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Why are private fields private to the type, not the instance?

In C# (and many other languages) it's perfectly legitimate to access private fields of other instances of the same type. For example: ...
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Using group by on multiple columns

I understand the point of GROUP BY x . 2 Answers 2 ...
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What does ||= (or-equals) mean in Ruby?

... This question has been discussed so often on the Ruby mailing-lists and Ruby blogs that there are now even threads on the Ruby mailing-list whose only purpose is to collect links to all the other threads on the Ruby mailing-list that discuss this issue. Here's one: The definitive list of ||= ...
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Visual Studio TFS shows unchanged files in the list of pending changes

... a file in pending changes window. I try to compare it with latest version and I get an a message 'The files are identical' If the files are identical why is this file showing up in pending changes window? What changed about this file? Can I configure TFS not to list files that are identical? ...
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Should I use PATCH or PUT in my REST API?

... the one thing to toggle, completely replacing it is not such a huge deal. And it does allow for a (insignificantly) smaller request. – thecoshman Jun 17 '14 at 13:04 37 ...
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Why does 1==1==1 return true, “1”==“1”==“1” return true, and “a...

I tested the above code in Chrome's console and for some reason, a() returns true, b() returns true, and c() returns false. ...
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How to clear/remove observable bindings in Knockout.js?

...form multiple times. Through the user's action, an object/model is created and applied to HTML using ko.applyBindings(). 9 ...
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How to import local packages without gopath

...oject cannot be in $GOPATH. Edit 2: The vendoring method is still valid and works without issue. vendor is largely a manual process, because of this dep and vgo were created. Edit 1: While my old way works it's not longer the "correct" way to do it. You should be using vendor capabilities, vgo...
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Visual Studio 2010 always thinks project is out of date, but nothing has changed

...Enable C++ project system logging to enable debug logging in Visual Studio and let it just tell you what's causing the rebuild: Open the devenv.exe.config file (found in %ProgramFiles%\Microsoft Visual Studio 10.0\Common7\IDE\ or in %ProgramFiles(x86)%\Microsoft Visual Studio 10.0\Common7\IDE\). F...
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Can I have multiple primary keys in a single table?

... In this example, BOTH userid and userdataid are needed to identify/find a unique row. Not sure what the OP's intention was, but I came here looking to see if I could uniquely identify a row with one of a set of keys. For instance, I would like to identif...