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How do I manage MongoDB connections in a Node.js web application?

.... So, to answer your question directly, reuse the db object that results from MongoClient.connect(). This gives you pooling, and will provide a noticeable speed increase as compared with opening/closing connections on each db action. ...
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How do I load a file from resource folder?

... great, I'm so stupid that I was using Object.class.getClassLoader();, from a static context which didn't work - this suggestion does - well almost, it injects %20 for spaces which gives me a FileNotFoundException – ycomp Mar 7 '16 at 20:03 ...
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Remove leading comma from a string

...lit("','"); ["first string", "more", "even more"] To extract a substring from a string I usually use slice() but substr() and substring() also do the job. share | improve this answer | ...
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How to remove stop words using nltk or python

So I have a dataset that I would like to remove stop words from using 12 Answers 12 ...
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Backbone View: Inherit and extend events from parent

... That's great... Maybe you could update this to show how you would inherit from a ChildView (check if the prototype events is a function or object)... Or maybe I'm overthinking this whole inheritance stuff. – brent Feb 22 '12 at 22:06 ...
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How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?

I have a UIImage (Cocoa Touch). From that, I'm happy to get a CGImage or anything else you'd like that's available. I'd like to write this function: ...
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How to overcome “datetime.datetime not JSON serializable”?

...org/python/1.10.1/api/bson/json_util.html Example usage (serialization): from bson import json_util import json json.dumps(anObject, default=json_util.default) Example usage (deserialization): json.loads(aJsonString, object_hook=json_util.object_hook) Django Django provides a native Djang...
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How to access outer class from an inner class?

...oke duck typing: if it does everything an inner class could possibly do... from a Pythonic point of view it's probably time to get bored with splitting hairs – mike rodent Nov 7 '11 at 14:40 ...
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Offset a background image from the right using CSS

Is there a way to position a background image a certain number of pixels from the right of its element? 17 Answers ...
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Logging in Scala

...Scala Logging, but the log messages are sent to an actor which calls SLF4J from a dedicated thread pool. Trades CPU time for (much better) latency. github.com/oncue/journal – Gary Coady Jul 24 '15 at 12:03 ...