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How do you perform a left outer join using linq extension methods

...=> bar.Foo_Id, (x,y) => new { Foo = x, Bars = y }) .SelectMany( x => x.Bars.DefaultIfEmpty(), (x,y) => new { Foo=x.Foo, Bar=y}); share | improve t...
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How do you list the primary key of a SQL Server table?

... SELECT Col.Column_Name from INFORMATION_SCHEMA.TABLE_CONSTRAINTS Tab, INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE Col WHERE Col.Constraint_Name = Tab.Constraint_Name AND Col.Table_Name = Tab.Table_Name ...
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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 do you search an amazon s3 bucket?

...to access many nodes at once ala more traditional datastores that offer a (SELECT * FROM ... WHERE ...) (in a SQL model). What you will need to do is perform ListBucket to get a listing of objects in the bucket and then iterate over every item performing a custom operation that you implement - whic...
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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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Data binding to SelectedItem in a WPF Treeview

How can I retrieve the item that is selected in a WPF-treeview? I want to do this in XAML, because I want to bind it. 20 An...
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Can CSS detect the number of children an element has?

...i:first-child:nth-last-child(4) ~ li { width: 25%; } The trick is to select the first child when it's also the nth-from-the-last child. This effectively selects based on the number of siblings. Credit for this technique goes to André Luís (discovered) & Lea Verou (refined). Don't you j...
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What is the difference between a field and a property?

... by the class creator. If a property is string, my contract is: assign any chars up to ~2bil length. If a property is DateTime, my contract is: assign any numbers within the limits of DateTime, which I can look up. If the creator adds constraints to the setters, those constraints are not communicate...
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SQL-Server: The backup set holds a backup of a database other than the existing

...go for the restore option Under Options on the left pane don't forget to select Overwrite the existing database Preserve the replication settings That's it share | improve this answer ...
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How do I convert a column of text URLs into active hyperlinks in Excel?

...y name itself HyperAdd. Sub HyperAdd() 'Converts each text hyperlink selected into a working hyperlink For Each xCell In Selection ActiveSheet.Hyperlinks.Add Anchor:=xCell, Address:=xCell.Formula Next xCell End Sub When you're finished pasting your macro, click Close and Re...