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What is the recommended batch size for SqlBulkCopy?

...t 6M qualified rows, averaging 5 columns of decimal and short text, about 30 bytes per row. Given this scenario, I found a batch size of 5,000 to be the best compromise of speed and memory consumption. I started with 500 and experimented with larger. I found 5000 to be 2.5x faster, on average, tha...
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Booleans, conditional operators and autoboxing

...onditional expression is the result of applying capture conversion (§5.1.10) to lub(T1, T2) (§15.12.2.7). S1 == <special null type> (see §4.1) S2 == boolean T1 == box(S1) == <special null type> (see last item in list of boxing conversions in §5.1.7) T2 == box(S2) == `Boolean lub(...
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Convert blob URL to normal URL

...URL like this: "blob:http%3A//localhost%3A8383/568233a1-8b13-48b3-84d5-cca045ae384f" How can I convert it to a normal address? ...
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How do I declare and assign a variable on a single line in SQL

... answered Aug 19 '10 at 19:40 OdedOded 452k8484 gold badges820820 silver badges963963 bronze badges ...
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MySQL get the date n days ago as a timestamp

In MySQL, how would I get a timestamp from, say 30 days ago? 3 Answers 3 ...
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django urls without a trailing slash do not redirect

... 101 check your APPEND_SLASH setting in the settings.py file more info in the django docs ...
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C# - Attribute to Skip over a Method while Stepping in Debug Mode

... answered Jan 15 '09 at 0:59 Andrew RollingsAndrew Rollings 13.4k55 gold badges4848 silver badges5050 bronze badges ...
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Python Pandas merge only certain columns

... | edited Oct 27 '15 at 7:05 beroe 9,60744 gold badges2828 silver badges6464 bronze badges answered Jul ...
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How to preserve line breaks when storing a command output to a variable in bash?

...ypal singh 65.1k1919 gold badges9292 silver badges130130 bronze badges ...
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How do I add more members to my ENUM-type column in MySQL?

... 140 ALTER TABLE `table_name` MODIFY COLUMN `column_name2` enum( 'existing_value1', ...