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The SQL OVER() clause - when and why is it useful?

I read about that clause and I don't understand why I need it. What does the function Over do? What does Partitioning By do? Why can't I make a query with writing Group By SalesOrderID ? ...
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How to edit multi-gigabyte text files? Vim doesn't work =( [closed]

... loading small portions into memory at once? It doesn't seem like Vim can handle it =( 15 Answers ...
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Scanner vs. BufferedReader

...from the contents of the stream while BufferedReader just reads the stream and does not do any special parsing. In fact you can pass a BufferedReader to a scanner as the source of characters to parse. share | ...
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How do I ALTER a PostgreSQL table and make a column unique?

..._constraint UNIQUE ((payload::text), name); – writofmandamus Oct 6 '17 at 22:22 add a comment...
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How to get a subset of a javascript object's properties

... Using Object Destructuring and Property Shorthand const object = { a: 5, b: 6, c: 7 }; const picked = (({ a, c }) => ({ a, c }))(object); console.log(picked); // { a: 5, c: 7 } From Philipp Kewisch: This is really just an anon...
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remove None value from a list without removing the 0 value

...mbda x: x is not None, L) -- You could get rid of the lambda using partial and operator.is_not I think, but it's probably not worth it since the list-comp is so much cleaner. – mgilson Apr 19 '13 at 3:36 ...
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CSS selector for other than the first child and last child

...it possible to select all the other children except for the :first-child and the :last-child ? I know there is a :not() selector but it doesn't work with more than one not in the parentheses. This is what I have: ...
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Hiding textarea resize handle in Safari

I'm using textarea components in my application, and I control their height dynamically. As the user types, the height is increased whenever there is enough text. This works fine on IE, Firefox, and Safari. ...
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How to call Makefile from another Makefile?

...rom another. I have two makefiles, one called /path/to/project/makefile and one called /path/to/project/gtest-1.4.0/make/Makefile . I'm attempting to have the former call the latter. In /path/to/project/makefile, I have ...
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Javascript equivalent of Python's zip function

...0col0","row1col0"], ["row0col1","row1col1"], ["row0col2","row1col2"]] (and FizzyTea points out that ES6 has variadic argument syntax, so the following function definition will act like python, but see below for disclaimer... this will not be its own inverse so zip(zip(x)) will not equal x; thoug...