> Thank you in advance.

> Mic

>  --
> You received this message because you are subscribed to the Google Groups
> "Akka User List" group.
> To view this discussion on the web visit
> https://groups.google.com/d/msg/akka-user/-/1d4UMkNW8UQJ.
> To post to this group, send email to akka-user@googlegroups.com.
> To unsubscribe from this group, send email to
> akka-user+unsubscribe@googlegroups.com.
> For more options, visit this group at
> http://groups.google.com/group/akka-user?hl=en.

> Hi Mic,

> You'll want to avoid doing Await, it does do blocking, and blocking is bad.

> *    implicit val ec = ExecutionContext.fromExecutorService(**
> Executors.newCachedThreadPool()**) *
> *    Future { **"Hello" + "World" **} map println andThen { case _ =>
> ec.shutdown }*

> The code above will run "Hello" + "World" async, then the println async
> and then shut your ExecutionContext down when all is done.

> Cheers,
> √

> On Sun, May 6, 2012 at 4:01 PM, Mic <micta...@gmail.com> wrote:

>> Thank you, the following complete code runs:

>> *import akka.dispatch.{Await, Future, ExecutionContext} *
>> *import akka.util.duration._ *
>> *import java.util.concurrent.Executors *
>> *
>> *
>> *object HelloWorldFuture {*
>> *  def main(args: Array[String]) {*
>> *    val pool = Executors.newCachedThreadPool() *
>> *    implicit val ec = ExecutionContext.fromExecutorService(pool) *
>> *    val future = Future {*
>> *      "Hello" + "World"*
>> *    }*
>> *    val result = Await.result(future, 1 second)*
>> *    println(result)*
>> *    pool.shutdown()*
>> *  }*
>> *} *

>> I have found the Actor doc better, because on the end there was a
>> complete code.

>> Mic

>> On Sunday, May 6, 2012 7:42:12 PM UTC+10, Mic wrote:

>>> Hello,
>>> I am not able to compile the AKKA 2 example http://doc.akka.io/**
>>> docs/akka/2.0/scala/futures.**html#Use_Directly<http://doc.akka.io/docs/akka/2.0/scala/futures.html#Use_Directly>

>>> *
>>> *
>>> *import akka.dispatch.Await*
>>> *import akka.dispatch.Future*
>>> *import akka.util.duration._*
>>> *
>>> *
>>> *
>>> *
>>> *object HelloWorldFuture {*
>>> *  def main(args: Array[String]) {*
>>> *    val future = Future {*
>>> *      "Hello" + "World"*
>>> *    }*
>>> *    val result = Await.result(future, 1 second)*
>>> *  }*
>>> *} *

>>> $ fsc -cp ../jars/akka/lib/akka/akka-**actor-2.0.1.jar:.
>>> HelloWorldFuture.scala
>>> HelloWorldFuture.scala:8: error: could not find implicit value for
>>> parameter executor: akka.dispatch.ExecutionContext
>>>     val future = Future {
>>>                         ^
>>> one error found

>>> What did I do wrong?

>>> Thank you in advance.

>>> Mic

>>>  --
>> You received this message because you are subscribed to the Google Groups
>> "Akka User List" group.
>> To view this discussion on the web visit
>> https://groups.google.com/d/msg/akka-user/-/f-2AIM4QU_EJ.

>> To post to this group, send email to akka-user@googlegroups.com.
>> To unsubscribe from this group, send email to
>> akka-user+unsubscribe@googlegroups.com.
>> For more options, visit this group at
>> http://groups.google.com/group/akka-user?hl=en.

> --
> Viktor Klang

> Akka Tech Lead
> Typesafe <http://www.typesafe.com/> - The software stack for applications
> that scale

> Twitter: @viktorklang

> object Communication {
>   def main(args: Array[String]) {
>   implicit val ec = ExecutionContext.fromExecutorService(
>       Executors.newCachedThreadPool());
>   // send tasks to the dispather
>   val results = Future.traverse(List.range(0,10)){i =>
>     Future("%d x %d = %d" format (i, i, i*i))
>   } map println andThen { case _ => ec.shutdown }

>   }
> }
> Current OUTPUT:
> List(0 x 0 = 0, 1 x 1 = 1, 2 x 2 = 4, 3 x 3 = 9, 4 x 4 = 16, 5 x 5 = 25, 6
> x 6 = 36, 7 x 7 = 49, 8 x 8 = 64, 9 x 9 = 81)

> Thank you in advance.

> Mic

> On Monday, May 7, 2012 12:30:37 AM UTC+10, √ wrote:

>> Hi Mic,

>> You'll want to avoid doing Await, it does do blocking, and blocking is
>> bad.

