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The import android.support cannot be resolved

...Libraries tab. There click the Add External JARs Button on the Right pane. Select the android-support-v4.jar file, usually the path for the Jar file is : YOUR_DRIVE\android-sdks\extras\android\support\v4\android-support-v4.jar After adding android-support-v4.jar Library, navigate to the Order and E...
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How do I get my solution in Visual Studio back online in TFS?

...t-click on the solution name right at the top of the Solution Explorer and select the Go Online option. Clicking this allowed me to select the files that had been changed when I was offline and make the solution online again. After finding the solution, I found the following msdn forum thread which...
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Uniq by object attribute in Ruby

What's the most elegant way to select out objects in an array that are unique with respect to one or more attributes? 14 An...
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Script to kill all connections to a database (More than RESTRICTED_USER ROLLBACK)

... Server 2012 and above USE [master]; DECLARE @kill varchar(8000) = ''; SELECT @kill = @kill + 'kill ' + CONVERT(varchar(5), session_id) + ';' FROM sys.dm_exec_sessions WHERE database_id = db_id('MyDB') EXEC(@kill); For MS SQL Server 2000, 2005, 2008 USE master; DECLARE @kill varchar(8000...
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What is SYSNAME data type in SQL Server?

... Just as an FYI.... select * from sys.types where system_type_id = 231 gives you two rows. (i'm not sure what this means yet but i'm 100% sure it's messing up my code right now) edit: i guess what it means is that you should join by the user_...
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How to delete a workspace in Eclipse?

...Mac OS, once you have deleted the actual workspace directory the option to select and switch to that workspace will still be available unless you delete the entry from Preferences >> General >> Startup and Shutdown >> Workspaces. ...
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Does a “Find in project…” feature exist in Eclipse IDE?

... 1. Ctrl + H 2. Choose File Search for plain text search in workspace/selected projects For specific expression searches, choose the relevant tab (such as Java Search which allows you to search for specific identifiers) For whole project search: 3. Scope (in the form section) > Enclosing...
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How do I alter the position of a column in a PostgreSQL database table?

... tablename (column defs go here); insert into tablename (col1, col2, col3) select col1, col2, col3 from oldtable; share | improve this answer | follow | ...
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How do I extract a sub-hash from a hash?

...e same: h1 = {:a => :A, :b => :B, :c => :C, :d => :D} h2 = h1.select {|key, value| [:b, :d, :e, :f].include?(key) } # => {:b=>:B, :d=>:D} h1 = Hash[h1.to_a - h2.to_a] # => {:a=>:A, :c=>:C} And if you want to patch that into the Hash class: class Hash def extract...
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Renew Provisioning Profile

...gn). I discovered that if I change something on the screen (in my case, I selected a previously unused device), "Submit" darkens (becomes available). Click on "Submit". You're quietly (another UI problem :) taken back to the prior page, and the "Download" and "Edit" buttons are gone, and the status...