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python max function using 'key' and lambda expression
...to compare those items by their integer value.
>>> lis = ['1', '100', '111', '2']
Here max compares the items using their original values (strings are compared lexicographically so you'd get '2' as output) :
>>> max(lis)
'2'
To compare the items by their integer value use key...
event.preventDefault() function not working in IE
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answered Jun 16 '09 at 10:10
AlsciendeAlsciende
24.1k88 gold badges4646 silver badges6666 bronze badges
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Difference between classification and clustering in data mining? [closed]
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edited Feb 21 '11 at 10:52
answered Feb 21 '11 at 10:44
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Can I disable a CSS :hover effect via JavaScript?
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+150
There isn’t a pure JavaScript generic solution, I’m afraid. JavaScript isn’t able to turn off the CSS :hover state itself.
You ...
How to clear variables in ipython?
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208
%reset seems to clear defined variables.
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What's the u prefix in a Python string?
...re right, see 3.1.3. Unicode Strings.
It's been the syntax since Python 2.0.
Python 3 made them redundant, as the default string type is Unicode. Versions 3.0 through 3.2 removed them, but they were re-added in 3.3+ for compatibility with Python 2 to aide the 2 to 3 transition.
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How do I parse an ISO 8601-formatted date?
I need to parse RFC 3339 strings like "2008-09-03T20:56:35.450686Z" into Python's datetime type.
27 Answers
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Why does C# allow {} code blocks without a preceding statement?
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90
In the context you give, there is no significance. Writing a constant string to the console is g...
How should I escape strings in JSON?
...aracters you must escape are \, ", and control codes (anything less than U+0020).
This structure of escaping is specific to JSON. You'll need a JSON specific function. All of the escapes can be written as \uXXXX where XXXX is the UTF-16 code unit¹ for that character. There are a few shortcuts, suc...
How can I present a file for download from an MVC controller?
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answered Apr 8 '09 at 16:24
tvanfossontvanfosson
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