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How to update Ruby to 1.9.x on Mac?

I have created a new user account on my mac and I am trying to update to the current version of ruby on it (1.9.2) from the snow leopard default of 1.8.7. Can somebody point me to tutorial or explain the best method to update Ruby on my mac from 1.8 to 1.9.2? Thanks ...
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How to write :hover condition for a:before and a:after?

... This depends on what you're actually trying to do. If you simply wish to apply styles to a :before pseudo-element when the a element matches a pseudo-class, you need to write a:hover:before or a:visited:before instead. Notice the pseudo-element comes after the pseu...
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Java enum - why use toString instead of name

If you look in the enum api at the method name() it says that: 7 Answers 7 ...
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Interfacing with structs and anonymous unions with c2hs

How would one go about encoding this chunk of C code in a .chs file so that c2hs can transform it to something relatively nice? ...
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Completion handler for UINavigationController “pushViewController:animated”?

I'm about creating an app using a UINavigationController to present the next view controllers. With iOS5 there´s a new method to presenting UIViewControllers : ...
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How to access session variables from any class in ASP.NET?

I have created a class file in the App_Code folder in my application. I have a session variable 7 Answers ...
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Set variable in jinja

I would like to know how can I set a variable with another variable in jinja. I will explain, I have got a submenu and I would like show which link is active. I tried this: ...
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How do I make the first letter of a string uppercase in JavaScript?

How do I make the first letter of a string uppercase, but not change the case of any of the other letters? 94 Answers ...
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snprintf and Visual Studio 2010

I'm unfortunate enough to be stuck using VS 2010 for a project, and noticed the following code still doesn't build using the non-standards compliant compiler: ...
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Global variables in AngularJS

I have a problem where i'm initialising a variable on the scope in a controller. Then it gets changed in another controller when a user logs in. This variable is used to control things such as the navigation bar and restricts access to parts of the site depending on the type of user, so its importan...