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Create a pointer to two-dimensional array

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How to get the first element of an array?

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How do I round to the nearest 0.5?

... 208 Multiply your rating by 2, then round using Math.Round(rating, MidpointRounding.AwayFromZero), ...
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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 16.6k1111 gold badges6464 silver badges105105 bronze badges answered Jul 21 '14 at 17:39 JeffJeff 100k1717 gold badges...
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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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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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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?

... 102 You want an outer join for this (and you need to use person as the "driving" table) SELECT per...
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~x + ~y == ~(x + y) is always false?

... | edited Jun 20 '12 at 13:47 answered Jun 20 '12 at 2:35 ...