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Override devise registrations controller

...model, or any of the nested models? If so, I believe the ActiveRecord::UnknownAttributeError is triggered in this instance. Otherwise, I think you can just create your own controller, by generating something like this: # app/controllers/registrations_controller.rb class RegistrationsController &l...
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How do I get the current absolute URL in Ruby on Rails?

...otocol}#{request.host_with_port}#{request.fullpath}", since request.url is now deprecated. For Rails 2: You can write request.url instead of request.request_uri. This combines the protocol (usually http://) with the host, and request_uri to give you the full address. ...
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Why do we need boxing and unboxing in C#?

...e type). Think of it like this. You have a variable o of type object. And now you have an int and you want to put it into o. o is a reference to something somewhere, and the int is emphatically not a reference to something somewhere (after all, it's just a number). So, what you do is this: you make...
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Could not find method compile() for arguments Gradle

Looked around for this solution for much too long now, and I'm not sure if I missed it or just misstyped something, but my Gradle script will not compile. I am migrating to Gradle, and am very new with it. I am very used to using Maven for dependency management, but Gradle seems best me for now. Fro...
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Managing CSS Explosion

...have been heavily relying on CSS for a website that I am working on. Right now, all the CSS styles are being applied on a per tag basis, and so now I am trying to move it to more of an external styling to help with any future changes. ...
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proper hibernate annotation for byte[]

... in some recent version of hibernate? Well, the problem is that I don't know what the problem is exactly. But I can at least say that nothing has changed since 3.5.0-Beta-2 (which is where a changed has been introduced)in the 3.5.x branch. But my understanding of issues like HHH-4876, HHH-4617 an...
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Why use AJAX when WebSockets is available?

I've been using WebSockets for a while now, I have chosen to create an Agile project management tool for my final year project at University utilizing Node server and WebSockets. I found using WebSockets provided a 624% increase in the number of requests per second my application could process. ...
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What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?

...introduction to quoting in Bash. Arrays ($var vs. $var[@] vs. ${var[@]}) Now for your array. According to the bash manual: Referencing an array variable without a subscript is equivalent to referencing the array with a subscript of 0. In other words, if you don't supply an index with [], you...
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Can you configure log4net in code instead of using a config file?

... Link is now dead – Toby Smith Feb 7 '19 at 22:26 @T...
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Inserting multiple rows in mysql

... @RPK. I agree with you but I don't know her data source. As I already wrote, if she has a file, I would use load data syntax as cularis suggests. :) – Nicola Cossu Jul 31 '11 at 11:54 ...