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How do PHP sessions work? (not “how are they used?”)

...on files are usually stored in, say, /tmp/ on the server, and named sess_{session_id} . I have been looking at the contents and cannot figure out how they really work. ...
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Is Using .NET 4.0 Tuples in my C# Code a Poor Design Decision?

...The consumer (not you) has to either guess or look up documentation, especially for things like Tuple<int, int>. I would use them for private/internal members, but use result classes for public/protected members. This answer also has some info. ...
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Setting WPF image source in code

...packUri = "pack://application:,,,/AssemblyName;component/Images/icon.png"; _image.Source = new ImageSourceConverter().ConvertFromString(packUri) as ImageSource; share | improve this answer ...
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NULL values inside NOT IN clause

... @binki, You query executes if run here rextester.com/l/sql_server_online_compiler but does not work if run here sqlcourse.com/cgi-bin/interpreter.cgi. – Istiaque Ahmed Nov 10 '17 at 13:57 ...
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How to check internet access on Android? InetAddress never times out

... Yes, very fast ;-) Is there no reliable way to check internet, other than testing something on the internet? Not as far as I know, but let me know, and I will edit my answer. What if the DNS is down? Google DNS (e.g. 8.8.8.8) is the largest public DNS in the world. As of 2013 it served 130 billio...
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How do I use reflection to call a generic method?

...jects.Length; i++) { ProcessItem((dynamic)objects[i], "test" + i, i); //ProcesItm((dynamic)objects[i], "test" + i, i); //compiler error: The name 'ProcesItm' does not //exist in the current context //ProcessItem((dynamic)objects[i...
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Usage of EnsureSuccessStatusCode and handling of HttpRequestException it throws

...got shut off. Makes it easier to uncover errors when writing integration tests using ConfigureTestContainer<T> Cons Inefficient. If you read the response content, and the content is very long, you will slow the client down. For some clients, with soft real-time response requirements, thi...
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How to remove the arrow from a select element in Firefox

...uch help, I thought it was about time I give something back. I have only tested it in firefox (mac) version 18, and then 22 (after I updated). All feedback is welcome. share | improve this answ...
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What's the difference between equal?, eql?, ===, and ==?

... true if obj and other refer to the same hash key. This is used by Hash to test members for equality. For objects of class Object, eql? is synonymous with ==. Subclasses normally continue this tradition by aliasing eql? to their overridden == method, but there are exceptions. Numeric types, for exam...
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How to prevent vim from creating (and leaving) temporary files?

... I added this to my _vimrc file on Windows, and I'm still getting file~ files. Am I not doing something correctly? – FilBot3 Aug 26 '15 at 14:48 ...