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Scala: What is a TypeTag and how do I use it?

All I know about TypeTags is that they somehow replaced Manifests. Information on the Internet is scarce and doesn't provide me with a good sense of the subject. ...
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Visual Studio or Resharper functionality for placement of using directives

I like to put my using directives inside the current namespace, and not outside as VS and Resharper per default puts them. ...
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How to find out what group a given user has?

In Unix/Linux, how do you find out what group a given user is in via command line? 5 Answers ...
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How to iterate through a DataTable

I need to iterate through a DataTable . I have an column there named ImagePath . 4 Answers ...
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MySQL Query - Records between Today and Last 30 Days

I want to return all records that were added to the database within the last 30 days. I need to convert the date to mm/dd/yy because of display purposes. ...
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Why java.io.File doesn't have a close() method?

While java.io.RandomAccessFile does have a close() method java.io.File doesn't. Why is that? Is the file closed automatically on finalization or something? ...
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jQuery hide element while preserving its space in page layout

Is there a way in jQuery where I can hide an element, but not change the DOM when it's hidden? I'm hiding a certain element but when it's hidden, the elements below it move up. I don't want that to happen. I want the space to stay the same, but the element to be shown/hidden at will. ...
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Grep regex NOT containing string

I am passing a list of regex patterns to grep to check against a syslog file. They are usually matching an IP address and log entry; ...
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ZSH complains about RVM __rvm_cleanse_variables: function definition file not found

When using the latest ZSH and RVM on Mac OS X 10.7.4 ZSH complains about this: 5 Answers ...
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SQL Server Management Studio won't let me add an index to a table

When I right click on the indexes folder in the table the "New Index" menu item is grayed out. I don't understand why. I've deleted all data in the table just in case, and refreshed and restarted SSMS, but no luck. I'm using SQL Server 2012 Business Intelligence SP1 CTP. ...