Matan Addam matanox
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| def sample_from_distribution(distribution_vector): | |
| ''' samples from a provided distribution (e.g. for choosing an action from a VW returned distribution vector) ''' | |
| probabilities = list(map(float, distribution_vector)) | |
| actions = range(1,len(distribution_vector)+1) # VW actions are 1-indexed not zero indexed | |
| assert(len(actions) == len(probabilities)) | |
| s = choices(actions, probabilities) # https://docs.python.org/3/library/random.html#random.choices | |
| action = s[0] |
matanox
/ Edit Distance Correctness test
Created
April 10, 2016 06:43
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| object WeightedWagnerFischerTest extends App { | |
| /* currently tests for the default weights */ | |
| val externalLibraryImpl = new info.debatty.java.stringsimilarity.Levenshtein | |
| val random = new scala.util.Random(333) // pin down random seed | |
| def randomString(length: Int) = random.alphanumeric.take(length).mkString | |
| def randomPair(length: Int, maxTouches: Int): (String, String) = { | |
| val string1 = randomString(length).toCharArray | |
| var string2 = string1.clone |
matanox
/ GithubHelper.scala
Last active
December 29, 2015 23:19
— forked from guizmaii/GithubHelper.scala
Helper object parsing the "Link" header of the Github API v3, in Scala
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| /* | |
| * parses the link header field (http://tools.ietf.org/html/rfc5988) returned by Github's api | |
| * (c.f. https://developer.github.com/guides/traversing-with-pagination/) | |
| */ | |
| trait GithubLinkHeader { | |
| def parse(linkHeader: IndexedSeq[String]): Map[String, String] = { | |
| assert(linkHeader.size == 1) | |
| linkHeader.head.split(',').map { linkEntry => |
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| val integrationTest = taskKey[Unit]("Executes integration tests.") | |
| lazy val root = (project in file(".")).aggregate(simpleGraph, compilerPluginUnitTestLib, compilerPluginn, canveSbtPlugin, sbtPluginTestLib).enablePlugins(CrossPerProjectPlugin).settings( | |
| scalaVersion := "2.11.7", | |
| crossScalaVersions := Seq("2.10.4", "2.11.7"), | |
| publishArtifact := false, // no artifact to publish for the virtual root project | |
| integrationTest := (run in Compile in sbtPluginTestLib).value // not working: need to bounty http://stackoverflow.com/questions/33291071/invoking-a-subprojects-main-with-a-custom-task | |
| ) | |
| lazy val simpleGraph = (project in file("simpleGraph")) |
matanox
/ Sample SBT configuration for Slick 3.0.0 and MySQL
Created
April 15, 2015 12:39
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| libraryDependencies ++= Seq( | |
| "com.typesafe.slick" %% "slick" % "3.0.0-RC2", | |
| "com.zaxxer" % "HikariCP-java6" % "2.0.1", // HikariCP is the unofficial default connection pooling library for slick | |
| "org.slf4j" % "slf4j-nop" % "1.6.4") | |
| libraryDependencies += "mysql" % "mysql-connector-java" % "latest.release" |
matanox
/ Slick 3.0.0 code generation
Last active
April 13, 2018 17:12
SBT task for slick code generation from a live database
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| // | |
| // SBT task for slick code generation for a live database | |
| // ====================================================== | |
| // | |
| // This sbt task will generate slick scala classes to match your (MySQL) database schema, | |
| // which will allow you to use the database through slick, in your scala application. | |
| // | |
| // Usage: Review all ? symbols and comments below, to adapt to your system. Embed in build.sbt. | |
| // Make sure the database is up. Run: sbt slickGenerate | |
| // In your scala application, import the resulting scala file |