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.NET - Dictionary locking vs. ConcurrentDictionary

... a can from a pyramid-can while a clerk is currently building the pyramid, all hell would break loose. Or, what if two customers reaches for the same item at the same time, who wins? Will there be a fight? This is a non-threadsafe-collection. There's plenty of ways to avoid problems, but they all re...
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How to loop through all enum values in C#? [duplicate]

...rough an extra iterator (.Cast<Foos>), and (2) you don't need to box all the values and unbox them again. Şafak's cast will remain valid as long as they don't change the array type returned to some other type (like object[]). But we can be completely sure they won't because (a) it would lose ...
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How to remove all the null elements inside a generic list in one go?

Is there a default method defined in .Net for C# to remove all the elements within a list which are null ? 7 Answers ...
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View all TODO items in Visual Studio using GhostDoc

I'm also using GhostDoc in Visual Studio 2008. How do I view all to-do items and if that's a function already in Visual Studio or in GhostDoc (the documentation tool that I use)? ...
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“Treat all warnings as errors except…” in Visual Studio

...rs" exists. It should be available in project settings without to edit manually the file. Thanks. – AFract Oct 23 '18 at 9:03 1 ...
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How to work with Git branches and Rails migrations

...s and many of them include db migrations. We try to be careful but occasionally some piece of code in master asks for a column that got removed/renamed in another branch. ...
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Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference

Given the following examples, why is outerScopeVar undefined in all cases? 6 Answers ...
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Prefer composition over inheritance?

... Prefer composition over inheritance as it is more malleable / easy to modify later, but do not use a compose-always approach. With composition, it's easy to change behavior on the fly with Dependency Injection / Setters. Inheritance is more rigid as most languages do not allo...
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Difference between SurfaceView and View?

... Views are all drawn on the same GUI thread which is also used for all user interaction. So if you need to update GUI rapidly or if the rendering takes too much time and affects user experience then use SurfaceView. ...
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How to “EXPIRE” the “HSET” child key in redis?

I need to expire all keys in redis hash, which are older than 1 month. 11 Answers 11 ...