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What is SELF JOIN and when would you use it? [duplicate]

...mployeeID, e1.FirstName, e1.LastName, e1.SupervisorID, e2.FirstName as SupervisorFirstName, e2.LastName as SupervisorLastName from Employee e1 left outer join Employee e2 on e1.SupervisorID = e2.EmployeeID ...
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What is the point of the diamond operator () in Java 7?

... 502 The issue with List<String> list = new LinkedList(); is that on the left hand side, you...
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Could you explain STA and MTA?

... | edited Apr 13 '17 at 21:21 Ry-♦ 192k4444 gold badges392392 silver badges403403 bronze badges answ...
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How to organize large R programs?

... Section 6. Otherwise, I tend to use defaults in Emacs' ESS mode. Update 2008-Aug-13: David Smith just blogged about the Google R Style Guide. share | improve this answer | ...
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Purpose of Unions in C and C++

... 421 The purpose of unions is rather obvious, but for some reason people miss it quite often. The...
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How to try convert a string to a Guid [duplicate]

...eppieleppie 107k1616 gold badges181181 silver badges287287 bronze badges 3 ...
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Why can't I use the 'await' operator within the body of a lock statement?

...Lippert 599k164164 gold badges11551155 silver badges20142014 bronze badges 197 ...
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iphone: Where the .dSYM file is located in crash report

... 259 Right Click on your archive -> Show in Finder -> Right click on file and click on Show ...
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What's a reliable way to make an iOS app crash?

... | edited May 23 '17 at 11:46 Community♦ 111 silver badge answered Nov 22 '12 at 10:36 ...
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How to center buttons in Twitter Bootstrap 3?

...gt; </div> Edit As of BootstrapV4, center-block was dropped #19102 in favor of m-*-auto share | improve this answer | follow | ...