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What are “named tuples” in Python?
...xcept that they are immutable. They were added in Python 2.6 and Python 3.0, although there is a recipe for implementation in Python 2.4.
For example, it is common to represent a point as a tuple (x, y). This leads to code like the following:
pt1 = (1.0, 5.0)
pt2 = (2.5, 1.5)
from math import s...
What is the result of % in Python?
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310
The % (modulo) operator yields the remainder from the division of the first argument by the s...
How do I interpret precision and scale of a number in a database?
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406
Numeric precision refers to the maximum number of digits that are present in the number.
ie 1...
Appropriate datatype for holding percent values?
What is the best datatype for holding percent values ranging from 0.00% to 100.00%?
5 Answers
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Any shortcut to initialize all array elements to zero?
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A default value of 0 for arrays of integral types is guaranteed by the language spec:
Each class variable, instance variable, or array component is initialized with a default value when it is created (§15.9, §15.10) [...] For type int, th...
Breaking out of a nested loop
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209
Well, goto, but that is ugly, and not always possible. You can also place the loops into a meth...
Pandas every nth row
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207
I'd use iloc, which takes a row/column slice, both based on integer position and following norm...
Why is early return slower than else?
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+100
This is a pure guess, and I haven't figured out an easy way to check whether it is right, but I have a theory for you.
I tried your ...
Alternatives to gprof [closed]
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answered Dec 19 '09 at 5:26
Norman RamseyNorman Ramsey
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Detecting a mobile browser
...opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|...