Dario Rexin drexin
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| ### Keybase proof | |
| I hereby claim: | |
| * I am drexin on github. | |
| * I am drexin (https://keybase.io/drexin) on keybase. | |
| * I have a public key whose fingerprint is C489 C117 BC2C E2FA 446F 607F E529 608B D444 8B81 | |
| To claim this, I am signing this object: |
drexin
/ Monoid.swift
Created
June 3, 2014 06:36
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| protocol Monoid { | |
| func unit() -> Self | |
| func append(b: Self) -> Self | |
| } | |
| operator infix |+| { associativity left precedence 140 } | |
| func |+|<A: Monoid>(a: A, b: A) -> A { | |
| return a.append(b) | |
| } |
drexin
/ RefactoringPuzzle.scala
Last active
December 17, 2015 22:49
— forked from tonymorris/RefactoringPuzzle.scala
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| object RefactorPuzzle { | |
| case class IntRdr[+A](read: Int => A) { | |
| def map[B](f: A => B): IntRdr[B] = | |
| IntRdr(f compose read) | |
| def flatMap[B](f: A => IntRdr[B]): IntRdr[B] = | |
| IntRdr(n => f(read(n)).read(n)) | |
| } | |
| object IntRdr { |
drexin
/ eventsourced.scala
Created
May 22, 2013 08:26
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| // This actor receives AMQP messages from the connection actor | |
| // and forwards them to the receiver (in my case a channel) | |
| class Forwarder(receiver: ActorRef) extends Actor { | |
| def receive = { | |
| case AMQPMessage(deliveryTag, key, data) => | |
| val connectionActor = sender | |
| receiver ! Message( | |
| event = data, | |
| ack = true, |
drexin
/ Macros.scala
Last active
October 27, 2016 09:41
macros to get current file and line, inspired by ruby's __FILE__ and __LINE__
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| import java.io.File | |
| import language.experimental.macros | |
| import scala.reflect.macros.Context | |
| object Macros { | |
| def LINE: Int = macro lineImpl | |
| def lineImpl(c: Context): c.Expr[Int] = { | |
| import c.universe._ |
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| module Foo | |
| def bar(fun) | |
| baz do (b) | |
| fun(b) % not in scope | |
| end | |
| end | |
| end |
drexin
/ AkkaUntypedActor.scala
Created
July 15, 2011 12:06
jruby-akka exception after hot swapping actor
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| import akka.actor._ | |
| import org.jruby.Ruby | |
| import org.jruby.RubyClass | |
| import org.jruby.RubyModule | |
| import org.jruby.RubyObject | |
| import org.jruby.anno.JRubyMethod | |
| import org.jruby.anno.JRubyClass | |
| import org.jruby.runtime.ObjectAllocator | |
| import org.jruby.runtime.ThreadContext |
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| 2011-04-13 11:40:54 | |
| Full thread dump Java HotSpot(TM) 64-Bit Server VM (17.1-b03 mixed mode): | |
| "824137379@qtp-1281689746-12 - /rest/graph/paths/from_user/3156271/to_company/28008" prio=10 tid=0x00007f2fe27b2800 nid=0x6497 runnable [0x0000000042a01000] | |
| java.lang.Thread.State: RUNNABLE | |
| at java.util.concurrent.ConcurrentHashMap$Segment.get(ConcurrentHashMap.java:344) | |
| at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:769) | |
| at org.neo4j.kernel.impl.cache.SoftLruCache.get(SoftLruCache.java:66) | |
| at org.neo4j.kernel.impl.core.NodeManager.getRelForProxy(NodeManager.java:522) | |
| at org.neo4j.kernel.impl.core.RelationshipProxy.getOtherNode(RelationshipProxy.java:60) |
drexin
/ Neo thread dump
Created
April 13, 2011 08:33
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| 2011-04-13 10:27:32 | |
| Full thread dump Java HotSpot(TM) 64-Bit Server VM (19.1-b02-334 mixed mode): | |
| "Attach Listener" daemon prio=9 tid=10a841000 nid=0x10d610000 waiting on condition [00000000] | |
| java.lang.Thread.State: RUNNABLE | |
| "Timer-6" daemon prio=5 tid=102a4a000 nid=0x10d307000 in Object.wait() [10d306000] | |
| java.lang.Thread.State: TIMED_WAITING (on object monitor) | |
| at java.lang.Object.wait(Native Method) | |
| - waiting on <7f40a0078> (a java.util.TaskQueue) |
drexin
/ ContactPaths.scala
Created
March 11, 2011 14:45
A Neo4j REST Server Plugin to request contact paths
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| import org.neo4j.graphdb.GraphDatabaseService | |
| import org.neo4j.graphdb.Node | |
| import org.neo4j.server.plugins._ | |
| import org.neo4j.graphalgo.GraphAlgoFactory | |
| import org.neo4j.kernel.OrderedByTypeExpander | |
| import org.neo4j.graphdb.RelationshipType | |
| import org.neo4j.graphdb.Path | |
| import org.neo4j.helpers.collection.NestingIterable | |
| import org.neo4j.helpers.collection.NestingIterator | |
| import collection.JavaConversions.{asJavaIterable, asScalaIterable} |
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