>> *    implicit val ec = ExecutionContext.fromExecutorService(**Executors.
>> newCachedThreadPool()**) *
>> *    Future { **"Hello" + "World" **} map println andThen { case _ =>
>> ec.shutdown }*

>> The code above will run "Hello" + "World" async, then the println async
>> and then shut your ExecutionContext down when all is done.

>> Cheers,
>> √

>> On Sun, May 6, 2012 at 4:01 PM, Mic <micta...@gmail.com> wrote:

>>> Thank you, the following complete code runs:

>>> *import akka.dispatch.{Await, Future, ExecutionContext} *
>>> *import akka.util.duration._ *
>>> *import java.util.concurrent.Executors *
>>> *
>>> *
>>> *object HelloWorldFuture {*
>>> *  def main(args: Array[String]) {*
>>> *    val pool = Executors.newCachedThreadPool() *
>>> *    implicit val ec = ExecutionContext.fromExecutorService(pool) *
>>> *    val future = Future {*
>>> *      "Hello" + "World"*
>>> *    }*
>>> *    val result = Await.result(future, 1 second)*
>>> *    println(result)*
>>> *    pool.shutdown()*
>>> *  }*
>>> *} *

>>> I have found the Actor doc better, because on the end there was a
>>> complete code.

>>> Mic

>>> On Sunday, May 6, 2012 7:42:12 PM UTC+10, Mic wrote:

>>>> Hello,
>>>> I am not able to compile the AKKA 2 example http://doc.akka.io/**doc**
>>>> s/akka/2.0/scala/futures.**html#**Use_Directly<http://doc.akka.io/docs/akka/2.0/scala/futures.html#Use_Directly>

>>>> *
>>>> *
>>>> *import akka.dispatch.Await*
>>>> *import akka.dispatch.Future*
>>>> *import akka.util.duration._*
>>>> *
>>>> *
>>>> *
>>>> *
>>>> *object HelloWorldFuture {*
>>>> *  def main(args: Array[String]) {*
>>>> *    val future = Future {*
>>>> *      "Hello" + "World"*
>>>> *    }*
>>>> *    val result = Await.result(future, 1 second)*
>>>> *  }*
>>>> *} *

>>>> $ fsc -cp ../jars/akka/lib/akka/akka-**act**or-2.0.1.jar:.
>>>> HelloWorldFuture.scala
>>>> HelloWorldFuture.scala:8: error: could not find implicit value for
>>>> parameter executor: akka.dispatch.ExecutionContext
>>>>     val future = Future {
>>>>                         ^
>>>> one error found

>>>> What did I do wrong?

>>>> Thank you in advance.

>>>> Mic

>>>>  --
>>> You received this message because you are subscribed to the Google
>>> Groups "Akka User List" group.
>>> To view this discussion on the web visit https://groups.google.com/d/**
>>> msg/akka-user/-/f-2AIM4QU_EJ<https://groups.google.com/d/msg/akka-user/-/f-2AIM4QU_EJ>
>>> .

>>> To post to this group, send email to akka-user@googlegroups.com.
>>> To unsubscribe from this group, send email to akka-user+unsubscribe@**
>>> googlegroups.com <akka-user%2Bunsubscribe@googlegroups.com>.
>>> For more options, visit this group at http://groups.google.com/**
>>> group/akka-user?hl=en <http://groups.google.com/group/akka-user?hl=en>.

>> --
>> Viktor Klang

>> Akka Tech Lead
>> Typesafe <http://www.typesafe.com/> - The software stack for
>> applications that scale

>> Twitter: @viktorklang

>>   --
> You received this message because you are subscribed to the Google Groups
> "Akka User List" group.
> To view this discussion on the web visit
> https://groups.google.com/d/msg/akka-user/-/kxwpgm6EPNgJ.

> To post to this group, send email to akka-user@googlegroups.com.
> To unsubscribe from this group, send email to
> akka-user+unsubscribe@googlegroups.com.
> For more options, visit this group at
> http://groups.google.com/group/akka-user?hl=en.

> you might be interested in searching for mkString here:
> http://www.scala-lang.org/api/current/index.html#scala.collection.Seq

> Regards,

> Roland

> On May 7, 2012, at 02:03 , Mic wrote:

> Hi Viktor,
> I am sorry. I meant to get something like this:
> 0 x 0 = 0
> 1 x 1 = 1
> 2 x 2 = 4
> 3 x 3 = 9
> 4 x 4 = 16
> 5 x 5 = 25
> 6 x 6 = 36
> 7 x 7 = 49
> 8 x 8 = 64
> 9 x 9 = 81

> Cheers,
> Mic

> On Monday, May 7, 2012 9:53:47 AM UTC+10, √ wrote:

>> Hi Mic,

>> On Mon, May 7, 2012 at 1:49 AM, Mic <micta...@gmail.com> wrote:

>>> Hi Viktor,
>>> Thank you. How to improve the output from the following code:

>> How do I improve something without being given a metric?

