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What's wrong with nullable columns in composite primary keys?

... answered Dec 22 '08 at 11:46 TomalakTomalak 294k6060 gold badges474474 silver badges577577 bronze badges ...
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Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?

... 1107 If you have several versions of Python installed, /usr/bin/env will ensure the interpreter used...
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Which Python memory profiler is recommended? [closed]

... 290 Heapy is quite simple to use. At some point in your code, you have to write the following: from...
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How can I propagate exceptions between threads?

...exception: " << ex.what() << "\n"; } } return 0; } Because in your case you have multiple worker threads, you will need to keep one exception_ptr for each of them. Note that exception_ptr is a shared ptr-like pointer, so you will need to keep at least one exception_pt...
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iOS start Background Thread

... dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ [self getResultSetFromDB:docids]; }); GCD is a newer technology, and is more efficient in terms of memory overhead and lines of code. Updated with a hat tip to Chris Nolet, who suggested a change that makes th...
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Distributed sequence number generation?

... +100 OK, this is a very old question, which I'm first seeing now. You'll need to differentiate between sequence numbers and unique IDs th...
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Find all storage devices attached to a Linux machine [closed]

... Giacomo1968 23.3k1010 gold badges5858 silver badges8787 bronze badges answered Oct 14 '08 at 13:11 Steve BakerSteve Bak...
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CSS strikethrough different color from text?

... | edited Jul 9 '16 at 20:17 answered Jul 10 '09 at 3:36 ...
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LINQ order by null column where order is ascending and nulls should be last

... 10 Answers 10 Active ...
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Determine whether JSON is a JSONObject or JSONArray

... Json Array – Shreyash Mahajan Dec 20 '12 at 5:05 2 ...