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Lambda function in list comprehensions
... calls it ten times.
The second one doesn't call the function. It creates 10 different lambda functions. It puts all of those in a list. To make it equivalent to the first you need:
[(lambda x: x*x)(x) for x in range(10)]
Or better yet:
[x*x for x in range(10)]
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Add 2 hours to current time in MySQL?
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edited Aug 20 '13 at 7:23
answered Feb 26 '09 at 8:41
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WPF Databinding: How do I access the “parent” data context?
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answered Jul 14 '09 at 20:51
flqflq
20.4k44 gold badges4848 silver badges7171 bronze badges
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Razor ViewEngine: How do I escape the “@” symbol?
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edited Aug 15 '17 at 2:05
BSMP
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answered Mar 1...
What's the difference between .so, .la and .a library files?
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320
.so files are dynamic libraries. The suffix stands for "shared object", because all the applicat...
Image loaded event in for ng-src in AngularJS
...lure callback?
– Oleg Belousov
Apr 20 '14 at 1:16
3
What about progressive image?
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Ruby send vs __send__
..._, not send.
– Andrew Marshall
Aug 10 '14 at 23:50
Good answer. Might be even better if it mentioned public_send, whic...
Constructor initialization-list evaluation order
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It depends on the order of member variable declaration in the class. So a_ will be the first one...
How do I package a python application to make it pip-installable?
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badgley
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answered Mar 19 '11 at 20:54
ariearie
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Are tar.gz and tgz the same thing?
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203
I think in the old package repo days, .tgz was used because files on Dos floppies could only ha...