Markus Kahl machisuji
machisuji
/ Split alternating elements
Created
February 25, 2010 22:03
Splitting a list into two lists containing alternating elements of the original list.
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| // way faster than split2m | |
| def split2f[T](list: Seq[T]): (Seq[T], Seq[T]) = { | |
| val it = Iterator.iterate(true)(!_) | |
| list.partition(_ => it.next) | |
| } | |
| // next approach, incredibly slow | |
| // @TODO learn functional programming | |
| def split2m[T](list: Seq[T]): (Seq[T], Seq[T]) = | |
| list.foldLeft((Seq[T](), Seq[T]())) { | |
| (tuple: (Seq[T], Seq[T]), element: T) => |
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| import wandledi.java.Controller; | |
| public class WandlediApp extends Controller { | |
| public void index() { | |
| getWriter().println("Hello World!"); | |
| } | |
| public static void main(String[] args) { | |
| runStandAlone(true); |
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| implicit def trailingConditionals[T](any: => T) = new { | |
| def provided(expr: Boolean) = if (expr) Some(any) else None | |
| def unless(expr: Boolean) = if (!expr) Some(any) else None | |
| } | |
| implicit def verbosePlus(i: Int) = new { | |
| def plus(j: Int): Int = { | |
| println("Adding " + i + " and " + j); | |
| i + j | |
| } |
machisuji
/ gist:506381
Created
August 3, 2010 13:34
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| def form() { | |
| <any name="author"/> merge <any value="Bobby"/> | |
| // vs | |
| get("name" -> "author").setAttribute("value", "Bobby") | |
| // vs | |
| <where name="author" setValue="Bobby"/>! | |
| // vs | |
| <any name="author"/> update { | |
| "value" -> "Bobby" // [,\n"foo" -> "bar" ... | |
| } |
machisuji
/ gist:527234
Created
August 16, 2010 16:32
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| def javaUsage() { | |
| val model = new Model | |
| model.onChange(new ChangeListener { | |
| override def changed() { | |
| // react | |
| } | |
| }) | |
| } | |
| def scalaUsage() { |
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| overriding method + in trait MapLike of type [B1 >: String](kv: (String, B1))scala.collection.mutable.Map[String,B1]; | |
| [error] method + has incompatible type | |
| [error] override def +[B1 >: String](kv: (String, B1)): Parameters = { | |
| [error] ^ |
machisuji
/ FieldReferenceLinker.scala
Created
January 26, 2011 07:43
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| if(isComposite) { | |
| _compositeKeyMembers.set(Some(new ArrayBuffer[SelectElement])) | |
| println("set members to empty ArrayBuffer") | |
| } | |
| var res = proxy.invokeSuper(o, args); | |
| if(isComposite) { | |
| val ck = res.asInstanceOf[CompositeKey] | |
| println("members before: " + ck._members) | |
| ck._members = Some(_compositeKeyMembers.get.get.map(new SelectElementReference[Any](_)(NoOpOutMapper))) |
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| val msg: Option[String] = flash.get("msg") | |
| // Do it like this? | |
| $(".flashMessage") { node => | |
| if (msg.isDefined) { | |
| node.text = msg.get | |
| } else node.hide() | |
| } | |
| // Or like this? |
machisuji
/ waitingForGodot.groovy
Created
March 23, 2011 16:45
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| Thread.start { | |
| println("Waiting for Godot") | |
| synchronized ("Godot") { | |
| "Godot".wait() | |
| } | |
| println("Godot never came") | |
| } | |
| println("Press <return> to continue") | |
| new BufferedReader(new InputStreamReader(System.in)).readLine() |
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| ["/Volumes/finn/fitusagereporting/vendor/plugins/reporting_engine/lib/report/result.rb:160:in `sort!'", | |
| "/Volumes/finn/fitusagereporting/vendor/plugins/reporting_engine/lib/report/result.rb:158:in `sort!'", | |
| "/Volumes/finn/fitusagereporting/vendor/plugins/reporting_engine/lib/report/walker.rb:76:in `sort'", | |
| "/Volumes/finn/fitusagereporting/vendor/plugins/reporting_engine/lib/report/walker.rb:36:in `headers'", | |
| "/Volumes/finn/fitusagereporting/app/views/usage_reports/_usage_report_table.rhtml:42:in `_app_views_usage_reports__usage_report_table_rhtml__1158284054_2182735320_2781310'", | |
| "/Users/markus/.rvm/gems/ree-1.8.7-2011.03/gems/actionpack-3.0.4/lib/action_view/template.rb:135:in `send'", | |
| "/Users/markus/.rvm/gems/ree-1.8.7-2011.03/gems/actionpack-3.0.4/lib/action_view/template.rb:135:in `render'", | |
| "/Users/markus/.rvm/gems/ree-1.8.7-2011.03/gems/activesupport-3.0.4/lib/active_support/notifications.rb:54:in `instrument'", | |
| "/Users/markus/.rvm/gems/ree-1.8.7-2011.03/gems/actionpack-3.0.4/lib/action_view/tem |
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