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Query for array elements inside JSON type
...ed answer:
Query for element of array in JSON column
jsonb in Postgres 9.4+
Use the equivalent jsonb_array_elements().
Better yet, use the new "contains" operator @> (best in combination with a matching GIN index on the expression data->'objects'):
CREATE INDEX reports_data_gin_idx ON report...
What is the Scala identifier “implicitly”?
...22(1) //
res23: AnyRef{def min(i: Int): Int} = 1
scala> .getClass
res24: java.lang.Class[_] = class scala.runtime.RichInt
Implicit Views can also be triggered when an expression does not conform to the Expected Type, as below:
scala> 1: scala.runtime.RichInt
res25: scala.runtime.RichInt =...
How do I change the highlight style in Vim spellcheck?
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Matthias Braun
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answered May 15 '11 at 14:35
ZyXZyX
47....
The Ruby %r{ } expression
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– Steven Hirlston
May 18 '15 at 18:42
1
It's almost as if ruby was designed to write as horrible...
Batch not-equal (inequality) operator
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edited Aug 20 '18 at 8:54
Uwe Keim
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answe...
Going to a specific line number using Less in Unix
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edited Sep 15 '14 at 15:20
jameshfisher
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MAC addresses in JavaScript
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answered Aug 14 '08 at 6:21
Grey PantherGrey Panther
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emacs/elisp: What is the hash (pound, number sign, octothorp) symbol used for?
... then you have its use for denoting the base for integers, e.g. #x2c -> 44.
Plus more I'm sure.
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intellij - spring is not being recognized (Unmapped Spring configuration)
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answered May 13 '14 at 9:12
JonnyRaaJonnyRaa
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Editing legend (text) labels in ggplot
...blue", "red")) +
theme_bw() +
theme(axis.text.x = element_text(size = 14), axis.title.x = element_text(size = 16),
axis.text.y = element_text(size = 14), axis.title.y = element_text(size = 16),
plot.title = element_text(size = 20, face = "bold", color = "darkgreen"))
this resul...