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Passing Objects By Reference or Value in C#

In C#, I have always thought that non-primitive variables were passed by reference and primitive values passed by value. 7 ...
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Why doesn't 'ref' and 'out' support polymorphism?

...pose you have classes Animal, Mammal, Reptile, Giraffe, Turtle and Tiger, with the obvious subclassing relationships. Now suppose you have a method void M(ref Mammal m). M can both read and write m. Can you pass a variable of type Animal to M? No. That variable could contain a Turtle, b...
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Git submodule head 'reference is not a tree' error

I have a project with a submodule that is pointing to an invalid commit: the submodule commit remained local and when I try to fetch it from another repo I get: ...
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Should I compile with /MD or /MT?

... By dynamically linking with /MD, you are exposed to system updates (for good or ill), your executable can be smaller (since it doesn't have the library embedded in it), and I believe that at very least the code segment of a DLL is shared amongs...
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Updating packages in Emacs

...he list of packages), and then type U x. package-refresh-contents unconditionally tries to download a package list from all repos you've added to package-archives; package-archive-contents is non nil if you have already downloaded the package list. ELPA is the original. I don't think it's really...
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SQL JOIN and different types of JOINs

...follow | edited Mar 7 '18 at 19:23 TylerH 18.1k1212 gold badges6161 silver badges8080 bronze badges ...
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Fastest method to escape HTML tags as HTML entities?

I'm writing a Chrome extension that involves doing a lot of the following job: sanitizing strings that might contain HTML tags, by converting < , > and & to < , > and & , respectively. ...
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F12 no longer works in Visual Studio

... Studio keybindings got mixed up and I had problems sorting them out. If it is only one or two bindings you care about then you can change them by going to the Tools->Customize->Keyboard menu option. share ...
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How to exit in Node.js

What is the command that is used to exit? (i.e terminate the Node.js process) 19 Answers ...
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Difference between maven scope compile and provided for JAR packaging

...e maven scope compile and provided when artifact is built as a JAR? If it was WAR, I'd understand - the artifact would be included or not in WEB-INF/lib. But in case of a JAR it doesn't matter - dependencies aren't included. They have to be on classpath when their scope is compile or provided...