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Get MIME type from filename extension

... looks like you can officially expand the mime types list via the exposed Mappings property. Use the MimeTypes NuGet package Copy the MimeMappings file from the reference source of the .NET Framework For .NET Framework >= 4.5: Use the System.Web.MimeMapping.GetMimeMapping method, that is part...
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Django: multiple models in one template using forms [closed]

I'm building a support ticket tracking app and have a few models I'd like to create from one page. Tickets belong to a Customer via a ForeignKey. Notes belong to Tickets via a ForeignKey as well. I'd like to have the option of selecting a Customer (that's a whole separate project) OR creating a new ...
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Amazon S3 CORS (Cross-Origin Resource Sharing) and Firefox cross-domain font loading

... with Amazon S3 CORS config can shed some lights on this, it'll be greatly appreciated. <?xml version="1.0" encoding="UTF-8"?> <CORSConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/"> <CORSRule> <AllowedOrigin>https://mydomain.com</AllowedOrigin>...
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Do asynchronous operations in ASP.NET MVC use a thread from ThreadPool on .NET 4

...st could be executed by two different threads. Now the interesting part happens inside the IndexAsync method. If you have a blocking operation inside it, you are totally wasting the whole purpose of the asynchronous controllers because you are blocking the worker thread (remember that the body of ...
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Non-Relational Database Design [closed]

...al relational design or SQL (such as Hypertable, CouchDB, SimpleDB, Google App Engine datastore, Voldemort, Cassandra, SQL Data Services, etc.). They're also often referred to as "key/value stores", and at base they act like giant distributed persistent hash tables. ...
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Android: Difference between onInterceptTouchEvent and dispatchTouchEvent?

... the touch point coordinates. But before it can dispatch the event to the appropriate child view, the parent can spy and/or intercept the event all together. This is what onInterceptTouchEvent is there for. So it calls this method first before doing the hit testing and if the event was hijacked (by...
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Why not inherit from List?

... @Mehrdad: Honestly, if your application requires that you care about the performance burden of, say, virtual methods, then any modern language (C#, Java, etc) is not the language for you. I have a laptop right here that could run a simulation of every a...
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Volatile vs. Interlocked vs. lock

... ARE CONCURRENTLY SAFE ON ANY NUMBER OF COREs OR CPUs. Interlocked methods apply a full fence around instructions they execute, so reordering does not happen. Interlocked methods do not need or even do not support access to a volatile field, as volatile is placed a half fence around operations on gi...
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Iterate over model instance field names and values in template

...chaelB Hmm. I have not been able to get "field.value" to work; the fields appear to be database fields, not the actual column data. I had to use a filter which called getattr(object, name). Which version of Django does that work for you? – Dr. Ernie Apr 1 '1...
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Entity Framework: One Database, Multiple DbContexts. Is this a bad idea? [closed]

... that a DbContext is meant to represent your database, and thus, if your application uses one database, you'd want only one DbContext . ...