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Counting DISTINCT over multiple columns

... you are trying to improve performance, you could try creating a persisted computed column on either a hash or concatenated value of the two columns. Once it is persisted, provided the column is deterministic and you are using "sane" database settings, it can be indexed and / or statistics can be ...
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Clean up a fork and restart it from the upstream

... the push --force). An alternative would be, if you want to preserve your commits on master, to replay those commits on top of the current upstream/master. Replace the reset part by a git rebase upstream/master. You will then still need to force push. See also "What should I do if I’m in a bad si...
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Which is the correct C# infinite loop, for (;;) or while (true)? [closed]

... similar responses offered within seconds of one another. Adam's follow-up comment led me to accepting an answer based on usage rather than convention. – Bob Kaufman Sep 9 '09 at 18:30 ...
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Finding what methods a Python object has

... It's a list comprehension, returning a list of methods where method is an item in the list returned by dir(object), and where each method is added to the list only if getattr(object,method) returns a callable. – Mne...
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Hibernate dialect for Oracle Database 11g?

... edited Aug 8 '16 at 15:46 Community♦ 111 silver badge answered Mar 4 '11 at 4:59 MJBMJB ...
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Sublime Text 2 and 3: open the same file multiple times

... If you want an equivalent keyboard shortcut, use the Command Palette: Ctrl+Shift+P, type "file view", hit Enter – Eric Apr 20 '18 at 12:16 ...
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How do I include a newline character in a string in Delphi?

... add a comment  |  33 ...
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How to elegantly ignore some return values of a MATLAB function?

... edited May 23 '17 at 11:46 Community♦ 111 silver badge answered Apr 14 '09 at 13:04 Jason SJason S ...
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Using Transactions or SaveChanges(false) and AcceptAllChanges()?

...t2.SaveChanges(); //if we get here things are looking good. scope.Complete(); } If context1.SaveChanges() succeeds but context2.SaveChanges() fails the whole distributed transaction is aborted. But unfortunately the Entity Framework has already discarded the changes on context1, so you c...
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Commit only part of a file in Git

When I make changes to a file in Git, how can I commit only some of the changes? 23 Answers ...