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This Row already belongs to another table error when trying to add rows?

I have a DataTable which has some rows and I am using the select to filter the rows to get a collection of DataRows which I then loop through using foreach and add it to another DataTable, but it is giving me the error "This Row already belongs to another table". Here is the code: ...
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Total number of items defined in an enum

...r answers below is listed as being problematic but both the Enum.GetValues and Enum.GetNames as listed above seem like they risk allocating a whole new array just to get a fixed length, which seems... well, horrible. Does anyone know if this approach does indeed incur dynamic allocation? If so, for ...
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Pretty graphs and charts in Python [closed]

...]) alt text http://i40.tinypic.com/2j677tl.jpg Note: the image has been converted to jpg by the image host. share edited May 29 '09 at 13:52 ...
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python exception message capturing

...u are incorrect. The statement logging.error('foo %s', str(e)) will always convert e to a string. To achieve what you are afterm you would use logging.error('foo %s', e) - thereby allowing the logging framework to do (or not do) the conversion. – Ron Dahlgren J...
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Calling a function every 60 seconds

...nction, delay) That fires the function passed in as first parameter over and over. A better approach is, to use setTimeout along with a self-executing anonymous function: (function(){ // do some stuff setTimeout(arguments.callee, 60000); })(); that guarantees, that the next call is not...
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Create aar file in Android Studio

... @hcpl How to convert my android project into .aar file – Ana Dec 28 '17 at 7:37 ...
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node.js shell command execution

...an'], function (me, buffer){me.stdout+=buffer.toString();} ); so that we convert our buffer into a string and append that string to our stdout variable. Third is that you can only know you've received all output when you get the 'end' event, which means we need another listener and callback: fun...
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List attributes of an object

...t list attributes' -- A way to inspect an instance of an unfamiliar object and find out what it's like. – JDenman6 Aug 21 at 15:14 add a comment  |  ...
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How to get a Static property with Reflection

So this seems pretty basic but I can't get it to work. I have an Object, and I am using reflection to get to it's public properties. One of these properties is static and I'm having no luck getting to it. ...
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What .NET collection provides the fastest search

...ection" depends on your specific data size, ordered-ness, cost-of-hashing, and search frequency. share | improve this answer | follow | ...