value for decimal(5,2) is 999.99
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Rename specific column(s) in pandas
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edited May 23 '17 at 12:34
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answered Nov 3 '13 at 21:32
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Performance of foreach, array_map with lambda and array_map with static function
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122
FWIW, I just did the benchmark since poster didn't do it. Running on PHP 5.3.10 + XDebug.
UP...
Can you break from a Groovy “each” closure?
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194
Nope, you can't abort an "each" without throwing an exception. You likely want a classic loop...