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How do you extract a column from a multi-dimensional array?

Does anybody know how to extract a column from a multi-dimensional array in Python? 20 Answers ...
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How to get Spinner value?

In Android, I am trying to get the selected Spinner value with a listener. 7 Answers 7...
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jQuery Data vs Attr?

What is the difference in usage between $.data and $.attr when using data-someAttribute ? 3 Answers ...
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Difference between partition key, composite key and clustering key in Cassandra?

I have been reading articles around the net to understand the differences between the following key types. But it just seems hard for me to grasp. Examples will definitely help make understanding better. ...
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How to use enums as flags in C++?

Treating enum s as flags works nicely in C# via the [Flags] attribute, but what's the best way to do this in C++? 22 Ans...
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Scala underscore - ERROR: missing parameter type for expanded function

I know there have been quite a few questions on this, but I've created a simple example that I thought should work,but still does not and I'm not sure I understand why ...
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Use grep to report back only line numbers

I have a file that possibly contains bad formatting (in this case, the occurrence of the pattern \\backslash ). I would like to use grep to return only the line numbers where this occurs (as in, the match was here, go to line # x and fix it). ...
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Using setImageDrawable dynamically to set image in an ImageView

I am generating a string from database dynamically which has the same name of image in drawable folder. 17 Answers ...
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Why doesn't 'ref' and 'out' support polymorphism?

Take the following: 10 Answers 10 ...
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Do you need to dispose of objects and set them to null?

Do you need to dispose of objects and set them to null, or will the garbage collector clean them up when they go out of scope? ...