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Are parallel calls to send/recv on the same socket valid?

...POSIX send/recv then yes, you can call them simultaneously from multiple threads and things will work. This doesn't necessarily mean that they'll be executed in parallel -- in the case of multiple sends, the second will likely block until the first completes. You probably won't notice this much, a...
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What's the difference between django OneToOneField and ForeignKey?

...want different reporters to work on the same article. This means that when readers go and read an article they will se only one author in the article. For example: Article by John, Article by Harry, Article by Rick. You can not have Article by Harry & Rick because the boss does not want two or ...
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How do I check for a network connection?

... That is not reliable. read stackoverflow.com/a/25779403/2377343 – T.Todua Sep 9 '19 at 11:17  |  ...
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Enums and Constants. Which to use when?

I was doing some reading on enums and find them very similar to declaring constants. How would I know when to use a constant rather than an enum or vice versa. What are some of the advantages of using enums? ...
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The apk must be signed with the same certificates as the previous version

... Nothing. Read the documentation: Publishing Updates on Android Market Before uploading the updated application, be sure that you have incremented the android:versionCode and android:versionName attributes in the element of the ma...
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Access parent DataContext from DataTemplate

... had problems with the relative source in Silverlight. After searching and reading I did not find a suitable solution without using some additional Binding library. But, here is another approach for gaining access to the parent DataContext by directly referencing an element of which you know the dat...
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What are the rules for calling the superclass constructor?

... This answer is somewhat confusing even though I have read over it a couple of times and took a look at the linked to question. I think that what it is saying is that if you use an explicit call to a parent class or super class constructor in the body of a derived class, this i...
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How to return a file using Web API?

... new StreamContent(new FileStream(localFilePath, FileMode.Open, FileAccess.Read)); response.Content.Headers.ContentDisposition = new System.Net.Http.Headers.ContentDispositionHeaderValue("attachment"); response.Content.Headers.ContentDisposition.FileName = fileName; response.Content.Head...
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Find running median from a stream of integers

Solution I have read: We can use a max heap on left side to represent elements that are less than the effective median, and a min heap on right side to represent elements that are greater than the effective median. ...
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Type List vs type ArrayList in Java [duplicate]

... been used in the codebase that would also require restructuring. You can read about the List implementations here. You may start with an ArrayList, but soon after discover that another implementation is the more appropriate choice. ...