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How to define custom configuration variables in rails

... Update 1 Very recommended: I'm going with Rails Config gem nowadays for the fine grained control it provides. Update2 If you want a quick solution, then check Jack Pratt's answer below. Although my original answer below still works, this answer is now outdated. I recommend looking...
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Differences between distribute, distutils, setuptools and distutils2?

...distutils2. Recommendation: If all of this is new to you, and you don't know where to start, I would recommend learning setuptools, along with pip and virtualenv, which all work very well together. If you're looking into virtualenv, you might be interested in this question: What is the difference...
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Is .NET Remoting really deprecated?

...s not recommended for new development. Distributed applications should now be developed using the Windows Communication Foundation (WCF). Update: WCF doesn't distinguish between inter/intra/process/inter/intra-appdomain. If you are using single machine communication in WCF you use named p...
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Why can't I use the 'await' operator within the body of a lock statement?

...lock(), that in a synchronous world would execute on separate threads. But now with await (if allowed I mean) you could have two tasks executing within the lock block because the thread was reused. Hilarity ensues. Or did I misunderstand something? – Gareth Wilson ...
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Something better than .NET Reflector? [closed]

... ever since Red Gate Software took over it has gone downhill dramatically. Now it forces me to update (which is absolutely ridiculous), half the time the update doesn't go smoothly, and it is increasingly hindering my productivity with each update. I am sick of it, and I am ready for something bette...
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What is Type-safe?

... Personally, I prefer to have my compiler tell me if I made that mistake. Now, back to C#... C# supports a language feature called covariance, this basically means that you can substitute a base type for a child type and not cause an error, for example: public class Foo : Bar { } Here, I cre...
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What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?

...he parenthesis if there is less than two parameters passed to the method. Now, the operator notation is a notation for method-call, which means it can't be used in the absence of the object which is being called. I'll briefly detail the notations. Prefix: Only ~, !, + and - can be used in prefix...
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Java: Date from unix timestamp

...ent the specified number of milliseconds since the standard base time known as "the epoch", namely January 1, 1970, 00:00:00 GMT. share | improve this answer | follo...
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Get the current displaying UIViewController on the screen in AppDelegate.m

...oller: UIViewController *vc = self.window.rootViewController; Once you know the root view controller, then it depends on how you have built your UI, but you can possibly find out a way to navigate through the controllers hierarchy. If you give some more details about the way you defined your app...
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What are sessions? How do they work?

... to store that data server side, give it an "id", and let the client only know (and pass back at every http request) that id. There you go, sessions implemented. Or you can use the client as a convenient remote storage, but you would encrypt the data and keep the secret server-side. Of course there...