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What is the easiest way to duplicate an activerecord record?

...ID. Note that it does not copy associations, so you'll have to do this manually if you need to. Rails 3.1 clone is a shallow copy, use dup instead... share | improve this answer | ...
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Is it possible to change the location of packages for NuGet?

... It's now possible to control which folder the packages are installed into. http://nuget.codeplex.com/workitem/215 Edit: See Phil Haack's comment on Dec 10 2010 at 11:45 PM (in the work item/the link above). The support is partially implemented in 1.0, but is not documented. According...
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Error-Handling in Swift-Language

...ragon Note: there is no specification for type of error the function actually can throw. This declaration simply states that the function can throw an instance of any type implementing ErrorType or is not throwing at all. 2. Invoking function that may throw errors In order to invoke function you...
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Adding a user to a group in django

... I would expect to see in a section of the docs under auth for programmatically creating groups. instead all there is is a weak paragraph: docs.djangoproject.com/en/1.3/topics/auth/#groups I guess it helps to keep in mind that the auth models are just regular models, and the standard model reference...
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UIActivityViewController crashing on iOS 8 iPads

...image]; UIActivityViewController *controller = [[UIActivityViewController alloc] initWithActivityItems:postItems applicationActivities:nil]; //if iPhone if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) { [self presentViewController:controller animated:YES completion:nil]; } //if iPa...
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Everyauth vs Passport.js?

...auth makes extensive use of promises, instead of Node's approach of using callbacks and closures. Promises are an alternative approach to async programming. While useful in some high-level situations, I wasn't comfortable with an authentication library forcing this choice upon my application. Fur...
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Booleans, conditional operators and autoboxing

...a.lang.Exception; descriptor: ([Ljava/lang/String;)V flags: ACC_PUBLIC, ACC_STATIC Code: stack=2, locals=2, args_size=1 0: invokestatic #2 // Method returnsNull:()Ljava/lang/Boolean; 3: invokevirtual #3 // Method java...
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How do I obtain a Query Execution Plan in SQL Server?

...an execution plan, which one to use will depend on your circumstances. Usually you can use SQL Server Management Studio to get a plan, however if for some reason you can't run your query in SQL Server Management Studio then you might find it helpful to be able to obtain a plan via SQL Server Profil...
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How to exit pdb and allow program to continue?

...b module to debug a program. I'd like to understand how I can exit pdb and allow the program to continue onward to completion. The program is computationally expensive to run, so I don't want to exit without the script attempting to complete. continue doesn't seems to work. How can I exit pdb and ...
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In a storyboard, how do I make a custom cell for use with multiple controllers?

...lls out of a storyboard, here's what happens: Each prototype cell is actually its own embedded mini-nib. So when the table view controller is loading up, it runs through each of the prototype cell's nibs and calls -[UITableView registerNib:forCellReuseIdentifier:]. The table view asks the controll...