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Entity Framework 4 / POCO - Where to start? [closed]

I've been programming for a while and have used LINQ-To-SQL and LINQ-To-Entities before (although when using entities it has been on a Entity/Table 1-1 relationship - ie not much different than L2SQL) ...
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Best way to give a variable a default value (simulate Perl ||, ||= )

I love doing this sort of thing in Perl: $foo = $bar || $baz to assign $baz to $foo if $bar is empty or undefined. You also have $foo ||= $bletch which will only assign $bletch to $foo if $foo is not defined or empty. ...
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SQL Server - Create a copy of a database table and place it in the same database?

I have a table ABC in a database DB. I want to create copies of ABC with names ABC_1, ABC_2, ABC_3 in the same DB. How can I do that using either Management Studio (preferably) or SQL queries ? ...
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How to update npm

I'm trying to install mean.io boilerplate. It fails when running sudo npm install -g meanio@latest . Prior to failing it notes that it 'wants' npm version 1.4.x, whereas I have 1.2.18 installed. So I tried updating npm to the latest; several ways. Last of which was... ...
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Android emulator and virtualbox cannot run at same time

Whenever I have Virtualbox running, I cannot start an Android emulator image (and vice versa). The error message in the AVD manager is ...
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Is null check needed before calling instanceof?

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Is there a way to do repetitive tasks at intervals?

Is there a way to do repetitive background tasks in Go? I'm thinking of something like Timer.schedule(task, delay, period) in Java. I know I can do this with a goroutine and Time.sleep() , but I'd like something that easily stopped. ...
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List of lists into numpy array

How do I convert a simple list of lists into a numpy array? The rows are individual sublists and each row contains the elements in the sublist. ...
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Minimum and maximum value of z-index?

I have a div in my HTML page. I am showing this div based on some condition, but the div is displaying behind the HTML element where I pointed the mouse cursor. ...
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library not found for -lPods

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