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SQL Add foreign key to existing column
If I am using the following SQL command in SQL Server 2008 to update a table with a foreign key constraint:
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Open an IO stream from a local file or url
I know there are libs in other languages that can take a string that contains either a path to a local file or a url and open it as a readable IO stream.
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How do I get the filepath for a class in Python?
Given a class C in Python, how can I determine which file the class was defined in? I need something that can work from either the class C, or from an instance off C.
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Can someone explain the HTML5 aria-* attribute?
I wanted to know what the aria-* attributes are used for. What values can they have, and are they defined values or can I create my own values?
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in entity framework code first, how to use KeyAttribute on multiple columns
I'm creating a POCO model to use with entity framework code first CTP5. I'm using the decoration to make a property map to a PK column. But how can I define a PK on more then one column, and specifically, how can I control order of the columns in the index? Is it a result of the order of propert...
How do I list all loaded assemblies?
... AppDomains. Doing it for my program's AppDomain is easy enough AppDomain.CurrentDomain.GetAssemblies() . Do I need to somehow access every AppDomain? Or is there already a tool that does this?
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What's the 'environment' task in Rake?
According to " Custom Rake Tasks ":
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HTML/Javascript change div content
I have simple HTML code with some javascript, it looks like:
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cancelling queued performSelector:afterDelay calls
does anybody know if it is possible to cancel already queued selector events from the event stack or timer stack (or whatever mechanism it is that is utilized by the API) when you call performSelector:withObject:afterDelay ?
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MySQL - How to select data by string length
Is there a MySQL function to do this (of course instead of string_length )?
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