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Can I use Class.newInstance() with constructor arguments?

I would like to use Class.newInstance() but the class I am instantiating does not have a nullary constructor. Therefore I need to be able to pass in constructor arguments. Is there a way to do this? ...
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Extending the User model with custom fields in Django

What's the best way to extend the User model (bundled with Django's authentication app) with custom fields? I would also possibly like to use the email as the username (for authentication purposes). ...
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Java - Including variables within strings?

Ok, so we all should know that you can include variables into strings by doing: 4 Answers ...
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animating addClass/removeClass with jQuery

I am using jQuery and jQuery-ui and want to animate various attributes on various objects. 6 Answers ...
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Simplest way to profile a PHP script

What's the easiest way to profile a PHP script? 13 Answers 13 ...
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How to retrieve a single file from a specific revision in Git?

I have a Git repository and I'd like to see how some files looked a few months ago. I found the revision at that date; it's 27cf8e84bb88e24ae4b4b3df2b77aab91a3735d8 . I need to see what one file looks like, and also save it as a ("new") file. ...
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What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?

I know that the >= operator means more than or equal to, but I've seen => in some source code. What's the meaning of that operator? ...
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CreateElement with id?

I'm trying to modify this code to also give this div item an ID, however I have not found anything on google, and idName does not work. I read something about append , however it seems pretty complicated for a task that seems pretty simple, so is there an alternative? Thanks :) ...
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Elegant Python function to convert CamelCase to snake_case?

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Returning anonymous type in C#

I have a query that returns an anonymous type and the query is in a method. How do you write this: 15 Answers ...