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Proper Linq where clauses

...y makes depends on the implementation of Where being called. If it's a SQL-based provider, I'd expect the two to end up creating the same SQL. If it's in LINQ to Objects, the second will have fewer levels of indirection (there'll be just two iterators involved instead of four). Whether those levels ...
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log4j vs logback [closed]

...was inspired by Logback but also by other logging frameworks. But the code base is different; it shares almost nothing with Log4j 1 and zero with Logback. This lead to some improvements like in example Log4j 2 operates with bytestreams instead of Strings under the hood. Also it doesn't loose events ...
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Do SVG docs support custom data- attributes?

... @matt I don't think so, at least based On the stabndard. – collapsar May 1 '14 at 12:03 1 ...
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What is N-Tier architecture?

...that uses middleware to service data requests between a user and a database employs multi-tier architecture. The most widespread use of "multi-tier architecture" refers to three-tier architecture. It's debatable what counts as "tiers," but in my opinion it needs to at least cross the p...
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How do I set a column value to NULL in SQL Server Management Studio?

... I think @Zack properly answered the question but just to cover all the bases: Update myTable set MyColumn = NULL This would set the entire column to null as the Question Title asks. To set a specific row on a specific column to null use: Update myTable set MyColumn = NULL where Field = Co...
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Why use a prime number in hashCode?

... So 31 is chosen based on the assumption that hash table implementors know that 31 is commonly used in hash codes? – Steve Kuo Aug 31 '10 at 21:50 ...
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How to add a second css class with a conditional value in razor MVC 4

...uite some time to find out how to render a second css class on an element, based on a conditional razor expression. I would like to share it with you. ...
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std::unique_ptr with an incomplete type won't compile

...mplete type is undefined behaviour? So, if possible I would define a very base object to all your objects, with virtual destructor. And you're almost good. You just should keep in mind that system will call virtual destructor for your pointer, so you should define it for every ancestor. You should ...
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Rails CSRF Protection + Angular.js: protect_from_forgery makes me to log out on POST

...rify that the cookie matches X-XSRF-TOKEN HTTP header Here is my solution based on those instructions: First, set the cookie: # app/controllers/application_controller.rb # Turn on request forgery protection protect_from_forgery after_action :set_csrf_cookie def set_csrf_cookie cookies['XSRF-TO...
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Why is Spring's ApplicationContext.getBean considered bad?

...an in this way - and the beans it creates can be different implementations based on the ApplicationContext initially injected. For instance, I have a scenario where I dynamically create new bean instances based on a bean name that is unknown at compile time but matches one of the implementations def...