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Why covariance and contravariance do not support value type
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Basically, variance applies when the CLR can ensure that it doesn't need to make any representational change to the values. References all look the same - so you can use an IEnumerable<string> as an IEnumerable<object>...
What are the sizes used for the iOS application splash screen?
.../iPad development the Default.png file is displayed by the device automatically so you don't have to program it which is really useful. I don't have it with me, but you need different PNGs for the iPad with specific names. I googled iPad default png and got this info from the phunkwerks site:
iPad ...
Clearing coverage highlighting in Eclipse
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Click the "Remove all Sessions" button in the toolbar of the "Coverage" view.
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Storyboard warning: prototype table cells must have reuse identifiers
... If you have more than 1 prototype cells, you must give them all an indetifier, else just set the number to one in the prototype cell
– user1700737
Oct 21 '14 at 12:26
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Get top 1 row of each group
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That actually makes no difference since the issue is still addressed.
– dpp
Sep 5 '12 at 5:57
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Open Graph namespace declaration: HTML with XMLNS or head prefix?
...icting information on how to best implement Open Graph namespaces. Specifically, the Open Graph website uses a few different methods, and the Facebook Open Graph examples use other methods.
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Ways to save Backbone.js model data?
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Basically Models have a property called attributes which are the various values a certain model may have. Backbone uses JSON objects as a simple way to populate these values using various methods that take JSON objects. Example:
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RESTful password reset
... Jun 19 '10 at 21:11
Daniel VassalloDaniel Vassallo
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How to configure MongoDB Java driver MongoOptions for production use?
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Updated to 2.9 :
autoConnectRetry simply means the driver will automatically attempt to reconnect to the server(s) after unexpected disconnects. In production environments you usually want this set to true.
connectionsPerHost are the amount of physical connections a single Mongo instance (it's si...
Enterprise Library Unity vs Other IoC Containers [closed]
...em have other features as well (some have AOP, and better gizmos, but generally all I want an IOC to do is create and retrieve objects for me)
Note: the differences between the different libraries object retrieval can be negated by using the CommonServiceLocator: http://www.codeplex.com/CommonServi...