| // Place the contents of this file in ~/.sbt/1.0/nonfatal.sbt | |
| // Or install by running the following command: | |
| // curl https://gist.githubusercontent.com/nivekastoreth/7859422d43a8b397f4fb987bed172853/raw/nonfatal.sbt -o ~/.sbt/1.0/nonfatal.sbt | |
| /** | |
| * This method provides a mechanism for wrapping a given task key for all projects | |
| * being tracked by the specified State. This means calling this while in a | |
| * sub-project will still have global level changes applied across all projects | |
| * | |
| * This is a fairly heavy hammer and should only be used exceedingly sparingly |
| import org.specs2.matcher.MatchResult | |
| import org.specs2.mutable.Specification | |
| import scala.collection.mutable | |
| class SubtractableTestSpec extends Specification { | |
| "pass short circuit if not timed out" in { | |
| val a: MatchResult[String] = "test" ==== "test" | |
| val b: MatchResult[mutable.Buffer[Int]] = mutable.ArrayBuffer.empty[Int] must beEmpty |
| // Initial exploration of various means of writing similar expressions | |
| // and what (if any) errors/warnings they emit when compiling | |
| private def unitRight[A]: A \/ Unit = ().right[A] | |
| // fails with: discarded non-Unit value | |
| def test1: \/[String, Unit] = \/-(\/-(())) | |
| def test2: \/[String, Unit] = ().right[String].map(_ => unitRight[String]) | |
| def test3: \/[String, Unit] = ().right[String].map { case _ => unitRight[String] } |
| # After each `Breakpoint reached` follows the stacktrace of where that breakpoint was, and after that it prints the value of `DefaultEndpoint.QUEUE_SIZE` | |
| 2018-04-20 14:40:52 UTC [disruptor-http-inbound-4] DEBUG i.l.c.RedisChannelHandler - dispatching command AsyncCommand [type=EVALSHA, output=ValueOutput [output=null, error='null'], commandType=io.lettuce.core.protocol.Command] | |
| 0 | |
| 2018-04-20 14:40:52 UTC [disruptor-http-inbound-4] DEBUG i.l.c.p.DefaultEndpoint - [channel=0x623c7065, /127.0.0.1:50087 -> localhost/127.0.0.1:8634, epid=0x2] write() writeAndFlush command AsyncCommand [type=EVALSHA, output=ValueOutput [output=null, error='null'], commandType=io.lettuce.core.protocol.Command] | |
| 2018-04-20 14:40:52 UTC [disruptor-http-inbound-4] DEBUG i.l.c.p.DefaultEndpoint - [channel=0x623c7065, /127.0.0.1:50087 -> localhost/127.0.0.1:8634, epid=0x2] write() done | |
| 2018-04-20 14:40:52 UTC [lettuce-nioEventLoop-10-3] DEBUG i.l.c.p.CommandHandler - [channel=0x623c7065, /127.0.0.1:50087 -> localhost/127.0.0.1:8634, chid= |
Copyright © 2017 Fantasyland Institute of Learning. All rights reserved.
A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.
val square : Int => Int = x => x * x
| jmaki@jmaki-pc ~ | |
| $ cat piping.sh | |
| #!/bin/bash | |
| while getopts oe arg; do | |
| case "${arg}" in | |
| o ) echo >&1 "This is writing to stdout" ;; | |
| e ) echo >&2 "This is writing to stderr" ;; | |
| * ) ;; # ignore | |
| esac | |
| done |
| jmaki@jmaki-pc ~ | |
| $ cat piping.sh | |
| #!/bin/bash | |
| echo >&1 "This is writing to stdout" | |
| echo >&2 "This is writing to stderr" | |
| jmaki@jmaki-pc ~ | |
| $ cat lmgtfy.sh | |
| #!/bin/bash | |
| search_string=$(echo "$@" | tr ' ' '+') |