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def retry_with_backoff(success_func, backoff_rate=2, checkback_time=1):
  def wrap(f):
    def new_function(*args, **kw):
      try:
        f(*args, **kw)
        try_in(checkback_time, retry, [checkback_time, args, kw])
      finally:
        pass 

    def retry(delay, args, kw):

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List(1, 2, 3)

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val logs: List[String] = aLotOfStrings
logs.map(_.takeWhile(_ != ' ')).grouped(8).count(_.contains("ERROR"))

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def nonview = (1 to 5000000).map(_ % 10).filter(_ > 5).reduce(_ + _)
def view = (1 to 5000000).view.map(_ % 10).filter(_ > 5).reduce(_ + _)

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var i,j,k = 0
var x = 0L
while(i < 10000) {
  while(j < 1000) {
    while(k < 1000) {
      x += 1
      k += 1
    }
    k = 0;
    j += 1

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var x = 0L
for(i <- 0 to 10000; j <- 0 to 1000; k <- 0 to 1000) {
  x += 1
}

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(1 until 1000).count(_ % 10 == 0)

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var x = 1
var num = 0
while(x < 1000) {
  if(x % 10 == 0) { num += 1 }
  x += 1
}

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(1 to 10) map (_ + 5) map (_ * 2)

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logs.view.map(_.takeWhile(_ != ' ')).grouped(8).count(_.contains("ERROR"))