Damien RAYMOND Dnomyar

## install.md

      
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                Ryanb58
                / install.md
            
            
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                How to install telnet into a alpine docker container. This is useful when using the celery remote debugger in a dev environment. 
              
          
    >>> docker exec -it CONTAINERID /bin/sh
/app # telnet
/bin/sh: telnet: not found

/app # apk update
fetch http://dl-cdn.alpinelinux.org/alpine/v3.7/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.7/community/x86_64/APKINDEX.tar.gz
v3.7.0-243-gf26e75a186 [http://dl-cdn.alpinelinux.org/alpine/v3.7/main]
v3.7.0-229-g087f28e29d [http://dl-cdn.alpinelinux.org/alpine/v3.7/community]


## prettyPrint.scala
def pp(tree: String, indentSize: Int = 2): String = {
  var indentLevel = 0
  var outputTree = ""
  tree foreach { char => char match {
    case '(' =>
      indentLevel += 1
      outputTree += char.toString+'\n'+indents
    case ')' =>
      indentLevel -= 1
      outputTree += "\n" + indents + char.toString

## CODE.scala
import play.api.libs.json._
import play.api.libs.functional.syntax._

val r = (
  (__ \ "field1").readNullable[String] and
  (__ \ "field2").readNullable[Int]
).tupled.filter(ValidationError("unexpected result")){
  case( Some(x), None ) => true;
  case ( None, Some(x) ) => true;
  case _ => false

## BaseN.scala
/**
 * Scala hex / decimal binary calculator
 * (c) Mark Lister 2012
 * Licence Apache 2.
 */

class BaseN(b: BigInt, val baseN: Int) extends BigInt(b.underlying) {
  def n(x: Int) = new BaseN(b, x)

  /**

## 1.sql
# --- !Ups

CREATE TABLE users(
  email                     VARCHAR(255) NOT NULL PRIMARY KEY,
  name                      VARCHAR(255)
);

CREATE TABLE subjects(
  id                        INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY,
  title                     LONGTEXT NOT NULL,
	def pp(tree: String, indentSize: Int = 2): String = {
	var indentLevel = 0
	var outputTree = ""
	tree foreach { char => char match {
	case '(' =>
	indentLevel += 1
	outputTree += char.toString+'\n'+indents
	case ')' =>
	indentLevel -= 1
	outputTree += "\n" + indents + char.toString
	import play.api.libs.json._
	import play.api.libs.functional.syntax._

	val r = (
	(__ \ "field1").readNullable[String] and
	(__ \ "field2").readNullable[Int]
	).tupled.filter(ValidationError("unexpected result")){
	case( Some(x), None ) => true;
	case ( None, Some(x) ) => true;
	case _ => false
	/**
	* Scala hex / decimal binary calculator
	* (c) Mark Lister 2012
	* Licence Apache 2.
	*/

	class BaseN(b: BigInt, val baseN: Int) extends BigInt(b.underlying) {
	def n(x: Int) = new BaseN(b, x)

	/**
	# --- !Ups

	CREATE TABLE users(
	email VARCHAR(255) NOT NULL PRIMARY KEY,
	name VARCHAR(255)
	);

	CREATE TABLE subjects(
	id INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY,
	title LONGTEXT NOT NULL,