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How to execute IN() SQL queries with Spring's JDBCTemplate effectivly?
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edited Apr 3 '17 at 10:34
stivlo
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PHP - Modify current object in foreach loop
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edited Dec 12 '18 at 7:30
lloiacono
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random.seed(): What does it do?
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Eric FinnEric Finn
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What is the proper #include for the function 'sleep()'?
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answered Feb 11 '13 at 18:03
simoncsimonc
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Select SQL Server database size
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232
Try this one -
Query:
SELECT
database_name = DB_NAME(database_id)
, log_size_mb = ...
Eclipse: How do you change the highlight color of the currently selected method/expression?
...is highlight, but after scouring the eclipse preferences many times in all 3 places, I have yet to find it.
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How do I reference a specific issue comment on github?
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3 Answers
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How to count TRUE values in a logical vector
...m(z) # gives you NA
table(z)["TRUE"] # gives you 1
length(z[z == TRUE]) # f3lix answer, gives you 2 (because NA indexing returns values)
So I think the safest is to use na.rm = TRUE:
sum(z, na.rm = TRUE) # best way to count TRUE values
(which gives 1). I think that table solution is less effici...
Most popular screen sizes/resolutions on Android phones [closed]
...king for.
– dfetter88
Jun 7 '11 at 23:07
21
That link says nothing of how common a resolution is....