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Why does += behave unexpectedly on lists?
...gt;> a1 = a2 = [1, 2]
>>> b1 = b2 = [1, 2]
>>> a1 += [3] # Uses __iadd__, modifies a1 in-place
>>> b1 = b1 + [3] # Uses __add__, creates new list, assigns it to b1
>>> a2
[1, 2, 3] # a1 and a2 are still the same list
>>> b2
[...
Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
... community wiki
6 revs, 3 users 86%Lambdageek
10
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Why is this inline-block element pushed downward?
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362
Basically you have added more clutter in your code which is creating more confusion so first I...
What is the difference between user variables and system variables?
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132
Right-click My Computer and go to Properties->Advanced->Environmental Variables...
What'...
How to add global ASP.Net Web Api Filters?
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edited Jun 21 '12 at 13:30
Shane Courtrille
13.2k1818 gold badges6969 silver badges109109 bronze badges
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Erlang's 99.9999999% (nine nines) reliability
...eliability figure wasn't supposed to measure the total time any part of AXD301 (project in question) was ever shut down for over 20 years. It represents the total time over those 20 years that the service provided by the AXD301 system was ever offline. Subtle difference. As Joe Armstrong says here:
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Calculate difference between two dates (number of days)?
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edited Sep 30 '14 at 13:39
Rohit
133 bronze badges
answered Oct 22 '09 at 13:48
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Checking if a variable is an integer
Does Rails 3 or Ruby have a built-in way to check if a variable is an integer?
11 Answers
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Android emulator failed to allocate memory 8
...kin. I got it working by editing the virtual device setup to:
Target 4.0.3 API 15 / 4.1.0 API 16
SD-card 300MiB
Resolution 1280 x 800 (set manually -not the built-in ones)
Device ram size 1024MB (with MB added to the number)
Abstracted LCD 160
Here my tablet config for 4.1.0 API 16
C:\Users\<...
Unable to install gem - Failed to build gem native extension - cannot load such file — mkmf (LoadErr
Ruby 1.9.3
12 Answers
12
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