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Reduce, fold or scan (Left/Right)?
...e first argument res of our binary operator minus:
val xs = List(1, 2, 3, 4)
def minus(res: Int, x: Int) = {
println(s"op: $res - $x = ${res - x}")
res - x
}
xs.reduceLeft(minus)
// op: 1 - 2 = -1
// op: -1 - 3 = -4 // de-cumulates value -1 in *first* operator arg `res`
// op: -4 - 4 = -8
//...
git command to show all (lightweight) tags creation dates
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edited Apr 20 '16 at 20:46
ndmeiri
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answered ...
Is there any way to view the currently mapped keys in Vim?
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243
You can do that with the :map command. There are also other variants.
:nmap for normal mode m...
CocoaPods and GitHub forks
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edited Nov 29 '18 at 22:48
answered Jan 5 '14 at 19:17
Aa...
Rails: How to list database tables/objects using the Rails console?
...on Swett
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answered Jan 20 '10 at 2:29
cwninjacwninja
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List of encodings that Node.js supports
...ist of encodings that node supports natively is rather short:
ascii
base64
hex
ucs2/ucs-2/utf16le/utf-16le
utf8/utf-8
binary/latin1 (ISO8859-1, latin1 only in node 6.4.0+)
If you are using an older version than 6.4.0, or don't want to deal with non-Unicode encodings, you can recode the string:
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What limits does scala place on the “acceptable complexity” of inferred types?
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answered Feb 4 '13 at 12:38
retronymretronym
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how to override left:0 using CSS or Jquery?
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Jan HančičJan Hančič
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Checking oracle sid and database name
...van den Akker
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answered Jun 9 '11 at 4:46
V4VendettaV4Vendetta
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Erratic hole type resolution
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answered May 20 '14 at 20:32
ajayajay
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