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autolayout - make height of view relative to half superview height

...lso need to setup bottom, left, and right constraints, like normal) . Then select the constraint and navigate to the Attribute inspector: Then you can adjust the multiplier. If you want it 50% of the super view leave it at 1, since it is aligned per the super's center. This is also a great way to...
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How to select an element with 2 classes [duplicate]

... You can chain class selectors without a space between them: .a.b { color: #666; } Note that, if it matters to you, IE6 treats .a.b as .b, so in that browser both div.a.b and div.b will have gray text. See this answer for a comparison bet...
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Cannot drop database because it is currently in use

...ar(50) SET @DatabaseName = N'YOUR_DABASE_NAME' DECLARE @SQL varchar(max) SELECT @SQL = COALESCE(@SQL,'') + 'Kill ' + Convert(varchar, SPId) + ';' FROM MASTER..SysProcesses WHERE DBId = DB_ID(@DatabaseName) AND SPId <> @@SPId --SELECT @SQL EXEC(@SQL) ...
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What is the advantage of using heredoc in PHP? [closed]

...e day I used to use them to construct SQL queries: $sql = <<<SQL select * from $tablename where id in [$order_ids_list] and product_name = "widgets" SQL; To me this has a lower probability of introducing a syntax error than using quotes: $sql = " select * from $tablename where ...
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How do I rename a project in Xcode 5?

... It worked for me except the double click didn't. I selected the project and hit 'Enter', that worked. +1. – GaneshT Mar 27 '14 at 3:32 9 ...
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Undo VS 'Exclude from project'?

...alled "Show All Files". To see this button, make sure that your project is selected in the solution explorer. Show All Files When this option is active, the file should be there, just grayed out. Right click it, and select "Include In Project". Include In Project ...
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How do I drop a function if it already exists?

... IF EXISTS ( SELECT * FROM sysobjects WHERE id = object_id(N'function_name') AND xtype IN (N'FN', N'IF', N'TF') ) DROP FUNCTION function_name GO If you want to avoid the sys* tables, you could instead do (from here in example A...
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How to map calculated properties with JPA and Hibernate

...e float finalPrice; Or even complex queries on other tables: @Formula("(select min(o.creation_date) from Orders o where o.customer_id = id)") private Date firstOrderDate; Where id is the id of the current entity. The following blog post is worth the read: Hibernate Derived Properties - Perform...
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How do I enter RGB values into Interface Builder?

... enter RGB or Hex color values for backgrounds in Interface Builder? I can select predefined colors but I would like to manually enter in RGB values. Where can I do this? ...
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DropDownList's SelectedIndexChanged event not firing

I have a DropDownList object in my web page. When I click on it and select a different value, nothing happens, even though I have a function wired up to the SelectedIndexChanged event. ...