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ScalaWilliam
/ Output.xml
Last active
April 6, 2018 17:18
Automatic XML printing for case classes in Scala. Tested with Scala 2.10.3.
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| <Human> | |
| <title>Mr.</title> | |
| <name>Johnny</name> | |
| <coats> | |
| <Coat> | |
| <brand>BOSS</brand> | |
| </Coat> | |
| <Coat> | |
| <brand xsi:nil="true"/> | |
| </Coat> |
ScalaWilliam
/ a-input.xml
Last active
December 28, 2015 17:29
Introducing recursion and then flattening the result with Saxon.
Desire: do section numbering and grouping without using counters.
Platform: Saxon 6.5.5
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| <?xml version="1.0" encoding="UTF-8"?> | |
| <root> | |
| <heading>Hello</heading> | |
| <paragraph>This is my first paragraph</paragraph> | |
| <paragraph>This is my second paragraph</paragraph> | |
| <heading>Hello!</heading> | |
| <heading>HelloOooo!</heading> | |
| <paragraph>Coolness.</paragraph> | |
| </root> |
ScalaWilliam
/ scala-project.bat
Created
November 19, 2013 09:41
Put this in: C:\Programs..\Scala\bin\ Then run scala-project com.something.great Will create a scala project names 'great' in group 'com.something'. Depends on: https://github.com/davidB/scala-archetype-simple/
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| @echo off | |
| setlocal EnableDelayedExpansion | |
| set "groupId=" | |
| set "rest=%1" | |
| set "f=" | |
| if "%rest" == "" goto bad | |
| :bang | |
| for /f "tokens=1* delims=." %%p in ("%rest%") DO ( |
ScalaWilliam
/ x.scala
Created
December 14, 2013 16:37
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| scala> val myMap = Map("test"->"best") | |
| myMap: scala.collection.mutable.Map[String,String] = Map(test -> best) | |
| scala> val fn = myMap.lift | |
| fn: String => Option[String] = <function1> | |
| scala> (fn("test"), fn("lest")) | |
| res5: (Option[String], Option[String]) = (Some(best),None) | |
| scala> myMap("lest") = "zest" |
ScalaWilliam
/ pairHeadingsParagraphs.scala
Created
December 26, 2013 00:00
pairHeadingsParagraphs.scala
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| def packer[A](l: List[A])(f: A => Boolean): List[(A, List[A])] = { | |
| if ( l.isEmpty ) List() | |
| else if ( !f(l.head) ) List() | |
| else { | |
| val heading :: rest = l | |
| val (paragraphs, nextBunch) = rest span (false == f(_)) | |
| (heading, paragraphs) :: packer(nextBunch)(f) | |
| } | |
| } | |
| case class Heading(title: String) |
ScalaWilliam
/ groupSiblings.scala
Last active
January 1, 2016 09:59
Group consecutive siblings according to truth/falsity. Useful to interpret something like parsing output from the shell to distinguish between Input and Output.
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| def continuousPartitions[A](l: List[A])(f: A => Boolean): List[(List[A], List[A])] = { | |
| if ( l.isEmpty ) Nil | |
| else { | |
| val (continuousTrue, followingPartition) = l span f | |
| val (continuousFalse, nextGroup) = followingPartition span (!f(_)) | |
| (continuousTrue, continuousFalse) :: continuousPartitions(nextGroup)(f) | |
| } | |
| } | |
| val hav = continuousPartitions(List("a", "b", "a", "a", "b", "b", "a"))(_=="a") |
ScalaWilliam
/ remove-linkedin-irrelevant-content.js
Last active
August 29, 2015 13:56
Would be nice if Premium LinkedIn did not include too much irrelevant content. I only care about relevant content.
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| // ==UserScript== | |
| // @name NoPulses | |
| // @namespace https://www.linkedin.com/ | |
| // @include https://www.linkedin.com/* | |
| // @version 1 | |
| // @grant none | |
| // ==/UserScript== | |
| (function() { | |
| function removeNonsense() { |
ScalaWilliam
/ gist:9711648
Last active
July 19, 2016 21:03
mg7150 linux (ubuntu 13.10, fedora, debian, redhat, centos, source) drivers
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| http://support-sg.canon-asia.com/P/search?model=PIXMA+MG7170&menu=download&filter=0&tagname=g_os&g_os=Linux | |
| also deutsch http://aram.loosman.ch/canon-pixma-mg7150-und-ubuntu-13-04/ |
ScalaWilliam
/ Doubles.scala
Last active
August 29, 2015 14:00
Adding up XML as doubles. Shows a case for Monads
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| package com.scalawilliam.examples | |
| import scala.xml.Node | |
| /** | |
| * Add .sum and .product functionality to Scala XML nodes. | |
| */ | |
| object NumericNodesExample extends App { | |
| import NumericUtility._ |
ScalaWilliam
/ initialise.scala
Last active
August 29, 2015 14:04
Embedded Jetty + Scalatra with Webjars loading (loads META-INF/resources data from the classpath jars). Works without any configuration in Jetty, jetty-maven-plugin, but not so easily in embedded form. Make sure to create websresources/index.html in your src/main/resources/ directory. Examples provided in Scalatra documentation are strange - set…
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| def initialiseApp[T<:LifeCycle](port: Int) = { | |
| val server = new Server(port) | |
| val context = new WebAppContext() | |
| context.setContextPath("/") | |
| context.setResourceBase(new File(getClass.getResource("/webresources/index.html").getFile).getCanonicalFile.getParentFile.getCanonicalPath) | |
| context.addEventListener(new ScalatraListener) | |
| context.addServlet(classOf[DefaultServlet], "/") | |
| context.setInitParameter(ScalatraListener.LifeCycleKey, classOf[ConfiguredBootstrap].getCanonicalName) | |
| context.setAttribute(WebInfConfiguration.WEBINF_JAR_PATTERN, ".*\\.jar$") |
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