| <ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../config/ehcache.xsd" updateCheck="false"> | |
| <!-- This is a default configuration for 256Mb of cached data using the JVM's heap, but it must be adjusted | |
| according to specific requirement and heap sizes --> | |
| <defaultCache | |
| maxBytesLocalHeap="256000000" | |
| eternal="false" | |
| timeToIdleSeconds="120" | |
| timeToLiveSeconds="120" |
| require 'java' | |
| require 'rubygems' | |
| require 'dbi' | |
| require 'dbd/Jdbc' | |
| require 'jdbc/mysql' | |
| Jdbc::MySQL.load_driver | |
| DBI.connect( | |
| 'DBI:Jdbc:mysql://localhost/test', |
| Welcome to Scala version 2.10.2 (Java HotSpot(TM) 64-Bit Server VM, Java 1.7.0_21). | |
| Type in expressions to have them evaluated. | |
| Type :help for more information. | |
| scala> class Prefix { class Dep { type P = Prefix.this.type } } | |
| defined class Prefix | |
| scala> val (p1, p2) = (new Prefix, new Prefix) | |
| p1: Prefix = Prefix@2212c414 | |
| p2: Prefix = Prefix@7e070e85 |
| yonedaLemma = Iso (flip fmap) ($ id) |
Ruby๋ ์ฆ๊ฑฐ์ด ์ธ์ด์ ๋๋ค. Ruby๋ฅผ ์ฌ์ฉํ๋ค๋ณด๋ฉด ๋งค๋ด์ผ์๋ ๋์์์ง ์์ '์์ ๋ฐ๊ฒฌ'์ ๋ง๋๊ฒ ๋ฉ๋๋ค. ์ด๋ฌํ '๋ฐ๊ฒฌ'์ ํ๋ก๊ทธ๋จ์ ์ง์ด๋
| import scala.slick.lifted.CanBeQueryCondition | |
| // optionally filter on a column with a supplied predicate | |
| case class MaybeFilter[X, Y](val query: scala.slick.lifted.Query[X, Y]) { | |
| def filter[T,R:CanBeQueryCondition](data: Option[T])(f: T => X => R) = { | |
| data.map(v => MaybeFilter(query.filter(f(v)))).getOrElse(this) | |
| } | |
| } | |
| // example use case | |
| import java.sql.Date |
| scala> trait Assoc[K] { type V ; val value: V } | |
| defined trait Assoc | |
| scala> def mkAssoc[V0](k: String, v: V0): Assoc[k.type] { type V = V0 } = | |
| | new Assoc[k.type] { type V = V0 ; val value = v } | |
| mkAssoc: [V0](k: String, v: V0)Assoc[k.type]{type V = V0} | |
| scala> implicit def nameAssoc = mkAssoc("Name", "Mary") | |
| nameAssoc: Assoc[String("Name")]{type V = String} |
| sealed trait Interact[A] | |
| case class Ask(prompt: String) | |
| extends Interact[String] | |
| case class Tell(msg: String) | |
| extends Interact[Unit] | |
| trait Monad[M[_]] { | |
| def pure[A](a: A): M[A] |
As compiled by Kevin Wright a.k.a @thecoda
(executive producer of the movie, and I didn't even know it... clever huh?)
please, please, please - If you know of any slides/code/whatever not on here, then ping me on twitter or comment this Gist!
This gist will be updated as and when I find new information. So it's probably best not to fork it, or you'll miss the updates!
Monday June 16th
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
