cfchou

Scala for comprehension translation helper

"For comprehension" is a another syntaxe to use map, flatMap and withFilter (or filter) methods.

yield keyword is used to aggregate values in the resulting structure.

This composition can be used on any type implementing this methods, like List, Option, Try, Future...

[sudo] apt-get install stunnel

cd path/to/django/project

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

	class A
	class B extends Serializable

	val baos = new java.io.ByteArrayOutputStream(1024)
	val oos = new java.io.ObjectOutputStream(baos)

	val streamSurprise: Seq[A] = Stream.fill(3)(new A) // say you don't know it's a Stream under the covers
	val transformation = streamSurprise map (a => new B)

	oos.writeObject(transformation) // fails due to NotSerializableException: A

	trait Companion[T] {
	type C
	def apply() : C
	}

	object Companion {
	implicit def companion[T](implicit comp : Companion[T]) = comp()
	}

	object TestCompanion {

	{-# LANGUAGE GADTs #-}
	{-# LANGUAGE RankNTypes #-}
	{-# LANGUAGE StandaloneDeriving #-}
	module RedBlackTree where

	data Zero
	data Succ n
	type One = Succ Zero

	data Black

	#!/bin/bash

	# Script for installing tmux on systems where you don't have root access.
	# tmux will be installed in $HOME/local/bin.
	# It's assumed that wget and a C/C++ compiler are installed.

	# exit on error
	set -e

	TMUX_VERSION=1.8

	#!/usr/bin/env python2
	"""
	Author: takeshix <[email protected]>
	PoC code for CVE-2014-0160. Original PoC by Jared Stafford ([email protected]).

	Supportes all versions of TLS and has STARTTLS support for SMTP,POP3,IMAP,FTP and XMPP.
	"""

	import sys,struct,socket
	from argparse import ArgumentParser

	#!/usr/bin/env python2

	# Heart-shaped tool
	# =================

	# Testing tool in demonstration of CVE-2014-0160.
	# Heavily derived from code by Jared Stafford ([email protected]).
	# This version by: @zenoamaro, <zenoamaro at gmail dot com>

	# Hits the Heartbleed vulnerability on a hostname.