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Show data on mouseover of circle

I have a set of data that I am plotting in a scatter. When I mouseover one of the circles I would like it to popup with data (like x, y values, maybe more). Here is what I tried using: ...
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How do I use Maven through a proxy?

I want to share my experience of using maven through a proxy. 17 Answers 17 ...
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How to compare times in Python?

I see that date comparisons can be done and there's also datetime.timedelta() , but I'm struggling to find out how to check if the current time ( datetime.datetime.now() ) is earlier, later or the same than a specified time (e.g. 8am) regardless of the date. ...
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How can I tell gcc not to inline a function?

Say I have this small function in a source file 8 Answers 8 ...
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How do you use NSAttributedString?

Multiple colours in an NSString or NSMutableStrings are not possible. So I've heard a little about the NSAttributedString which was introduced with the iPad SDK 3.2 (or around 3.2) and is available on the iPhone as of iPhone SDK 4.0 beta . ...
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Double exclamation points? [duplicate]

So I was debuging some code and ran across this: 3 Answers 3 ...
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Is there a way for multiple processes to share a listening socket?

In socket programming, you create a listening socket and then for each client that connects, you get a normal stream socket that you can use to handle the client's request. The OS manages the queue of incoming connections behind the scenes. ...
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How do I apply a perspective transform to a UIView?

I'm looking to perform a perspective transform on a UIView (such as seen in coverflow) 3 Answers ...
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Types in MySQL: BigInt(20) vs Int(20)

I was wondering what the difference between BigInt , MediumInt , and Int are... it would seem obvious that they would allow for larger numbers; however, I can make an Int(20) or a BigInt(20) and that would make seem that it is not necessarily about size. ...
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How can I see the size of files and directories in linux? [closed]

How can I see the size of files and directories in Linux? If use df -m , then it shows the size of all the directory at the top level, but, for the directories and files inside the directory, how do I check the size? ...