zedar

Add LZO compresssion codecs to the Apache Hadoop and Spark

LZO is a splittable compression format for files stored in Hadoop’s HDFS. It has valuable combination of speed and compression size. Thanks to hadoop-lzo the .lzo files could be splittable too.

• Install lzo and lzop codes [OSX].

$ brew install lzo lzop

• Find where the headers and libraries are installed

anhar

Setting up iOS Universal Links

Table of Contents

• Resources
  • General link resources
  • Validation tools
• Server configuration
  • Apple JSON Metadata file
• Create a JSON file called apple-app-association

tolitius

Thanks!

Alan Dipert (@alandipert) and Micha Niskin (@micha)

for Boot, slides and help with Boot intel.

Juno Terepi (@deraen)

for slides and help with Lein pitfals

djspiewak

Explaining Miles's Magic

Miles Sabin recently opened a pull request fixing the infamous SI-2712. First off, this is remarkable and, if merged, will make everyone's life enormously easier. This is a bug that a lot of people hit often without even realizing it, and they just assume that either they did something wrong or the compiler is broken in some weird way. It is especially common for users of scalaz or cats.

But that's not what I wanted to write about. What I want to write about is the exact semantics of Miles's fix, because it does impose some very specific assumptions about the way that type constructors work, and understanding those assumptions is the key to getting the most of it his fix.

For starters, here is the sort of thing that SI-2712 affects:

def foo[F[_], A](fa: F[A]): String = fa.toString

mfikes

An experimental change for fast Clojure REPL startup:

1. Download the JAR: clojure-1.8.0-fast.jar
2. Launch it via java -jar clojure-1.8.0-fast.jar

The code used to create this JAR is on GitHub.

What's it doing?

It is:

OlegIlyenko

import sangria.ast
import sangria.execution.Executor
import sangria.marshalling.{InputUnmarshaller, ScalarValueInfo, ArrayMapBuilder, ResultMarshaller}
import sangria.schema._
import sangria.validation.{ValueCoercionViolation, IntCoercionViolation, BigIntCoercionViolation}
import spray.json._
import sangria.macros._
import scala.concurrent.ExecutionContext.Implicits.global

implicit object CustomSprayJsonResultMarshaller extends ResultMarshaller {

ikhoon

Links on Must watch talks

• A Year living Freely - Chris Myers

  http://youtu.be/rK53C-xyPWw

• Programs as Values Pure Composable Database Access in Scala. In general each talk from Rob Norris is very useful for learning.

  https://m.youtube.com/watch?v=XHiTK4UOIf0

tomfa

resource "aws_iam_instance_profile" "beanstalk_service" {
    name = "beanstalk-service-user"
    roles = ["${aws_iam_role.beanstalk_service.name}"]
}

resource "aws_iam_instance_profile" "beanstalk_ec2" {
    name = "beanstalk-ec2-user"
    roles = ["${aws_iam_role.beanstalk_ec2.name}"]
}

kamos1

Welcome to Phalka Posse!

Mission: Create intentional independet positive change

Phalka at Turing:

• Tuesdays: come eat lunch
• Fridays: Spikes will be dedicated to project work time or speakers or panels

Phalka outside of Turing

• As these events come up you'll be notified

klpx

/**
  Copy left Alexander Hasselbach
  
  Usage:
  
  val E = b.add(splitEither[Throwable,Int])
  val parsed = b.add(Flow[Either[Throwable,Int]])
  val valids = b.add(Flow[Int])
  val invalids = b.add(Flow[Throwable])