Play/Scala as application platform (for 2013)
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Transcript of Play/Scala as application platform (for 2013)
Scala/Play - web platform
Ruslan Shevchenko
Scala -- :
http://www.scala-lang.org
Play framework
http://www.playframework.org
Open Source
(typesafe).
http://www.typesafe.org
ROR-
(less, coffescript, require.js ... etc)
Async interfaces. [WebSockers, comet]
Developer friendly
ROR-
.................
Scala
Scala
JVM based (Java byte-code)
,
Scala, :
def sumEvens(seq: Seq[Int]) = seq.filter.{ _ % 2 == 0 }.sum
Scala, :
int sumEvens(l: ArrayList[Integer]): Int{ int sum = 0 for(x in l) { if (x %2 == 0) sum += x; } return sum;}
def sumEvens(seq: Seq[Int]) = seq.filter.{ _ % 2 == 0 }.sum
Java:
Scala, :
function sumEvens($seq){ $sum = 0 foreach($seq as $x) { if ($x %2 == 0) $sum = $sum + x; } return $sum;}
def sumEvens(seq: Seq[Int]) = seq.filter.{ _ % 2 == 0 }.sum
PHP:
Scala
1. 2.
:
:
1. .2. 3. Java 4. DSL........ ( )
Play
- MVC ( ROR Zend)
Application
Controller
View
Router
( View )
Json REST
API
Akka
Netty
Request => Reply
WebSocket
Comet
client-side
less
coffescript
JavaScript modules
LAMP
Linux
Apache
MySql
PHP (Perl, Python)
CPMS
Cloud
Play
Mongo
Scala
LAMP
Linux
Apache
MySql
PHP (Perl, Python)
CPMS
Cloud
Play
Mongo
Scala
CPMS
Cloud
Play
Mongo
Scala
CP_S
Cloud
Play
Any
Scala/Java
CPMS
Cloud
Play
Mongo
Scala
CP_S
Cloud
Amazon, Heroky, CloudBess, Cloud Foundry...
Play
_
NoSQL
Mongo, Cassandra, ...
SQL
Postgress ....
Scala
( java )
:
https://github.com/guardian/
http://engineering.linkedin.com/
Scala/Play:
Scala/Play:
http://www.typesafe.com/ (play activator)
http://www.playframework.org (documenation)
http://www.scala-lang.org (documentation)
http://twitter.github.io/scala_school/
Scala UA
google group: scala-ua
FB Group: scala ukraine.
https://www.facebook.com/groups/256373621041781/
https://groups.google.com/forum/?fromgroups#!forum/scala-ua
@rssh1
