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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. ...
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SQL: How to get the count of each distinct value in a column?

... "That is, the ANSI standard recognises it as bleeding obvious what you mean. COUNT(1) has been optimised out by RDBMS vendors because of this superstition. Otherwise it would be evaluated as per ANSI" Count(*) vs Count(1) – Michel Ayres ...
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SQL Server loop - how do I loop through a set of records

... By using T-SQL and cursors like this : DECLARE @MyCursor CURSOR; DECLARE @MyField YourFieldDataType; BEGIN SET @MyCursor = CURSOR FOR select top 1000 YourField from dbo.table where StatusID = 7 OPEN @M...
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Delete all the queues from RabbitMQ?

I installed rabbitmqadmin and was able to list all the exchanges and queues. How can I use rabbitmqadmin or rabbitmqctl to delete all the queues. ...
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C# pattern to prevent an event handler hooked twice [duplicate]

... Explicitly implement the event and check the invocation list. You'll also need to check for null: using System.Linq; // Required for the .Contains call below: ... private EventHandler foo; public event EventHandler Foo { add { if (foo == null || !foo....
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AngularJS - Any way for $http.post to send request parameters instead of JSON?

I have some old code that is making an AJAX POST request through jQuery's post method and looks something like this: 13 A...
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Why “decimal” is not a valid attribute parameter type?

...parameters. The reason why is that an attribute must be encoded entirely in metadata. This is different than a method body which is coded in IL. Using MetaData only severely restricts the scope of values that can be used. In the current version of the CLR, metadata values are limited t...
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.bashrc/.profile is not loaded on new tmux session (or window) — why?

When tmux starts or opens a new window, it does not load my .profile or .bashrc . I end up typing . ~/.bashrc every time. Is there a way to make this happen automatically? ...
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Android emulator failed to allocate memory 8

When I try to run my WXGA800 emulator from Eclipse it's giving an error like this 12 Answers ...
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How to copy a local Git branch to a remote repo

I've taken the following steps so far: 5 Answers 5 ...