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Check if a Postgres JSON array contains a string
...rom rabbits where (info->'food')::jsonb ? 'carrots';
Execution time: 1255.501 ms
d=# alter table rabbits alter info type jsonb using info::jsonb;
d=# explain analyze select info->'name' from rabbits where info->'food' ? 'carrots';
Execution time: 465.919 ms
d=# create index on rabbits u...
How to center the content inside a linear layout?
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edited Apr 28 '17 at 7:54
answered Aug 5 '13 at 6:04
Nae...
Prevent redirection of Xmlhttprequest
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edited Jun 20 '12 at 20:59
Gili
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Where does Xcode 4 store Scheme Data?
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185
Finally found the answer on somebody's Twitter. Schemes are stored per user by default, but if y...
How to style CSS role
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answered Oct 15 '12 at 9:27
syncsync
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How to deal with “data of class uneval” error from ggplot2?
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165
when you add a new data set to a geom you need to use the data= argument. Or put the arguments i...
Passport.js - Error: failed to serialize user into session
...ing JWT
– Internial
Oct 30 '17 at 2:54
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What does the exclamation mark mean in a Haskell declaration?
...data Foo = Foo Int Int !Int !(Maybe Int)
f = Foo (2+2) (3+3) (4+4) (Just (5+5))
The function f above, when evaluated, will return a "thunk": that is, the code to execute to figure out its value. At that point, a Foo doesn't even exist yet, just the code.
But at some point someone may try to look...
Printing newlines with print() in R
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Gavin SimpsonGavin Simpson
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