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In C#, what happens when you call an extension method on a null object?
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answered May 11 '09 at 8:37
Marc Gravell♦Marc Gravell
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Fastest way to tell if two files have the same contents in Unix/Linux?
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Alex HowanskyAlex Howansky
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Circular list iterator in Python
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163
Use itertools.cycle, that's its exact purpose:
from itertools import cycle
lst = ['a', 'b', 'c...
What is the minimum I have to do to create an RPM file?
...rog-1.0/etc/toybinprog/
tar -zcvf toybinprog-1.0.tar.gz toybinprog-1.0/
3. Copy to the sources dir
cp toybinprog-1.0.tar.gz SOURCES/
cat <<EOF > SPECS/toybinprog.spec
# Don't try fancy stuff like debuginfo, which is useless on binary-only
# packages. Don't strip binary too
# Be sure bu...
var.replace is not a function
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223
My guess is that the code that's calling your trim function is not actually passing a string to ...
How to convert a string or integer to binary in Ruby?
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375
You have Integer#to_s(base) and String#to_i(base) available to you.
Integer#to_s(base) conver...
AngularJS : ng-model binding not updating when changed with jQuery
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135
Angular doesn't know about that change. For this you should call $scope.$digest() or make the c...
Purge Kafka Topic
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375
Temporarily update the retention time on the topic to one second:
kafka-topics.sh --zookeeper...
jquery save json data object in cookie
...stophe Roussy
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answered Nov 19 '10 at 12:41
Nick Craver♦Nick Craver
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Getting indices of True values in a boolean list
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>>> %timeit [i for i, x in enumerate(t) if x]
100 loops, best of 3: 2.55 ms per loop
>>> %timeit list(compress(xrange(len(t)), t))
1000 loops, best of 3: 696 µs per loop
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