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Entity Framework and Connection Pooling

...ecently started to use the Entity Framework 4.0 in my .NET 4.0 application and am curious about a few things relating to pooling. ...
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Does const mean thread-safe in C++11?

...ad-safe in C++11. Is that true? It is somewhat true... This is what the Standard Language has to say on thread-safety: [1.10/4] Two expression evaluations conflict if one of them modifies a memory location (1.7) and the other one accesses or modifies the same memory location. [1.10/21] The executi...
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How to check which locks are held on a table

...first block that caused the other blocks. Edit to add comment from @MikeBlandford: The blocked column indicates the spid of the blocking process. You can run kill {spid} to fix it. share | im...
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RRSet of type CNAME with DNS name foo.com. is not permitted at apex in zone bar.com

I own foo.com and bar.com . I am managing both in Route53. foo.com hosts my site, and I'd like to direct traffic from bar.com to foo.com . I tried to set up a CNAME record for bar.com pointing to foo.com , but I got the error message: ...
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Why XML-Serializable class need a parameterless constructor

...e for de-serializing an object creates an instance of the serialized class and then proceeds to populate the serialized fields and properties only after acquiring an instance to populate. You can make your constructor private or internal if you want, just so long as it's parameterless. ...
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When should I use malloc in C and when don't I?

I understand how malloc() works. My question is, I'll see things like this: 6 Answers ...
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Get last element of Stream/List in a one-liner

...ch element will be returned. The implementation works for both sequential and parallel streams. That might be surprising at first glance, and unfortunately the documentation doesn't state it explicitly. However, it is an important feature of streams, and I try to clarify it: The Javadoc for the m...
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Why does direction of index matter in MongoDB?

... MongoDB concatenates the compound key in some way and uses it as the key in a BTree. When finding single items - The order of the nodes in the tree is irrelevant. If you are returning a range of nodes - The elements close to each other will be down the same branches of th...
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What is the difference between customErrors and httpErrors?

What is the difference between the customErrors and httpErrors sections of the web.config file in ASP.NET MVC applications? ...
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How to prevent Browser cache for php site

...dd new files css, js or images the browser is loading the same old js, css and image files stored in cache. 5 Answers ...