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Possibility of duplicate Mongo ObjectId's being generated in two different collections?

Is it possible for the same exact Mongo ObjectId to be generated for a document in two different collections? I realize that it's definitely very unlikely, but is it possible? ...
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Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?

The following code results in use of unassigned local variable "numberOfGroups" : 3 Answers ...
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Difference between thread's context class loader and normal classloader

What is the difference between a thread's context class loader and a normal class loader? 4 Answers ...
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How do I update my forked repo using SourceTree?

I am using SourceTree (with BitBucket) to manage my code. I have forked a repo, and the parent repo has been updated. 1 An...
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Missing Maven dependencies in Eclipse project

We have a project set up with maven for resolving dependancies. It usually works fine, but now I am trying to compile and run it on a new PC and I have problem with missing dependencies in Eclipse. ...
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How do I add BundleConfig.cs to my project?

I have an ASP.Net MVC project and I want to implement bundling, but everything I can find on the internet directs me to open BundleConfig.cs in App_Start - however this file does not exist in my project. I have only three files in that folder: FilterConfig , RouteConfig and WebApiConfig . ...
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Why there is no “Home” button in iPad simulator in iOS 5.1 SDK?

How to simulator the action of "press the home button"? 4 Answers 4 ...
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What do I use for a max-heap implementation in Python?

Python includes the heapq module for min-heaps, but I need a max heap. What should I use for a max-heap implementation in Python? ...
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How to get the Android device's primary e-mail address

How do you get the Android's primary e-mail address (or a list of e-mail addresses)? 12 Answers ...
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How to specify data attributes in razor, e.g., data-externalid=“23151” on @this.Html.CheckBoxFor(…)

With razor, I'm unable to specify values for data- attributes such as data-externalid="23521" 1 Answer ...