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James Thompson jamesthompson
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| let | |
| region = "us-west-2"; | |
| accessKeyId = "CORRECTAWSKEY"; | |
| defaults = | |
| { config, pkgs, resources, ... }: | |
| { deployment.targetEnv = "ec2"; | |
| deployment.ec2.accessKeyId = accessKeyId; | |
| deployment.ec2.region = region; |
jamesthompson
/ EncodingCheck.scala
Created
March 24, 2015 16:56
Testing JSON encoding using Lenses and Arbitrary Generators
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| import argonaut._, Argonaut._ | |
| import org.scalacheck._, Prop._ | |
| import scalaz._, Scalaz._ | |
| object EncodingTestExample extends Properties("Encoding Json Test Example") { | |
| case class Vehicle( | |
| wheelsCount: Option[Int], | |
| engineParts: List[String] | |
| ) |
jamesthompson
/ RedisFreeAlgebra
Created
January 19, 2015 22:00
An example toy algebra for Redis actions
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| // This should work with Scala 2.10.4 & scalaz 7.1, core, effect and concurrent packages | |
| import scalaz.{ concurrent, Free, Functor, Monad, syntax } | |
| import concurrent.Task | |
| import Free.{freeMonad => _, _} | |
| import syntax.monad._ | |
| // Describe the set of actions - which are functors | |
| sealed trait RedisF[+A] { | |
| def map[B](fn: A => B): RedisF[B] |
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| using: "net.debasishg" %% "redisclient" % "2.11" | |
| // GetRedis.apply will print out all the keys and values in a csv list | |
| object GetRedis { | |
| import com.redis.{RedisClient, RedisClientPool} | |
| def apply = { | |
| val rcp = new RedisClientPool( | |
| sys.env.getOrElse("REDIS_HOST", "localhost"), | |
| 6379 | |
| ) |
jamesthompson
/ sbt.sublime-build
Last active
January 3, 2016 05:08
sbt build file for sublime if sbt script is present in project path
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| { | |
| "cmd": ["sbt"], | |
| "file_regex": "^\\[error\\] ([.a-zA-Z0-9/-]+[.]scala):([0-9]+):", | |
| "selector": "source.scala", | |
| "working_dir": "${project_path:${folder}}", | |
| "variants": [ | |
| { | |
| "name": "sbt_compile", | |
| "cmd": ["${project_path:${folder}}/sbt compile"], |
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| { | |
| "color_scheme": "Packages/Color Scheme - Default/Monokai Bright.tmTheme", | |
| "dictionary": "Packages/Language - English/en_GB.dic", | |
| "font_face": "Monaco", | |
| "font_size": 10, | |
| "ignored_packages": | |
| [ | |
| "Vintage", | |
| "Theme - Refined" | |
| ], |
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| scala> p | |
| res6: spire.math.poly.MultivariatePolynomial[Double] = (2.0x + 5.0 + 3.0y) | |
| scala> q | |
| res7: spire.math.poly.MultivariatePolynomial[Double] = (xy + 2.0x + 1.0 + 5.0y) | |
| scala> p * q | |
| res8: spire.math.poly.MultivariatePolynomial[Double] = (2.0x^2y + 4.0x^2 + 3.0xy^2 + 21.0xy + 12.0x + 28.0y + 5.0 + 15.0y^2) | |
| scala> p + q |
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| find regex: ^(.*)$ | |
| where: *.scala, *.java etc etc... |
jamesthompson
/ LegSpire.scala
Created
July 25, 2013 22:51
Bonnet's Recursion Formula using Spire for Polynomials...
Legendre Polynomials
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| def legendres(i: Int) : List[Polynomial[Rational]] = { | |
| val one = Polynomial(0 -> r"1/1") | |
| val x = Polynomial(1 -> r"1/1") | |
| lazy val leg : Stream[Polynomial[Rational]] = { | |
| def loop(pnm1: Polynomial[Rational], pn: Polynomial[Rational], n: Int = 1) : Stream[Polynomial[Rational]] = { | |
| pn #:: loop(pn, Polynomial(0 -> Numeric[Rational].fromInt(n + 1).reciprocal) * ( | |
| (Polynomial(1 -> Numeric[Rational].fromInt(2 * n + 1)) * pn) + | |
| (Polynomial(0 -> Numeric[Rational].fromInt(n).unary_-) * pnm1)), n + 1) | |
| } | |
| one #:: loop(one, x) |