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How to implement a Map with multiple keys? [duplicate]

... Two maps. One Map<K1, V> and one Map<K2, V>. If you must have a single interface, write a wrapper class that implements said methods. share | ...
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Does every Javascript function have to return a value?

...-like comments to each function, I write. So I begin each of it with /** and then I press Enter to let Netbeans fulfill default comment scheme for following function. ...
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Sending data back to the Main Activity in Android

I have two activities: main activity and child activity. When I press a button in the main activity, the child activity is launched. ...
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How do I add files and folders into GitHub repos?

I created an account on GitHub — I'm new on it — and I'm facing a problem with adding files. I have added readme.txt . Also, I have 3 other PHP files and a folder including images. ...
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Pretty print in MongoDB shell as default

...o to pretty print output? Currently, everything is output to a single line and it's difficult to read, especially with nested arrays and documents. ...
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How to resolve merge conflicts in Git?

... Try: git mergetool It opens a GUI that steps you through each conflict, and you get to choose how to merge. Sometimes it requires a bit of hand editing afterwards, but usually it's enough by itself. It is much better than doing the whole thing by hand certainly. As per @JoshGlover comment: The ...
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How to see which plugins are making Vim slow?

...et more | verbose function {function_name} will show you function contents and where it is located. – ZyX Aug 29 '15 at 19:26 28 ...
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Do SVG docs support custom data- attributes?

...SVG provides an alternative mechanism for data-*. SVG allows any attribute and tag to be included, as long as it doesn't conflict with existing ones (in other words: you should use namespaces). To use this (equivalent) mechanism: use mydata:id instead of data-myid, like this: <p mydata:id="12...
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How do I specify local .gem files in my Gemfile?

... Wouldn't it just be easier to run "gem server" on the command line and add source "localhost:8808" to your Gemfile – Anna Oct 9 '12 at 21:19 6 ...
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Using OpenGl with C#? [closed]

Is there free OpenGL support libraries for C#? If so, which one do I use and where do I find sample projects? 9 Answers ...