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Get the first element of each tuple in a list in Python [duplicate]
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Use a list comprehension:
res_list = [x[0] for x in rows]
Below is a demonstration:
>>> rows = [(1, 2), (3, 4), (5, 6)]
>>> [x[0] for x in rows]
[1, 3, 5]
>>>
Alternately, you could use unpacking instead of x[0]:
res_list = [x for...
Getting the last argument passed to a shell script
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answered Dec 6 '09 at 0:16
Laurence GonsalvesLaurence Gonsalves
120k2929 gold badges213213 silver badges259259 bronze badges
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Using an SSH keyfile with Fabric
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edited Mar 16 '11 at 17:04
answered Mar 16 '11 at 15:22
Y...
String length in bytes in JavaScript
...ing, you can do,
function lengthInUtf8Bytes(str) {
// Matches only the 10.. bytes that are non-initial characters in a multi-byte sequence.
var m = encodeURIComponent(str).match(/%[89ABab]/g);
return str.length + (m ? m.length : 0);
}
This should work because of the way UTF-8 encodes multi-...
Cannot generate iOS App archive in xcode
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40 Answers
40
Active
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Least common multiple for 3 or more numbers
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answered Sep 29 '08 at 4:37
A. RexA. Rex
30.3k2121 gold badges8585 silver badges9595 bronze badges
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How do I set the offset for ScrollSpy in Bootstrap?
...rks for me: add an event handler for the navigation clicks.
var offset = 80;
$('.navbar li a').click(function(event) {
event.preventDefault();
$($(this).attr('href'))[0].scrollIntoView();
scrollBy(0, -offset);
});
I found it here: https://github.com/twitter/bootstrap/issues/3316
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Circular list iterator in Python
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answered May 1 '14 at 21:00
Lukas GrafLukas Graf
21k66 gold badges5858 silver badges7575 bronze badges
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How do I get Pyflakes to ignore a statement?
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+50
If you can use flake8 instead - which wraps pyflakes as well as the pep8 checker - a line ending with
# NOQA
(in which the space i...