>> Cheers,
>> √

>>> import akka.dispatch.{Future, ExecutionContext}
>>> import akka.util.duration._
>>> import java.util.concurrent.**Executors

>>> object Communication {
>>>   def main(args: Array[String]) {
>>>   implicit val ec = ExecutionContext.**fromExecutorService(
>>>       Executors.**newCachedThreadPool());
>>>   // send tasks to the dispather
>>>   val results = Future.traverse(List.range(0,**10)){i =>
>>>     Future("%d x %d = %d" format (i, i, i*i))
>>>   } map println andThen { case _ => ec.shutdown }

>>>   }
>>> }
>>> Current OUTPUT:
>>> List(0 x 0 = 0, 1 x 1 = 1, 2 x 2 = 4, 3 x 3 = 9, 4 x 4 = 16, 5 x 5 = 25,
>>> 6 x 6 = 36, 7 x 7 = 49, 8 x 8 = 64, 9 x 9 = 81)

>>> Thank you in advance.

>>> Mic

>>> On Monday, May 7, 2012 12:30:37 AM UTC+10, √ wrote:

>>>> Hi Mic,

>>>> You'll want to avoid doing Await, it does do blocking, and blocking is
>>>> bad.

>>>> *    implicit val ec = ExecutionContext.fromExecutorService(**
>>>> Executors.newCachedThreadPool()**) *
>>>> *    Future { **"Hello" + "World" **} map println andThen { case _ =>
>>>> ec.shutdown }*

>>>> The code above will run "Hello" + "World" async, then the println async
>>>> and then shut your ExecutionContext down when all is done.

>>>> Cheers,
>>>> √

>>>> On Sun, May 6, 2012 at 4:01 PM, Mic <micta...@gmail.com> wrote:

>>>>> Thank you, the following complete code runs:

>>>>> *import akka.dispatch.{Await, Future, ExecutionContext} *
>>>>> *import akka.util.duration._ *
>>>>> *import java.util.concurrent.Executors *
>>>>> *
>>>>> *
>>>>> *object HelloWorldFuture {*
>>>>> *  def main(args: Array[String]) {*
>>>>> *    val pool = Executors.newCachedThreadPool() *
>>>>> *    implicit val ec = ExecutionContext.fromExecutorService(pool) *
>>>>> *    val future = Future {*
>>>>> *      "Hello" + "World"*
>>>>> *    }*
>>>>> *    val result = Await.result(future, 1 second)*
>>>>> *    println(result)*
>>>>> *    pool.shutdown()*
>>>>> *  }*
>>>>> *} *

>>>>> I have found the Actor doc better, because on the end there was a
>>>>> complete code.

>>>>> Mic

>>>>> On Sunday, May 6, 2012 7:42:12 PM UTC+10, Mic wrote:

>>>>>> Hello,
>>>>>> I am not able to compile the AKKA 2 example http://doc.akka.io/**doc*
>>>>>> ***s/akka/2.0/scala/futures.**html#****Use_Directly<http://doc.akka.io/docs/akka/2.0/scala/futures.html#Use_Directly>

>>>>>> *
>>>>>> *
>>>>>> *import akka.dispatch.Await*
>>>>>> *import akka.dispatch.Future*
>>>>>> *import akka.util.duration._*
>>>>>> *
>>>>>> *
>>>>>> *
>>>>>> *
>>>>>> *object HelloWorldFuture {*
>>>>>> *  def main(args: Array[String]) {*
>>>>>> *    val future = Future {*
>>>>>> *      "Hello" + "World"*
>>>>>> *    }*
>>>>>> *    val result = Await.result(future, 1 second)*
>>>>>> *  }*
>>>>>> *} *

>>>>>> $ fsc -cp ../jars/akka/lib/akka/akka-**act****or-2.0.1.jar:.
>>>>>> HelloWorldFuture.scala
>>>>>> HelloWorldFuture.scala:8: error: could not find implicit value for
>>>>>> parameter executor: akka.dispatch.ExecutionContext
>>>>>>     val future = Future {
>>>>>>                         ^
>>>>>> one error found

>>>>>> What did I do wrong?

>>>>>> Thank you in advance.

