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Using try vs if in python
... faster if exceptions really are exceptional. If result is None more than 50 % of the time, then using if is probably better.
To support this with a few measurements:
>>> import timeit
>>> timeit.timeit(setup="a=1;b=1", stmt="a/b") # no error checking
0.06379691968322732
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Place a button right aligned
... TylerH
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answered Jul 9 '11 at 2:44
mu is too shortmu is too short
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Java: Difference between the setPreferredSize() and setSize() methods in components
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edited Jul 18 at 18:30
Dave Jarvis
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an...
What is mattr_accessor in a Rails module?
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answered Oct 9 '08 at 1:49
AvdiAvdi
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why does DateTime.ToString(“dd/MM/yyyy”) give me dd-MM-yyyy?
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edited Jan 30 '14 at 7:03
shashwat
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How to change to an older version of Node.js
I am running Node.js version v0.5.9-pre on Ubuntu 10.10.
15 Answers
15
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Is there any way to view the currently mapped keys in Vim?
...m, use :index
– Von
Mar 5 '14 at 13:05
31
@Von, you perhaps mean :help index.
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CocoaPods and GitHub forks
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I will answer this question using an example. I have a fork of TTTAttributedLabel with some extr...
How to undo the effect of “set -e” which makes bash exit immediately if any command fails?
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answered Aug 18 '10 at 22:17
zwolzwol
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How does Spring autowire by name when more than one matching bean is found?
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This is documented in section 3.9.3 of the Spring 3.0 manual:
For a fallback match, the bean name is considered a default qualifier value.
In other words, the default behaviour is as though you'd added @Qualifier("country") to the setter method.
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