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Use LINQ to get items in one List, that are not in another List

...ut could introduce performance issues, and especially if the data set is quite large. If this doesn't satisfy your performance requirements, you may need to evaluate other options. Since the stated requirement is for a solution in LINQ, however, those options aren't explored here. As always, evaluat...
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How do I uniquely identify computers visiting my web site?

I need to figure out a way uniquely identify each computer which visits the web site I am creating. Does anybody have any advice on how to achieve this? ...
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How to convert an IPv4 address into a integer in C#?

...o an Integer. Bonus points available for a function that will do the opposite. 21 Answers ...
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Assembly code vs Machine code vs Object code?

...d directly by the CPU. If you were to open a machine code file in a text editor you would see garbage, including unprintable characters (no, not those unprintable characters ;) ). Object code is a portion of machine code not yet linked into a complete program. It's the machine code for one particula...
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Random row from Linq to Sql

... fastest) way to retrieve a random row using Linq to SQL when I have a condition, e.g. some field must be true? 15 Answers ...
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What steps should I take to protect my Google Maps API Key?

...s/data from google's servers, there is nothing you can do : you must put it in your HTML files every one can take a look at those. Still, it doesn't really matter : if anyone tries to use this key on another domain than yours, they will get a Javascript alert -- which is not nice for ther users....
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How to get whole and decimal part of a number?

... ($number - floor($number)) * $negative ); } The $returnUnsigned stops it from making -1.25 in to -1 & -0.25 share | improve this answer | follow | ...
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Read-only list or unmodifiable list in .NET 4.0

...ll lacks read-only lists. Why does the framework still lack this functionality? Isn't this one of the commonest pieces of functionality for domain-driven design ? ...
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How to get rid of `deprecated conversion from string constant to ‘char*’` warnings in GCC?

... I believe passing -Wno-write-strings to gcc will suppress this warning. share | improve this answer | follow ...
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Editing screenshots in iTunes Connect after iOS app was approved

In the iTunes Connect App Management interface -- how do I edit the screenshots for my localized (approved and live) iPhone app? ...