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Hidden Features of SQL Server

...er developers still don't seem to know about the OUTPUT clause (SQL Server 2005 and newer) on the DELETE, INSERT and UPDATE statement. It can be extremely useful to know which rows have been INSERTed, UPDATEd, or DELETEd, and the OUTPUT clause allows to do this very easily - it allows access to the...
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Execute a terminal command from a Cocoa app

...andardOutput = pipe; An explanation is here: https://web.archive.org/web/20141121094204/https://cocoadev.com/HowToPipeCommandsWithNSTask share | improve this answer | follo...
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MySQL Great Circle Distance (Haversine formula)

...& Google Maps: Here's the SQL statement that will find the closest 20 locations that are within a radius of 25 miles to the 37, -122 coordinate. It calculates the distance based on the latitude/longitude of that row and the target latitude/longitude, and then asks for only rows where the dis...
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What do people find difficult about C pointers? [closed]

... language. – sigjuice Oct 27 '10 at 20:29 3 "Generally giving explicit fictional addresses to the...
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AddRange to a Collection

...| edited Oct 14 '14 at 14:20 TrueWill 23.4k77 gold badges8585 silver badges131131 bronze badges answered...
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JavaScript - cannot set property of undefined

... data: c }; }; If you're in an environment that supports ES2015 features, you can use computed property names: d = { [a]: { greetings: b, data: c } }; share | improve t...
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In c++ what does a tilde “~” before a function name signify?

... | edited Dec 23 '19 at 20:20 answered Sep 8 '09 at 18:24 ...
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Converting string to Date and DateTime

If I have a PHP string in the format of mm-dd-YYYY (for example, 10-16-2003), how do I properly convert that to a Date and then a DateTime in the format of YYYY-mm-dd ? The only reason I ask for both Date and DateTime is because I need one in one spot, and the other in a different spot. ...
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How to deep copy a list?

...mind that copy.deepcopy is incredibly slow relative to list slicing (about 20x). Implementing __deepcopy__ in a class can help speed it up a bit. – ggorlen 1 hour ago add a co...
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How to log PostgreSQL queries?

... Jarret HardieJarret Hardie 79.1k99 gold badges120120 silver badges118118 bronze badges 3 ...