>>>>>> Mic

>>>>> --
>>>>> You received this message because you are subscribed to the Google
>>>>> Groups "Akka User List" group.
>>>>> To view this discussion on the web visit https://groups.google.com/d/*
>>>>> *ms**g/akka-user/-/f-2AIM4QU_EJ<https://groups.google.com/d/msg/akka-user/-/f-2AIM4QU_EJ>
>>>>> .

>>>>> To post to this group, send email to akka-user@googlegroups.com.
>>>>> To unsubscribe from this group, send email to akka-user+unsubscribe@**
>>>>> googlegr**oups.com <akka-user%2Bunsubscribe@googlegroups.com>.
>>>>> For more options, visit this group at http://groups.google.com/**group
>>>>> **/akka-user?hl=en <http://groups.google.com/group/akka-user?hl=en>.

>>>> --
>>>> Viktor Klang

>>>> Akka Tech Lead
>>>> Typesafe <http://www.typesafe.com/> - The software stack for
>>>> applications that scale

>>>> Twitter: @viktorklang

>>> --
>>> You received this message because you are subscribed to the Google
>>> Groups "Akka User List" group.
>>> To view this discussion on the web visit https://groups.google.com/d/**
>>> msg/akka-user/-/kxwpgm6EPNgJ<https://groups.google.com/d/msg/akka-user/-/kxwpgm6EPNgJ>
>>> .

>>> To post to this group, send email to akka-user@googlegroups.com.
>>> To unsubscribe from this group, send email to akka-user+unsubscribe@**
>>> googlegroups.com <akka-user%2Bunsubscribe@googlegroups.com>.
>>> For more options, visit this group at http://groups.google.com/**
>>> group/akka-user?hl=en <http://groups.google.com/group/akka-user?hl=en>.

>> --
>> Viktor Klang

>> Akka Tech Lead
>> Typesafe <http://www.typesafe.com/> - The software stack for
>> applications that scale

>> Twitter: @viktorklang

> --
> You received this message because you are subscribed to the Google Groups
> "Akka User List" group.
> To view this discussion on the web visit
> https://groups.google.com/d/msg/akka-user/-/nxeatUyc_G0J.
> To post to this group, send email to akka-user@googlegroups.com.
> To unsubscribe from this group, send email to
> akka-user+unsubscribe@googlegroups.com.
> For more options, visit this group at
> http://groups.google.com/group/akka-user?hl=en.

> Roland Kuhn
> Typesafe <http://typesafe.com/> – The software stack for applications
> that scale.
> twitter: @rolandkuhn <http://twitter.com/#!/rolandkuhn>

>  --
> You received this message because you are subscribed to the Google Groups
> "Akka User List" group.
> To post to this group, send email to akka-user@googlegroups.com.
> To unsubscribe from this group, send email to
> akka-user+unsubscribe@googlegroups.com.
> For more options, visit this group at
> http://groups.google.com/group/akka-user?hl=en.

> Mic

> On Mon, May 7, 2012 at 4:46 PM, Roland Kuhn <goo...@rkuhn.info> wrote:

>> Hi Mic,

>> you might be interested in searching for mkString here:
>> http://www.scala-lang.org/api/current/index.html#scala.collection.Seq

>> Regards,

>> Roland

>> On May 7, 2012, at 02:03 , Mic wrote:

>> Hi Viktor,
>> I am sorry. I meant to get something like this:
>> 0 x 0 = 0
>> 1 x 1 = 1
>> 2 x 2 = 4
>> 3 x 3 = 9
>> 4 x 4 = 16
>> 5 x 5 = 25
>> 6 x 6 = 36
>> 7 x 7 = 49
>> 8 x 8 = 64
>> 9 x 9 = 81

>> Cheers,
>> Mic

>> On Monday, May 7, 2012 9:53:47 AM UTC+10, √ wrote:

>>> Hi Mic,

>>> On Mon, May 7, 2012 at 1:49 AM, Mic <micta...@gmail.com> wrote:

>>>> Hi Viktor,
>>>> Thank you. How to improve the output from the following code:

>>> How do I improve something without being given a metric?

>>> Cheers,
>>> √

>>>> import akka.dispatch.{Future, ExecutionContext}
>>>> import akka.util.duration._
>>>> import java.util.concurrent.**Executors

>>>> object Communication {
>>>>   def main(args: Array[String]) {
>>>>   implicit val ec = ExecutionContext.**fromExecutorService(
>>>>       Executors.**newCachedThreadPool());
>>>>   // send tasks to the dispather
>>>>   val results = Future.traverse(List.range(0,**10)){i =>
>>>>     Future("%d x %d = %d" format (i, i, i*i))
>>>>   } map println andThen { case _ => ec.shutdown }

>>>>   }
>>>> }
>>>> Current OUTPUT:
>>>> List(0 x 0 = 0, 1 x 1 = 1, 2 x 2 = 4, 3 x 3 = 9, 4 x 4 = 16, 5 x 5 =
>>>> 25, 6 x 6 = 36, 7 x 7 = 49, 8 x 8 = 64, 9 x 9 = 81)

>>>> Thank you in advance.

