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How to set time zone of a java.util.Date?

I have parsed a java.util.Date from a String but it is setting the local time zone as the time zone of the date object. ...
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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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Determine what attributes were changed in Rails after_save callback?

I'm setting up an after_save callback in my model observer to send a notification only if the model's published attribute was changed from false to true. Since methods such as changed? are only useful before the model is saved, the way I'm currently (and unsuccessfully) trying to do so is as fol...
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Count Rows in Doctrine QueryBuilder

I'm using Doctrine's QueryBuilder to build a query, and I want to get the total count of results from the query. 10 Answ...
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How is a tag different from a branch in Git? Which should I use, here?

I am having some difficulty understanding how to use tags versus branches in git . 12 Answers ...
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Is Random class thread safe?

Is it valid to share one instance of the Random class between multiple threads? And to call nextInt(int) from multiple threads in particular? ...
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iOS 7 status bar back to iOS 6 default style in iPhone app?

In iOS 7 the UIStatusBar has been designed in a way that it merges with the view like this: 25 Answers ...
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When correctly use Task.Run and when just async-await

I would like to ask you on your opinion about the correct architecture when to use Task.Run . I am experiencing laggy UI in our WPF .NET 4.5 application (with Caliburn Micro framework). ...
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How to get rid of Git submodules untracked status?

I can't seem to get rid of untracked content in Git's submodules. Running git status yields: 10 Answers ...
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Name node is in safe mode. Not able to leave

not able to create anything in hdfs 9 Answers 9 ...