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What exactly is an “open generic type” in .NET? [duplicate]

I was going through Asp.Net MVC lesson and learned that, for a method to qualify as an action for a controller, 4 Answer...
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Can we make unsigned byte in Java

...igned byte in unsigned. The problem is the data I am receiving is unsigned and Java does not support unsigned byte, so when it reads the data it treats it as signed. ...
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Why is enum class preferred over plain enum?

...ce between the two? enum classes - enumerator names are local to the enum and their values do not implicitly convert to other types (like another enum or int) Plain enums - where enumerator names are in the same scope as the enum and their values implicitly convert to integers and other types Ex...
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Which is more efficient: Multiple MySQL tables or one large table?

...inally it was set up in various tables meaning data is linked with UserIds and outputting via sometimes complicated calls to display and manipulate the data as required. Setting up a new system, it almost makes sense to combine all of these tables into one big table of related content. ...
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Simple explanation of clojure protocols

I'm trying to understand clojure protocols and what problem they are supposed to solve. Does anyone have a clear explanation of the whats and whys of clojure protocols? ...
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How to get the part of a file after the first line that matches a regular expression?

...g the TERMINATE regular expression (like grep) to the end of the file ($), and p is the print command which prints the current line. This will print from the line that follows the line matching TERMINATE till the end of the file: (from AFTER the matching line to EOF, NOT including the matching line...
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How can I mix LaTeX in with Markdown? [closed]

I've been using Markdown for class notes, and it's great. I even do some preprocessing on the Markdown so I can do things like tables. But this term I'm teaching a class with a lot of math, and I'd love to be able to put LaTeX formulas with Markdown, something like this: ...
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What is Objective C++? [closed]

What is Objective C++ and can I use this language in Xcode? 3 Answers 3 ...
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Is there a “null coalescing” operator in JavaScript?

...t now supports the nullish coalescing operator (??). It returns its right-hand-side operand when its left-hand-side operand is null or undefined, and otherwise returns its left-hand-side operand. Please check compatibility before using it. The JavaScript equivalent of the C# null coalescing ope...
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Multiple GitHub Accounts & SSH Config

... Andy Lester's response is accurate but I found an important extra step I needed to make to get this to work. In trying to get two profiles set up, one for personal and one for work, my ~/.ssh/config was roughly as follows: H...