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sqlalchemy unique across multiple columns

... that represents locations. Locations "belong" to customers. Locations are identified by a unicode 10 character code. The "location code" should be unique among the locations for a specific customer. ...
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The object 'DF__*' is dependent on column '*' - Changing int to double

...se DB migrations of my framework (Laravel) and dropColumn there? I have no idea how to drop the constraint which has mysterious name, autogenerated by SQL server :( – JustAMartin Feb 15 '16 at 16:00 ...
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How do I put hint in a asp:textbox

How do I put a hint/placeholder inside a asp:TextBox? When I say a hint I mean some text which disappears when the user clicks on it. Is there a way to achieve the same using html / css? ...
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How to return an empty ActiveRecord relation?

... A more portable solution that doesn't require an "id" column and doesn't assume there won't be a row with an id of 0: scope :none, where("1 = 0") I'm still looking for a more "correct" way. share ...
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Set Value of Input Using Javascript Function

... currently using a YUI gadget. I also do have a Javascript function to validate the output that comes from the div that YUI draws for me: ...
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How to find a hash key containing a matching value

...te a multi-line script) to obtain the key given I want to match the client_id? E.g. How to get the key for client_id == "2180" ? ...
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Can Flask have optional URL parameters?

... Another way is to write @user.route('/<user_id>', defaults={'username': None}) @user.route('/<user_id>/<username>') def show(user_id, username): pass But I guess that you want to write a single route and mark username as optional? If that's the ca...
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Script to kill all connections to a database (More than RESTRICTED_USER ROLLBACK)

...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); SET @kill = ''; SELECT @kill = @kill + 'kill ' + CONVERT...
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Setting background colour of Android layout element

I am trying to, somewhat clone the design of an activity from a set of slides on Android UI design . However I am having a problem with a very simple task. ...
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ASP.NET MVC - Set custom IIdentity or IPrincipal

...hing fairly simple: in my ASP.NET MVC application, I want to set a custom IIdentity / IPrincipal. Whichever is easier / more suitable. I want to extend the default so that I can call something like User.Identity.Id and User.Identity.Role . Nothing fancy, just some extra properties. ...