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Show data on mouseover of circle

...ement to each circle, as the browser will take care of showing the tooltip and you don't need the mousehandler. The code would be something like vis.selectAll("circle") .data(datafiltered).enter().append("svg:circle") ... .append("svg:title") .text(function(d) { return d.x; }); If you...
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What's the $unwind operator in MongoDB?

...om your mind. The way that it stores your data is in the form of documents and collections, which allows for a dynamic means of adding and obtaining the data from your storage locations. That being said, in order to understand the concept behind the $unwind parameter, you first must understand what...
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Failed binder transaction when putting an bitmap dynamically in a widget

...sed because all the changes to the RemoteViews are serialised (e.g. setInt and setImageViewBitmap ). The bitmaps are also serialised into an internal bundle. Unfortunately this bundle has a very small size limit. You can solve it by scaling down the image size this way: public static Bitmap scale...
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Fade Effect on Link Hover?

...it's a lot easier than messing with JS, browser support is reasonably good and it's merely cosmetic so it doesn't matter if it doesn't work. Something like this gets the job done: a { color:blue; /* First we need to help some browsers along for this to work. Just because a vendor prefix i...
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Code coverage with Mocha

... You need an additional library for code coverage, and you are going to be blown away by how powerful and easy istanbul is. Try the following, after you get your mocha tests to pass: npm install nyc Now, simply place the command nyc in front of your existing test command, ...
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How can I change a file's encoding with vim?

...xt So you should be able to change the encoding as part of the write command. share | improve this answer | follow | ...
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Detect if stdin is a terminal or pipe?

... On POSIX there is no io.h and for isatty() you need to include unistd.h. – maxschlepzig Sep 29 '11 at 13:22 ...
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What is the difference between `after_create` and `after_save` and when to use which?

Are after_create and after_save the same as per functionality? 3 Answers 3 ...
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What does apply_filters(…) actually do in WordPress?

I'm trying to understand some of the function in WordPress, but I can't get my head around what apply_filters(...) actually does. ...
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How to use ng-repeat for dictionaries in AngularJs?

...wered Aug 16 '12 at 11:37 Artem AndreevArtem Andreev 19.7k55 gold badges4141 silver badges4141 bronze badges ...