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Webrick as production server vs. Thin or Unicorn?

It seems like it's taken for granted that you must not use Webrick as production server, but I can't really find anywhere mentioning why. The consensus seems to be: "Webrick is ok for development, but Thin or Unicorn is the choice for production, period." ...
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Get and set position with jQuery .offset()

How to get and set the position of an element with the jQuery .offset method? 5 Answers ...
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Android Studio/Intellij Idea: “Table of Contents” for a class

I have been messing around with Android Studio and so far I like most of what I have seen. One thing that has been annoying me though is this lack of "Table of Contents" for a class. I apologize for not knowing exactly what to call it. But what I am referring to is the dropdown menu in eclipse that ...
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How can I merge two hashes without overwritten duplicate keys in Ruby?

Is there an easy or elegant way to merge two hashes without overwriting duplicate keys? 5 Answers ...
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Get all keys of an NSDictionary as an NSArray

Is it possible to get all the keys from a specific NSDictionary as a seperate NSArray ? 3 Answers ...
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Can I update a component's props in React.js?

After starting to work with React.js, it seems like props are intended to be static (passed in from the parent component), while state changes based upon events. However, I noticed in the docs a reference to componentWillReceiveProps , which specifically includes this example: ...
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Ways to save Backbone.js model data?

I am more into front end development and have recently started exploring Backbone.js into my app. I want to persist the model data to the server. ...
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How to use timeit module

I understand the concept of what timeit does but I am not sure how to implement it in my code. 14 Answers ...
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How to sort Counter by value? - python

Other than doing list comprehensions of reversed list comprehension, is there a pythonic way to sort Counter by value? If so, it is faster than this: ...
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How to undo a git merge with conflicts

I am on branch mybranch1 . mybranch2 is forked from mybranch1 and changes were made in mybranch2 . 6 Answers ...