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What makes JNI calls slow?
...omething that can take tens of nanoseconds. For trivial native methods, in 2010 I measured calls at an average 40 ns on my Windows desktop, and 11 ns on my Mac desktop. Unless you're making many calls, you're not going to notice.
That said, calling a native method can be slower than making a normal...
Scala Doubles, and Precision
...or round a Double? At one point in my code I would like a number like: 1.23456789 to be rounded to 1.23
12 Answers
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How to get rid of blank pages in PDF exported from SSRS
...hen I exported it to PDF it was taking 4 pages due to its width, where the 2nd and 4th pages were displaying one of my fields from the table. I tried to set the layout size in report properties as width=18in and height =8.5in.
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OR is not supported with CASE Statement in SQL Server
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That format requires you to use either:
CASE ebv.db_no
WHEN 22978 THEN 'WECS 9500'
WHEN 23218 THEN 'WECS 9500'
WHEN 23219 THEN 'WECS 9500'
ELSE 'WECS 9520'
END as wecs_system
Otherwise, use:
CASE
WHEN ebv.db_no IN (22978, 23218, 23219) THEN 'WECS 9500'
ELSE 'WECS...
How can I create tests in Android Studio?
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Is it considered acceptable to not call Dispose() on a TPL Task object?
...ikely better to rely on finalization to take care of things.
Update (Oct 2012)
Stephen Toub has posted a blog titled Do I need to dispose of Tasks? which gives some more detail, and explains the improvements in .Net 4.5.
In summary: You don't need to dispose of Task objects 99% of the time.
Ther...
How to print instances of a class using print()?
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answered Oct 8 '09 at 2:39
Chris LutzChris Lutz
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Comment out text in R Markdown (Rmd file)
...red Jun 11 '13 at 14:50
user1981275user1981275
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Can someone copyright a SQL query? [closed]
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72 Answers
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