Renato Athaydes renatoathaydes
renatoathaydes
/ simpleGroovlet.groovy
Created
May 24, 2014 11:44
A groovlet that logs access and serves a simple HTML page
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| if (!session) { | |
| session = request.getSession(true); | |
| } | |
| if (!session.counter) { | |
| session.counter = 1 | |
| } | |
| html.html { | |
| head { |
renatoathaydes
/ InstanceManager.java
Created
May 25, 2014 08:50
Simple cloud instance manager based on jclouds
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| import org.jclouds.ContextBuilder; | |
| import org.jclouds.compute.ComputeService; | |
| import org.jclouds.compute.ComputeServiceContext; | |
| import org.jclouds.compute.RunNodesException; | |
| import org.jclouds.compute.domain.ComputeMetadata; | |
| import org.jclouds.compute.domain.NodeMetadata; | |
| import org.jclouds.compute.domain.OsFamily; | |
| import org.jclouds.compute.domain.Template; | |
| import org.jclouds.ec2.domain.InstanceType; |
renatoathaydes
/ simpleMathsHelper.ceylon
Created
August 25, 2014 20:36
Simple Maths helper program with between 1 and 3 inputs
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| String askUser(String question) { | |
| process.write(question); | |
| return process.readLine(); | |
| } | |
| Float? askUserForNumber(String question) => parseFloat(askUser(question)); | |
| void printResult(Float(Float, Float=, Float=) operation, Float x, Float? y, Float? z) { | |
| Float result; | |
| if (exists y) { |
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| totalValue = 4500000 | |
| pantbrev = 1534900 | |
| /////////////////////////////////// | |
| fromApt = 699500 | |
| lagFart = 0.015 * totalValue | |
| toPay = 0.15 * totalValue + 0.02 * (Math.max(0, totalValue - pantbrev)) + lagFart | |
| println "Total to pay $toPay" |
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| abstract class Thing() { | |
| string => className(this).split('.'.equals).last?.string else ""; | |
| } | |
| abstract class World(shared Thing+ contents) {} | |
| abstract class Ocean() extends Thing() {} | |
| abstract class Land() of Continent|Island extends Thing() {} |
renatoathaydes
/ nBody.ceylon
Last active
August 29, 2015 14:19
Ceylon Solution for the n-body problem
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| /* The Computer Language Benchmarks Game | |
| http://benchmarksgame.alioth.debian.org/ | |
| contributed by Renato Athaydes | |
| */ | |
| import ceylon.math.decimal { | |
| decimalNumber, |
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| (function() { | |
| var chars = "abcdefghijklmnopqrstuvxzwyABCDEFGHIJKLMNOPQRSTUVXZWY0123456789~`!@#$%^&*()-_=+{[}]|\\;:'\"<,>.?/"; | |
| /** | |
| * Get a random char according to the optionsl options given. | |
| * @param options can be one of: | |
| * <ul> | |
| * <li><b>'alpha'</b>: only returns alphabetic chars</li> | |
| * <li><b>'lowercase'</b>: only returns alphabetic chars</li> |
renatoathaydes
/ createOsgiBluePrintProject.groovy
Created
February 3, 2013 19:09
Creates a simple Osgi Blueprint Project using a Maven Archetype.
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| // Creates an empty OSGi Blueprint project using the Maven archetype | |
| // http://karaf.apache.org/manual/2.2.6/developers-guide/archetypes.html | |
| def MAVEN_HOME = 'C:/Program Files/Maven/apache-maven-3.0.3/bin' | |
| def cli = new CliBuilder() | |
| cli.with { | |
| g args: 1, 'GroupId of the artifact being created' | |
| a args: 1, 'ID of the artifact being created' |
renatoathaydes
/ RomanNumeral.java
Created
April 17, 2013 07:22
Converter of Arabic numbers to Roman numbers
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| import java.util.HashMap; | |
| import java.util.Map; | |
| public class RomanNumeral | |
| { | |
| private static final Map<Integer, String[]> romanCharsByDecimalPlace = new HashMap<Integer, String[]>() | |
| { | |
| { | |
| put( 0, new String[] |
renatoathaydes
/ CheckGraphicsDeviceBounds.groovy
Last active
December 26, 2015 01:28
Groovy script that prints information about the graphics devices currently in use.
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| import java.awt.* | |
| def virtualBounds = new Rectangle() | |
| GraphicsEnvironment ge = GraphicsEnvironment.localGraphicsEnvironment | |
| GraphicsDevice[] gs = ge.screenDevices | |
| println Arrays.toString(gs) | |
| gs.each { GraphicsDevice gd -> | |
| GraphicsConfiguration[] gc = gd.configurations |