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jQuery SVG, why can't I addClass?

I am using jQuery SVG. I can't add or remove a class to an object. Anyone know my mistake? 15 Answers ...
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How do I do base64 encoding on iOS?

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When is it better to use an NSSet over an NSArray?

I have used NSSets many times in my apps, but I have never created one myself. 11 Answers ...
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Can I hex edit a file in Visual Studio?

...ant to edit a binary file, but I don't want to use another tool other than Visual Studio because it's a pain to switch back and forth. ...
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Can functions be passed as parameters?

In Java I can do something like 6 Answers 6 ...
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Most efficient way to store thousand telephone numbers

This is a google interview question: 13 Answers 13 ...
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How to list all functions in a Python module?

I have a python module installed on my system and I'd like to be able to see what functions/classes/methods are available in it. ...
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Why is Node.js single threaded? [closed]

In PHP (or Java/ASP.NET/Ruby) based webservers every client request is instantiated on a new thread. But in Node.js all the clients run on the same thread (they can even share the same variables!) I understand that I/O operations are event-based so they don't block the main thread loop. ...
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Finding quaternion representing the rotation from one vector to another

I have two vectors u and v. Is there a way of finding a quaternion representing the rotation from u to v? 7 Answers ...
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How to change to an older version of Node.js

I am running Node.js version v0.5.9-pre on Ubuntu 10.10. 15 Answers 15 ...