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Devise form within a different controller

...er, but it calls out [undefined local variable or method `build_resource'] error. I tried including devise internal helper by inserting 'include Devise::Controllers::InternalHelpers' at the top of the 'mains_controller' but it also calls out error with 'AbstractController::ActionNotFound' ...
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“Application tried to present modally an active controller”?

...[tabBarController presentModalViewController:vc3]; This will give you an error because that Tab Bar Controller has a death grip on the view controller that you gave it. You can either not add it to the array of view controllers on the tab bar, or you can not present it modally. Apple expects you...
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Upgrade python in a virtualenv

... just use virtualenv". EDIT: actually, it does work! It just also shows an error message about "ensurepip". – rspeer May 18 '17 at 20:01 ...
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How to get full path of a file?

...s paths. Asking for a full path of a not existing file should result in an error. – styrofoam fly Apr 9 '18 at 9:00 ...
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How to convert ASCII code (0-255) to its corresponding character?

..., you will get a "java.lang.Integer cannot be cast to java.lang.Character" error. Add a cast to int first, e.g.: Character.toString((char)(int)myInteger); – gbmhunter Jun 7 '16 at 4:00 ...
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“TypeError: (Integer) is not JSON serializable” when serializing JSON in Python?

... simple dictionary to a json file from python, but I keep getting the "TypeError: 1425 is not JSON serializable" message. 1...
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Why isn't sizeof for a struct equal to the sum of sizeof of each member?

...formance and correctness of programs: Mis-aligned access might be a hard error (often SIGBUS). Mis-aligned access might be a soft error. Either corrected in hardware, for a modest performance-degradation. Or corrected by emulation in software, for a severe performance-degradation. In addition, a...
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Variable's scope in a switch case [duplicate]

...nclose both declarations of the variables which will cause the compiler to error as the name to variable binding will have already been made. In the other example it is ok because both variables are declared within their own braces (scope). ...
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How to redirect to a dynamic login URL in ASP.NET MVC

... mistake. Modify the value in web.config: <forms loginUrl="~/Account/ERROR" timeout="2880" /> Then make an action method 'ERROR' that logs an error and redirects the user to the most generic login page you have. s...
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How to alias a table in Laravel Eloquent queries (or using Query Builder)?

...ve you ever found a way to make it work with soft delete? query fails with error Unknown column 'table_alias.deleted_at' – dev7 Nov 29 '16 at 23:56 ...