>>>> Mic

>>>> On Monday, May 7, 2012 12:30:37 AM UTC+10, √ wrote:

>>>>> Hi Mic,

>>>>> You'll want to avoid doing Await, it does do blocking, and blocking is
>>>>> bad.

>>>>> *    implicit val ec = ExecutionContext.fromExecutorService(**
>>>>> Executors.newCachedThreadPool()**) *
>>>>> *    Future { **"Hello" + "World" **} map println andThen { case _ =>
>>>>> ec.shutdown }*

>>>>> The code above will run "Hello" + "World" async, then the println
>>>>> async and then shut your ExecutionContext down when all is done.

>>>>> Cheers,
>>>>> √

>>>>> On Sun, May 6, 2012 at 4:01 PM, Mic <micta...@gmail.com> wrote:

>>>>>> Thank you, the following complete code runs:

>>>>>> *import akka.dispatch.{Await, Future, ExecutionContext} *
>>>>>> *import akka.util.duration._ *
>>>>>> *import java.util.concurrent.Executors *
>>>>>> *
>>>>>> *
>>>>>> *object HelloWorldFuture {*
>>>>>> *  def main(args: Array[String]) {*
>>>>>> *    val pool = Executors.newCachedThreadPool() *
>>>>>> *    implicit val ec = ExecutionContext.fromExecutorService(pool) *
>>>>>> *    val future = Future {*
>>>>>>  *      "Hello" + "World"*
>>>>>> *    }*
>>>>>> *    val result = Await.result(future, 1 second)*
>>>>>> *    println(result)*
>>>>>> *    pool.shutdown()*
>>>>>> *  }*
>>>>>> *} *

>>>>>> I have found the Actor doc better, because on the end there was a
>>>>>> complete code.

>>>>>> Mic

>>>>>> On Sunday, May 6, 2012 7:42:12 PM UTC+10, Mic wrote:

>>>>>>> Hello,
>>>>>>> I am not able to compile the AKKA 2 example http://doc.akka.io/**doc
>>>>>>> ****s/akka/2.0/scala/futures.**html#****Use_Directly<http://doc.akka.io/docs/akka/2.0/scala/futures.html#Use_Directly>

>>>>>>> *
>>>>>>> *
>>>>>>> *import akka.dispatch.Await*
>>>>>>> *import akka.dispatch.Future*
>>>>>>> *import akka.util.duration._*
>>>>>>> *
>>>>>>> *
>>>>>>> *
>>>>>>> *
>>>>>>> *object HelloWorldFuture {*
>>>>>>> *  def main(args: Array[String]) {*
>>>>>>> *    val future = Future {*
>>>>>>> *      "Hello" + "World"*
>>>>>>> *    }*
>>>>>>> *    val result = Await.result(future, 1 second)*
>>>>>>> *  }*
>>>>>>> *} *

>>>>>>> $ fsc -cp ../jars/akka/lib/akka/akka-**act****or-2.0.1.jar:.
>>>>>>> HelloWorldFuture.scala
>>>>>>> HelloWorldFuture.scala:8: error: could not find implicit value for
>>>>>>> parameter executor: akka.dispatch.ExecutionContext
>>>>>>>     val future = Future {
>>>>>>>                         ^
>>>>>>> one error found

>>>>>>> What did I do wrong?

>>>>>>> Thank you in advance.

>>>>>>> Mic

>>>>>> --
>>>>>> You received this message because you are subscribed to the Google
>>>>>> Groups "Akka User List" group.
>>>>>> To view this discussion on the web visit https://groups.google.com/d/
>>>>>> **ms**g/akka-user/-/f-2AIM4QU_EJ<https://groups.google.com/d/msg/akka-user/-/f-2AIM4QU_EJ>
>>>>>> .

>>>>>> To post to this group, send email to akka-user@googlegroups.com.
>>>>>> To unsubscribe from this group, send email to akka-user+unsubscribe@*
>>>>>> *googlegr**oups.com <akka-user%2Bunsubscribe@googlegroups.com>.
>>>>>> For more options, visit this group at http://groups.google.com/**
>>>>>> group**/akka-user?hl=en<http://groups.google.com/group/akka-user?hl=en>
>>>>>> .

