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What does `:_*` (colon underscore star) do in Scala?
...alled as
new Elem(prefix, label, attributes, scope,
child1, child2, ... childN)
but here there is only a sequence, not child1, child2, etc. so this allows the result sequence to be used as the input to the constructor.
Happy coding.
1 This doesn't have a cutesy-name in the SLS, but h...
How do you create optional arguments in php?
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256
Much like the manual, use an equals (=) sign in your definition of the parameters:
function d...
SSL Error: unable to get local issuer certificate
I'm having trouble configuring SSL on a Debian 6.0 32bit server. I'm relatively new with SSL so please bear with me. I'm including as much information as I can.
Note: The true domain name has been changed to protect the identity and integrity of the server.
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Show control hierarchy in the WinForms designer
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edited Jul 25 '16 at 17:18
mschr
8,05133 gold badges1818 silver badges3535 bronze badges
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Ruby on Rails: getting the max value from a DB column
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2 Answers
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Haskell error parse error on input `='
...r below, you need a let to define things in it.
Prelude> let f x = x * 2
Prelude> f 4
8
Starting from GHC 8.0.1, top-level bindings are supported in GHCi, so OP's code will work without change.
GHCi, version 8.0.1.20161213: http://www.haskell.org/ghc/ :? for help
Prelude> f x = x * 2
P...
Show MySQL host via SQL Command
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200
To get current host name :-
select @@hostname;
show variables where Variable_name like '%host...
Escape single quote character for use in an SQLite query
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298
Try doubling up the single quotes (many databases expect it that way), so it would be :
INSER...
Rename specific column(s) in pandas
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edited May 23 '17 at 12:34
Community♦
111 silver badge
answered Nov 3 '13 at 21:32
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What is the different between 'Auto' and '*' when setting width/height for a grid column?
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202
We're talking in the context of WPF Grid here? My answer will talk about columns, but the same...