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Unloading classes in java?

I have a custom class loader so that a desktop application can dynamically start loading classes from an AppServer I need to talk to. We did this since the amount of jars that are required to do this are ridiculous (if we wanted to ship them). We also have version problems if we don't load the class...
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How to safely call an async method in C# without await

I have an async method which returns no data: 11 Answers 11 ...
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Best way to create unique token in Rails?

Here's what I'm using. The token doesn't necessarily have to be heard to guess, it's more like a short url identifier than anything else, and I want to keep it short. I've followed some examples I've found online and in the event of a collision, I think the code below will recreate the token, but ...
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Is it possible to move/rename files in Git and maintain their history?

I would like to rename/move a project subtree in Git moving it from 14 Answers 14 ...
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Combine multiple Collections into a single logical Collection?

Assume, I have a constant number of collections (e.g. 3 ArrayLists) as members of a class. Now, I want to expose all the elements to other classes so they can simply iterate over all elements (ideally, read only). I'm using guava collections and I wonder how I could use guava iterables/iterators to ...
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NSNotificationCenter addObserver in Swift

How do you add an observer in Swift to the default notification center? I'm trying to port this line of code that sends a notification when the battery level changes. ...
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What's the best way of implementing a thread-safe Dictionary?

I was able to implement a thread-safe Dictionary in C# by deriving from IDictionary and defining a private SyncRoot object: ...
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Where can I locate themes for VS2012

Okay, the lack of color on VS2012 is gross. 8 Answers 8 ...
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What is an index in SQL?

What is an index in SQL? Can you explain or reference to understand clearly? 11 Answers ...
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How to Flatten a Multidimensional Array?

Is it possible, in PHP, to flatten a (bi/multi)dimensional array without using recursion or references? 29 Answers ...