>>>>> --
>>>>> Viktor Klang

>>>>> Akka Tech Lead
>>>>> Typesafe <http://www.typesafe.com/> - The software stack for
>>>>> applications that scale

>>>>> Twitter: @viktorklang

>>>> --
>>>> You received this message because you are subscribed to the Google
>>>> Groups "Akka User List" group.
>>>> To view this discussion on the web visit https://groups.google.com/d/**
>>>> msg/akka-user/-/kxwpgm6EPNgJ<https://groups.google.com/d/msg/akka-user/-/kxwpgm6EPNgJ>
>>>> .

>>>> To post to this group, send email to akka-user@googlegroups.com.
>>>> To unsubscribe from this group, send email to akka-user+unsubscribe@**
>>>> googlegroups.com <akka-user%2Bunsubscribe@googlegroups.com>.
>>>> For more options, visit this group at http://groups.google.com/**
>>>> group/akka-user?hl=en <http://groups.google.com/group/akka-user?hl=en>.

>>> --
>>> Viktor Klang

>>> Akka Tech Lead
>>> Typesafe <http://www.typesafe.com/> - The software stack for
>>> applications that scale

>>> Twitter: @viktorklang

>> --
>> You received this message because you are subscribed to the Google Groups
>> "Akka User List" group.
>> To view this discussion on the web visit
>> https://groups.google.com/d/msg/akka-user/-/nxeatUyc_G0J.
>> To post to this group, send email to akka-user@googlegroups.com.
>> To unsubscribe from this group, send email to
>> akka-user+unsubscribe@googlegroups.com.
>> For more options, visit this group at
>> http://groups.google.com/group/akka-user?hl=en.

>>  Roland Kuhn
>> Typesafe <http://typesafe.com/> – The software stack for applications
>> that scale.
>> twitter: @rolandkuhn <http://twitter.com/#!/rolandkuhn>

>>  --
>> You received this message because you are subscribed to the Google Groups
>> "Akka User List" group.
>> To post to this group, send email to akka-user@googlegroups.com.
>> To unsubscribe from this group, send email to
>> akka-user+unsubscribe@googlegroups.com.
>> For more options, visit this group at
>> http://groups.google.com/group/akka-user?hl=en.

>  --
> You received this message because you are subscribed to the Google Groups
> "Akka User List" group.
> To post to this group, send email to akka-user@googlegroups.com.
> To unsubscribe from this group, send email to
> akka-user+unsubscribe@googlegroups.com.
> For more options, visit this group at
> http://groups.google.com/group/akka-user?hl=en.

> In the future I will provide scalac direct output.

> Is the following solution a good solution:

> import akka.dispatch.{Future, ExecutionContext}
> import akka.util.duration._
> import java.util.concurrent.Executors

> object Communication {
>   def main(args: Array[String]) {
>   implicit val ec = ExecutionContext.fromExecutorService(
>       Executors.newCachedThreadPool());
>   // send tasks to the dispather
>   val results = Future.traverse(List.range(0,10)){i =>
>     Future("%d x %d = %d" format (i, i, i*i))
>   } andThen { case _ => ec.shutdown }

>   results.foreach{ res =>
>     println(res.mkString("\n"))
>   }
>   }
> }

> Output:
> 0 x 0 = 0
> 1 x 1 = 1
> 2 x 2 = 4
> 3 x 3 = 9
> 4 x 4 = 16
> 5 x 5 = 25
> 6 x 6 = 36
> 7 x 7 = 49
> 8 x 8 = 64
> 9 x 9 = 81

> Thank you in advance.

> Mic

> On Mon, May 7, 2012 at 11:40 PM, √iktor Ҡlang <viktor.kl...@gmail.com>
> wrote:

>> On Mon, May 7, 2012 at 3:33 PM, Mic <micta...@gmail.com> wrote:

>>> Hi Roland,
>>> I tried it out unsuccessful with the following code:
>>> import akka.dispatch.{Future, ExecutionContext}
>>> import akka.util.duration._
>>> import java.util.concurrent.Executors

>>> object Communication {
>>>   def main(args: Array[String]) {
>>>  implicit val ec = ExecutionContext.fromExecutorService(
>>>      Executors.newCachedThreadPool());
>>>  // send tasks to the dispather
>>>  val results = Future.traverse(List.range(0,10)){i =>
>>>    Future("%d x %d = %d" format (i, i, i*i))
>>>  } map(_.mkString("\n")) println andThen { case _ => ec.shutdown }

>>>   }
>>> }

>>> What did I do wrong?

