Rafał Krzewski rkrzewski
rkrzewski
/ Scalania9.scala
Created
December 11, 2013 17:46
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| import scala.util.Random | |
| object S99_P23 { | |
| def removeAt[T](n: Int, ts: Seq[T]) = (ts.take(n) ++ ts.drop(n + 1), ts(n)) | |
| def randomSelect[T](count: Int, ts: Seq[T]): Seq[T] = { | |
| val r = new Random | |
| def go(count: Int, ts: Seq[T], acc: Seq[T]): Seq[T] = { | |
| if (count > 0) { | |
| val (next, elem) = removeAt(r.nextInt(ts.length), ts) |
rkrzewski
/ Scalania7.scala
Last active
December 27, 2015 00:19
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| import scala.annotation.tailrec | |
| object S99_P17 { | |
| def split_1l[T](n: Int, ts: Seq[T]) = ts.splitAt(n) | |
| def split_tr[T](n: Int, ts: Seq[T]): (Seq[T], Seq[T]) = { | |
| @tailrec | |
| def go(n: Int, lists: (Seq[T], Seq[T])): (Seq[T], Seq[T]) = (n, lists) match { | |
| case (n, (heads, e +: tails)) if (n > 0) => go(n - 1, (e +: heads, tails)) | |
| case (_, (heads, tails)) => (heads.reverse, tails) |
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| def p8[T](list: Seq[T]): Seq[T] = | |
| list.foldRight(Seq[T]())((e, l) => | |
| if (l.isEmpty || e != l.head) e +: l | |
| else l) | |
| def p9[T](list: Seq[T]): Seq[Seq[T]] = | |
| list.foldRight(Seq[Seq[T]]())((e, l) => | |
| if (l.isEmpty || e != l.head.head) Seq(e) +: l | |
| else (e +: l.head) +: l.tail) |
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| <project xmlns='http://maven.apache.org/POM/4.0.0' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' | |
| xsi:schemaLocation='http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd'> | |
| <modelVersion>4.0.0</modelVersion> | |
| <parent> | |
| <groupId>biz.aQute.bnd</groupId> | |
| <artifactId>parent</artifactId> | |
| <version>2.0.0</version> | |
| </parent> |
rkrzewski
/ test-output.txt
Created
August 27, 2012 13:11
Scala 2.10.0-My presentation compiler error in Scalate tests
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| ------------------------------------------------------------------------------- | |
| Test set: org.fusesource.scalate.japi.TemplateEngineFacadeTest | |
| ------------------------------------------------------------------------------- | |
| Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 3.773 sec <<< FAILURE! | |
| using TemplateEngine from Java(org.fusesource.scalate.japi.TemplateEngineFacadeTest) Time elapsed: 3.246 sec <<< ERROR! | |
| org.fusesource.scalate.TemplateException: assertion failed: originalOwner is not kept in presentation compiler runs. | |
| at org.fusesource.scalate.TemplateEngine.compileAndLoad(TemplateEngine.scala:728) | |
| at org.fusesource.scalate.TemplateEngine.compileAndLoadEntry(TemplateEngine.scala:695) | |
| at org.fusesource.scalate.TemplateEngine.liftedTree1$1(TemplateEngine.scala:415) | |
| at org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:409) |
rkrzewski
/ compiler-error.txt
Created
August 27, 2012 12:48
scala-2.10-M7 compiler error while building scalate-core tests
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| [ERROR] error: | |
| [INFO] while compiling: /home/rafal/workspaces/scala/scalate-scala-2.10/scalate/scalate-core/src/test/scala/org/fusesource/scalate/scuery/LoopTest.scala | |
| [INFO] during phase: icode | |
| [INFO] library version: version 2.10.0-M7 | |
| [INFO] compiler version: version 2.10.0-M7 | |
| [INFO] reconstructed args: -d /home/rafal/workspaces/scala/scalate-scala-2.10/scalate/scalate-core/target/test-classes -deprecation -classpath /home/rafal/workspaces/scala/scalate-scala-2.10/scalate/scalate-core/target/test-classes:/home/rafal/workspaces/scala/scalate-scala-2.10/scalate/scalate-core/target/classes:/home/rafal/.m2/repository/org/fusesource/scalate/scalate-util/1.6.0-SNAPSHOT/scalate-util-1.6.0-SNAPSHOT.jar:/home/rafal/.m2/repository/org/scala-lang/scala-library/2.10.0-M7/scala-library-2.10.0-M7.jar:/home/rafal/.m2/repository/org/slf4j/slf4j-api/1.6.1/slf4j-api-1.6.1.jar:/home/rafal/.m2/repository/org/scala-lang/scala-compiler/2.10.0-M7/scala-compiler-2.10.0-M7.jar:/home/rafal/.m2/repository/org |
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| osgi> ss | |
| "Framework is launched." | |
| id State Bundle | |
| 0 ACTIVE org.eclipse.osgi_3.8.0.v20120529-1548 | |
| 1 ACTIVE org.eclipse.equinox.simpleconfigurator_1.0.300.v20110815-1744 | |
| 2 ACTIVE com.ibm.icu_4.4.2.v20110823 | |
| 3 RESOLVED com.jcraft.jsch_0.1.46.v201205102330 | |
| 4 RESOLVED com.sun.el_2.2.0.v201108011116 |
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| *** Date: Wednesday, June 20, 2012 11:43:08 PM Central European Summer Time | |
| *** Platform Details: | |
| *** System properties: | |
| eclipse.application=org.eclipse.ui.ide.workbench | |
| eclipse.buildId=M20120208-0800 | |
| eclipse.commands=-os | |
| linux | |
| -ws |
rkrzewski
/ gist:1521203
Created
December 26, 2011 13:52
Bndtools error while trying to use aQute.bnd.maven.MavenRepository plugin
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| Unexpected error while trying to get the bundles from pl.caltha.osgi.bndtools-scala.impl;resolution=file:/home/rafal/workspaces/osgi-bndtools-scala/enterprise-osgi-examples/bndtools-scala/pl.caltha.osgi.bndtools-scala.impl/target/bnd/pl.caltha.osgi.bndtools-scala.impl.jar;version=latest, | |
| org.apache.felix.fileinstall;resolution=file:/home/rafal/workspaces/osgi-bndtools-scala/enterprise-osgi-examples/bndtools-scala/cnf/repo/org.apache.felix.fileinstall/org.apache.felix.fileinstall-3.1.10.jar;version='[3.1.10,3.1.11)', | |
| org.apache.felix.http.whiteboard;resolution=file:/home/rafal/workspaces/osgi-bndtools-scala/enterprise-osgi-examples/bndtools-scala/cnf/repo/org.apache.felix.http.whiteboard/org.apache.felix.http.whiteboard-2.2.0.jar;version='[2.2.0,2.2.1)', | |
| pl.caltha.osgi.bndtools-scala.api;resolution=file:/home/rafal/workspaces/osgi-bndtools-scala/enterprise-osgi-examples/bndtools-scala/cnf/releaserepo/pl.caltha.osgi.bndtools-scala.api/pl.caltha.osgi.bndtools-scala.api-1.0.0.jar;version='[1.0.0,1.0.1)', | |
| org.apac |
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