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MongoDB relationships: embed or reference?

I'm new to MongoDB--coming from a relational database background. I want to design a question structure with some comments, but I don't know which relationship to use for comments: embed or reference ? ...
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How do I unload (reload) a Python module?

I have a long-running Python server and would like to be able to upgrade a service without restarting the server. What's the best way do do this? ...
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VS 2012: Scroll Solution Explorer to current file

VS2010 had the feature that viewing a file would automatically cause Solution Explorer to scroll to that file. 8 Answers ...
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What is attr_accessor in Ruby?

I am having a hard time understanding attr_accessor in Ruby . Can someone explain this to me? 19 Answers ...
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Delete fork dependency of a GitHub repository

How can I make GitHub forget or disassociate that my repo was originally a fork of another project? 6 Answers ...
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How do I use installed packages in PyCharm?

In PyCharm , I've added the Python environment /usr/bin/python . However, 12 Answers ...
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No @XmlRootElement generated by JAXB

I'm trying to generate Java classes from the FpML (Finanial Products Markup Language) version 4.5. A ton of code is generated, but I cannot use it. Trying to serialize a simple document I get this: ...
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Running the new Intel emulator for Android

Lately Google and Intel have published a new way to run the emulator, which should work much better than the previous version (which has emulated ARM CPU). Here are some links about it: this and this . ...
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Error: “The sandbox is not in sync with the Podfile.lock…” after installing RestKit with cocoapods

I've encounter an strange issue after installing RestKit with cocoapods. after resolving RestKit dependency for my project with cocoapods and trying to build it, I face this error: ...
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How to listen for changes to a MongoDB collection?

I'm creating a sort of background job queue system with MongoDB as the data store. How can I "listen" for inserts to a MongoDB collection before spawning workers to process the job? Do I need to poll every few seconds to see if there are any changes from last time, or is there a way my script can wa...