>> Usually when one reports a problem, they include what the actual problem
>> was.

>> Follow the Scala compiler:

>> <console>:19: error: value println is not a member of
>> akka.dispatch.Future[String]
>>            } map(_.mkString("\n")) println andThen { case _ => ec.shutdown
>> }

>> Cheers,
>> √

>>> Thank you in advance.

>>> Mic

>>> On Mon, May 7, 2012 at 4:46 PM, Roland Kuhn <goo...@rkuhn.info> wrote:

>>>> Hi Mic,

>>>> you might be interested in searching for mkString
>>>> here: http://www.scala-lang.org/api/current/index.html#scala.collection.Seq

>>>> Regards,

>>>> Roland

>>>> On May 7, 2012, at 02:03 , Mic wrote:

>>>> Hi Viktor,
>>>> I am sorry. I meant to get something like this:
>>>> 0 x 0 = 0
>>>> 1 x 1 = 1
>>>> 2 x 2 = 4
>>>> 3 x 3 = 9
>>>> 4 x 4 = 16
>>>> 5 x 5 = 25
>>>> 6 x 6 = 36
>>>> 7 x 7 = 49
>>>> 8 x 8 = 64
>>>> 9 x 9 = 81

>>>> Cheers,
>>>> Mic

>>>> On Monday, May 7, 2012 9:53:47 AM UTC+10, √ wrote:

>>>>> Hi Mic,

>>>>> On Mon, May 7, 2012 at 1:49 AM, Mic <micta...@gmail.com> wrote:

>>>>>> Hi Viktor,
>>>>>> Thank you. How to improve the output from the following code:

>>>>> How do I improve something without being given a metric?

>>>>> Cheers,
>>>>> √

>>>>>> import akka.dispatch.{Future, ExecutionContext}
>>>>>> import akka.util.duration._
>>>>>> import java.util.concurrent.Executors

>>>>>> object Communication {
>>>>>>   def main(args: Array[String]) {
>>>>>>  implicit val ec = ExecutionContext.fromExecutorService(
>>>>>>      Executors.newCachedThreadPool());
>>>>>>  // send tasks to the dispather
>>>>>>  val results = Future.traverse(List.range(0,10)){i =>
>>>>>>    Future("%d x %d = %d" format (i, i, i*i))
>>>>>>  } map println andThen { case _ => ec.shutdown }

>>>>>>   }
>>>>>> }
>>>>>> Current OUTPUT:
>>>>>> List(0 x 0 = 0, 1 x 1 = 1, 2 x 2 = 4, 3 x 3 = 9, 4 x 4 = 16, 5 x 5 =
>>>>>> 25, 6 x 6 = 36, 7 x 7 = 49, 8 x 8 = 64, 9 x 9 = 81)

>>>>>> Thank you in advance.

>>>>>> Mic

>>>>>> On Monday, May 7, 2012 12:30:37 AM UTC+10, √ wrote:

>>>>>>> Hi Mic,

>>>>>>> You'll want to avoid doing Await, it does do blocking, and blocking
>>>>>>> is bad.

>>>>>>>     implicit val ec =
>>>>>>> ExecutionContext.fromExecutorService(Executors.newCachedThreadPool())
>>>>>>>     Future { "Hello" + "World" } map println andThen { case _ =>
>>>>>>> ec.shutdown }

>>>>>>> The code above will run "Hello" + "World" async, then the println
>>>>>>> async and then shut your ExecutionContext down when all is done.

>>>>>>> Cheers,
>>>>>>> √

>>>>>>> On Sun, May 6, 2012 at 4:01 PM, Mic <micta...@gmail.com> wrote:

>>>>>>>> Thank you, the following complete code runs:

>>>>>>>> import akka.dispatch.{Await, Future, ExecutionContext}
>>>>>>>> import akka.util.duration._
>>>>>>>> import java.util.concurrent.Executors

>>>>>>>> object HelloWorldFuture {
>>>>>>>>   def main(args: Array[String]) {
>>>>>>>>     val pool = Executors.newCachedThreadPool()
>>>>>>>>     implicit val ec = ExecutionContext.fromExecutorService(pool)
>>>>>>>>     val future = Future {
>>>>>>>>       "Hello" + "World"
>>>>>>>>     }
>>>>>>>>     val result = Await.result(future, 1 second)
>>>>>>>>     println(result)
>>>>>>>>     pool.shutdown()
>>>>>>>>   }
>>>>>>>> }

>>>>>>>> I have found the Actor doc better, because on the end there was a
>>>>>>>> complete code.

