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How to access a preexisting collection with Mongoose?

I have a large collection of 300 question objects in a database test . I can interact with this collection easily through MongoDB's interactive shell; however, when I try to get the collection through Mongoose in an express.js application I get an empty array. ...
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What's so bad about Template Haskell?

It seems that Template Haskell is often viewed by the Haskell community as an unfortunate convenience. It's hard to put into words exactly what I have observed in this regard, but consider these few examples ...
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Microsecond timing in JavaScript

Are there any timing functions in JavaScript with microsecond resolution? 4 Answers 4 ...
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Return empty cell from formula in Excel

I need to return an empty cell from an Excel formula, but it appears that Excel treats an empty string or a reference to an empty cell differently than a true empty cell. So essentially I need something like ...
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Detect whether there is an Internet connection available on Android [duplicate]

I need to detect whether the Android device is connected to the Internet. 6 Answers 6 ...
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When should I use double instead of decimal?

I can name three advantages to using double (or float ) instead of decimal : 12 Answers ...
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Performance optimization strategies of last resort [closed]

There are plenty of performance questions on this site already, but it occurs to me that almost all are very problem-specific and fairly narrow. And almost all repeat the advice to avoid premature optimization. ...
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ssh “permissions are too open” error

I had a problem with my mac where I couldn't save any kind of file on the disk anymore. I had to reboot OSX lion and reset the permissions on files and acls. ...
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Pass array to mvc Action via AJAX

I'm trying to pass an array (or IEnumerable) of ints from via AJAX to an MVC action and I need a little help. 11 Answers ...
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Why should I use document based database instead of relational database?

Why should I use document based database like CouchDB instead of using relational database. Are there any typical kinds of applications or domains where the document based database is more suitable than the relational database? ...