Levi Notik levinotik
levinotik
/ foldLeftViaFoldRight.scala
Created
August 21, 2013 14:32
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| def foldLeftViaFoldRight[A, B](l: List[A], z: B)(f: (B, A) => B): B = { | |
| foldRight(l, (b:B) => b)((a,g) => b => g(f(b,a)))(z) | |
| } |
levinotik
/ foldLeft.scala
Created
August 21, 2013 14:27
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| def foldLeft[A,B](l: List[A], z: B)(f: (B, A) => B): B |
levinotik
/ foldright.scala
Created
August 21, 2013 14:17
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| def foldRight[A, B](l: List[A], z: B)(f: (A, B) => B): B = l match { | |
| case Nil => z | |
| case Cons(x, xs) => f(x, foldRight(xs, z)(f)) | |
| } |
levinotik
/ data.char.txt
Created
July 11, 2013 02:06
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| Prelude Data.Char> import Data.Char | |
| Prelude Data.Char> map Char.toUpper "hello" | |
| <interactive>:12:5: | |
| Failed to load interface for `Char' | |
| It is a member of the hidden package `haskell98-2.0.0.1'. | |
| Use -v to see a list of the files searched for. |
levinotik
/ classes.scala
Created
July 9, 2013 03:42
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| case class AddressComponent(long_name: String, short_name: String, types: List[String]) | |
| case class Location(lat: Double, lng: Double) | |
| case class Bounds(northeast: Location, southwest: Location) | |
| case class Viewport(northeast: Location, southwest: Location) | |
| case class Geometry(bounds: Bounds, location: Location, location_type: String, viewport: Viewport) |
levinotik
/ messy.scala
Created
July 9, 2013 03:40
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| case class GeoData(geocode: GoogleGeocodeResult, elevation: GoogleApiResult[Elevation]) { | |
| def city: Option[String] = { | |
| if (geocode.results.isEmpty) { | |
| None | |
| } else if (geocode.results.head.address_components.isEmpty) { | |
| None | |
| } else { | |
| geocode.results.head.address_components.find(a=> a.types.contains("neighborhood")) match { | |
| case None => None | |
| case Some(result) => Some(result.long_name) |
levinotik
/ gist:5952596
Created
July 8, 2013 21:19
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| case class GoogleApiResult(results: Results, status: String) | |
| case class AddressComponent(long_name: String, short_name: String, types: List[String]) | |
| case class Location(lat: Double, lng: Double) | |
| case class Bounds(northeast: Location, southwest:Location) | |
| case class Viewport(northeast: Location, southwest:Location) | |
| case class Geometry(bounds: Bounds, location: Location, locationType: String, viewport: Viewport) | |
| case class Results(address_components: List[AddressComponent], formatted_address:String, geometry: Geometry, types: List[String]) | |
| import SprayJsonSupport._ |
levinotik
/ json.scala
Created
July 8, 2013 20:13
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| case class GoogleApiResult[T](status: String, results: List[T]) | |
| case class AddressComponent(longName: String, shortName: String, types: List[String]) | |
| case class Location(lat: Double, lng: Double) | |
| case class Bounds(northeast: Location, southwest:Location) | |
| case class Viewport(northeast: Location, southwest:Location) | |
| case class Geometry(bounds: Bounds, location: Location, locationType: String, viewport: Viewport) | |
| object MyJsonProtocol extends DefaultJsonProtocol { | |
| implicit val locationFormat = jsonFormat2(Location) | |
| implicit val boundsFormat = jsonFormat2(Bounds) |
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| { | |
| "results": [ | |
| { | |
| "address_components": [ | |
| { | |
| "long_name": "11691", | |
| "short_name": "11691", | |
| "types": [ | |
| "postal_code" | |
| ] |
levinotik
/ gist:5832130
Created
June 21, 2013 15:47
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| [info] Starting application in the background ... | |
| java.util.NoSuchElementException: None.get | |
| at scala.None$.get(Option.scala:274) | |
| at scala.None$.get(Option.scala:272) | |
| at spray.revolver.Actions$.startApp(Actions.scala:45) | |
| at spray.revolver.Actions$.restartApp(Actions.scala:37) | |
| at spray.revolver.RevolverPlugin$Revolver$$anonfun$settings$1$$anonfun$apply$1.apply(RevolverPlugin.scala:34) | |
| at spray.revolver.RevolverPlugin$Revolver$$anonfun$settings$1$$anonfun$apply$1.apply(RevolverPlugin.scala:34) | |
| at sbt.Scoped$$anonfun$hf7$1.apply(Structure.scala:583) | |
| at sbt.Scoped$$anonfun$hf7$1.apply(Structure.scala:583) |