>>>>>>>> Mic

>>>>>>>> On Sunday, May 6, 2012 7:42:12 PM UTC+10, Mic wrote:

>>>>>>>>> Hello,
>>>>>>>>> I am not able to compile the AKKA 2
>>>>>>>>> example http://doc.akka.io/docs/akka/2.0/scala/futures.html#Use_Directly

>>>>>>>>> import akka.dispatch.Await
>>>>>>>>> import akka.dispatch.Future
>>>>>>>>> import akka.util.duration._

>>>>>>>>> object HelloWorldFuture {
>>>>>>>>>   def main(args: Array[String]) {
>>>>>>>>>     val future = Future {
>>>>>>>>>       "Hello" + "World"
>>>>>>>>>     }
>>>>>>>>>     val result = Await.result(future, 1 second)
>>>>>>>>>   }
>>>>>>>>> }

>>>>>>>>> $ fsc -cp ../jars/akka/lib/akka/akka-actor-2.0.1.jar:.
>>>>>>>>> HelloWorldFuture.scala
>>>>>>>>> HelloWorldFuture.scala:8: error: could not find implicit value for
>>>>>>>>> parameter executor: akka.dispatch.ExecutionContext
>>>>>>>>>     val future = Future {
>>>>>>>>>                         ^
>>>>>>>>> one error found

>>>>>>>>> What did I do wrong?

>>>>>>>>> Thank you in advance.

>>>>>>>>> Mic

>>>>>>>> --
>>>>>>>> You received this message because you are subscribed to the Google
>>>>>>>> Groups "Akka User List" group.
>>>>>>>> To view this discussion on the web visit
>>>>>>>> https://groups.google.com/d/msg/akka-user/-/f-2AIM4QU_EJ.

>>>>>>>> To post to this group, send email to akka-user@googlegroups.com.
>>>>>>>> To unsubscribe from this group, send email to
>>>>>>>> akka-user+unsubscribe@googlegroups.com.
>>>>>>>> For more options, visit this group at
>>>>>>>> http://groups.google.com/group/akka-user?hl=en.

>>>>>>> --
>>>>>>> Viktor Klang

>>>>>>> Akka Tech Lead
>>>>>>> Typesafe - The software stack for applications that scale

>>>>>>> Twitter: @viktorklang

>>>>>> --
>>>>>> You received this message because you are subscribed to the Google
>>>>>> Groups "Akka User List" group.
>>>>>> To view this discussion on the web visit
>>>>>> https://groups.google.com/d/msg/akka-user/-/kxwpgm6EPNgJ.

>>>>>> To post to this group, send email to akka-user@googlegroups.com.
>>>>>> To unsubscribe from this group, send email to
>>>>>> akka-user+unsubscribe@googlegroups.com.
>>>>>> For more options, visit this group at
>>>>>> http://groups.google.com/group/akka-user?hl=en.

>>>>> --
>>>>> Viktor Klang

>>>>> Akka Tech Lead
>>>>> Typesafe - The software stack for applications that scale

>>>>> Twitter: @viktorklang

>>>> --
>>>> You received this message because you are subscribed to the Google
>>>> Groups "Akka User List" group.
>>>> To view this discussion on the web visit
>>>> https://groups.google.com/d/msg/akka-user/-/nxeatUyc_G0J.
>>>> To post to this group, send email to akka-user@googlegroups.com.
>>>> To unsubscribe from this group, send email to
>>>> akka-user+unsubscribe@googlegroups.com.
>>>> For more options, visit this group at
>>>> http://groups.google.com/group/akka-user?hl=en.

>>>> Roland Kuhn
>>>> Typesafe – The software stack for applications that scale.
>>>> twitter: @rolandkuhn

>>>> --
>>>> You received this message because you are subscribed to the Google
>>>> Groups "Akka User List" group.
>>>> To post to this group, send email to akka-user@googlegroups.com.
>>>> To unsubscribe from this group, send email to
>>>> akka-user+unsubscribe@googlegroups.com.
>>>> For more options, visit this group at
>>>> http://groups.google.com/group/akka-user?hl=en.

>>> --
>>> You received this message because you are subscribed to the Google Groups
>>> "Akka User List" group.
>>> To post to this group, send email to akka-user@googlegroups.com.
>>> To unsubscribe from this group, send email to
>>> akka-user+unsubscribe@googlegroups.com.
>>> For more options, visit this group at
>>> http://groups.google.com/group/akka-user?hl=en.

>> --
>> Viktor Klang

>> Akka Tech Lead
>> Typesafe - The software stack for applications that scale

>> Twitter: @viktorklang

>> --
>> You received this message