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Sending a message to nil in Objective-C
As a Java developer who is reading Apple's Objective-C 2.0 documentation: I wonder what " sending a message to nil " means - let alone how it is actually useful. Taking an excerpt from the documentation:
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Does pandas iterrows have performance issues?
...ateen Ulhaq
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answered Jul 21 '14 at 17:39
JeffJeff
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Is a Python list guaranteed to have its elements stay in the order they are inserted in?
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answered Dec 4 '12 at 0:11
sgesge
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How to get the first element of an array?
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like this
alert(ary[0])
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How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?
My current version of ruby is ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-darwin10.5.0] but I want to update it to the latest patch level using rvm. How can I do this?
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How do I round to the nearest 0.5?
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Multiply your rating by 2, then round using Math.Round(rating, MidpointRounding.AwayFromZero), ...
Redis - Connect to Remote Server
...the Quick Start guide on http://redis.io/topics/quickstart on my Ubuntu 10.10 server. I'm running the service as dameon (so it can be run by init.d)
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How to include “zero” / “0” results in COUNT aggregate?
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You want an outer join for this (and you need to use person as the "driving" table)
SELECT per...
How to connect to Mysql Server inside VirtualBox Vagrant?
... can I connect to that server outside the vm? I already forward the port 3306 of the Vagrantfile , but when I try to connect to the mysql server, it`s resposts with the error:
'reading initial communication packet'
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~x + ~y == ~(x + y) is always false?
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edited Jun 20 '12 at 13:47
answered Jun 20 '12 at 2:35
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