tachesimazzoca

val strings = Array("Foo", "") map { str =>
  Some(str).filter(_ != "").getOrElse("Bar")
}
strings.foreach(println)

tachesimazzoca

val timeParser: (String => (String, String)) = { str =>
  val ptn = """^(0?[0-9]|1[0-9]|2[0-3]):(0?[0-9]|[1-5][0-9])$""".r
  ptn findFirstIn str match {
    case Some(ptn(h, m)) => ("%02d".format(h.toInt), "%02d".format(m.toInt))
    case None => ("--", "--")
  }
}

Array("01:23", "1:23", "12:34", "23:60", "25:00") foreach { str =>
  val (hour, min) = timeParser(str)

tachesimazzoca

val urlMatcher: (String => Option[Map[Symbol, String]]) = { str =>
  val ptn = """^(https?)://([^/]+)(.*)$""".r
  for { ptn(m1, m2, m3) <- ptn findFirstIn str } yield {
    Map(
      'scheme -> m1,
      'host -> m2,
      'uri -> m3
    )
  }
}

tachesimazzoca

import java.util.Date

// Use StringLike#format
println("%tY-%<tm-%<td %<tH:%<tM:%<tS".format(new Date()))

tachesimazzoca

import java.io._

object HexDumper {

  def main(args: Array[String]) {

    def withCloseable(args: Array[Closeable])(f: (Array[Closeable]) => Unit) =
      try f(args) finally args map { _.close }

    withCloseable(

tachesimazzoca

set directory=$HOME/.vim/swap
set nobackup

set number
set expandtab
set tabstop=2
set softtabstop=2
set shiftwidth=2
"set foldmethod=marker

tachesimazzoca

# Unix timestamp
% date "+%s"
1348029114
% date -d @1348029114 "+%Y-%m-%d %H:%M:%S"
2012-09-19 13:31:54

tachesimazzoca

$:.unshift File.dirname(__FILE__) 
$:.unshift File.join(File.dirname(__FILE__), *%w[.. lib]) # "../lib"

tachesimazzoca

PID = /path/to/unicorn.pid

all:
    @echo Usage: (start|stop|restart|graceful)
start:
    @bundle exec unicorn -c config/unicorn.rb -D
stop:
    @[[ -s "$(PID)" ]] && kill -QUIT `cat $(PID)`
restart:
    @[[ -s "$(PID)" ]] && kill -HUP `cat $(PID)`

tachesimazzoca

% su -
% dd if=/dev/zero of=/swap bs=1M count=2048
% mkswap /swap
% swapon /swap
% vi /etc/fstab
....
/swap swap swap defaults 0 0