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Why must we define both == and != in C#?

..., you can compile this into a working library. This is legal code for F#, and only overloads the equality operator, not the inequality: module Module1 type Foo() = let mutable myInternalValue = 0 member this.Prop with get () = myInternalValue and set (value) = myInternalVa...
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What is JSON and why would I use it?

I've looked on wikipedia and Googled it and read the official documentation, but I still haven't got to the point where I really understand what JSON is, and why I'd use it. ...
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Is Python interpreted, or compiled, or both?

From my understanding: 11 Answers 11 ...
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What's the difference between “STL” and “C++ Standard Library”?

... (I'm paraphrasing) the STL term is misused to refer to the entire C++ Standard Library instead of the parts that were taken from SGI STL. ...
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Break a previous commit into multiple commits

Without creating a branch and doing a bunch of funky work on a new branch, is it possible to break a single commit into a few different commits after it's been committed to the local repository? ...
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When - and why - should you store data in the Windows Registry?

... changes to those options, can't easily port them from machine to machine, and it all makes me really yearn for the good old days of .INI files... ...
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Why would you use Oracle database? [closed]

...ho know any other db hate Oracle, those that don't assume that all DB code and/or ORM tools are difficult to use. If I started a business that I believed was going to scale to Amazon proportions I might consider NoSQL solutions, otherwise I'd choose PostgreSQL, SQL Server (or indeed even Sybase now...
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Set environment variables on Mac OS X Lion

... idea where these files are, how to create them if I have to do that, etc, and also why there seem to be so many different ones (why? Do they do different things?) ...
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Why are joins bad when considering scalability?

...rk unit. To scale well, you don't do anything you don't need to in volume, and the things you actually do you make sure are done as efficiently as possible. In that context, of course joining two separate data sources is relatively slow, at least compared to not joining them, because it's work you n...
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How to change Android version and code version number?

How to change Android version and code version number Android Studio? I want to change apk file (app) on Google Play and I need to change Android version and code version number. I tried with this in AndroidManifest.xml file in Android Studio: ...