theho

# https://askubuntu.com/questions/799184/how-can-i-install-cuda-on-ubuntu-16-04
# https://www.perfacilis.com/blog/crypto-currency/mining-ethereum-on-ubuntu-with-ethminer.html
# https://gist.github.com/johnstcn/add029045db93e0628ad15434203d13c
# https://wiki.archlinux.org/index.php/NVIDIA/Tips_and_tricks

sudo apt update
sudo apt upgrade

sudo apt-get purge nvidia-cuda*

theho

##################
##  LANSTREAM   ##
##################
# This is a sample configuration file
# Please don't copy and paste this exactly, read through it and understand what you're doing

# nginx-rtmp can be a little strange when working multithreaded, so we turn it off
worker_processes  1;

theho

Setup Nginx

# /usr/local/nginx/conf/nginx.conf
worker_processes  auto;
events {
    worker_connections  1024;
}

# RTMP configuration

theho

Angular 2 Starter Template

http://plnkr.co/edit/2aIgMzUx7XgZe9EA6upB?p=preview&open=app%2Fapp.component.ts

Smart Container

http://plnkr.co/edit/EIsS2pFsDwATaq1Ibxvb?p=preview

Dumb Component

http://plnkr.co/edit/hCCEtt1SVohWN80s0ej8?p=preview&open=app%2Fapp.component.ts

Encapsulated Styles and :host

theho

#Comprehensive Introduction to @ngrx/store By: @BTroncone

Also check out my lesson @ngrx/store in 10 minutes on egghead.io!

Update: Non-middleware examples have been updated to ngrx/store v2. More coming soon!

Table of Contents

theho

Install DSE (Cassandra and Spark)

useful links:

• pyspark-cassandra
• pyspark-cassandra

Install Cassandra

Update apt

theho

from cassandra.cluster import Cluster
from cassandra.auth import PlainTextAuthProvider

#
auth_provider = PlainTextAuthProvider(
    username='jimmy', password='??????')

cluster = Cluster(contact_points=['dse1'], auth_provider=auth_provider)
session = cluster.connect()
#

theho

"""
Single Node Cassandra/Spark using pySpark

"""
import os
import sys

SPARK_HOME = "/Users/jimmy/dev/spark"

os.environ['SPARK_HOME'] = SPARK_HOME

theho

Backend Architectures

Twitter

ror, scala, jetty, erlang, thrift, mongrel, comet server, my-sql, memchached, varnish, kestrel(mq), starling, gizzard, cassandra, hadoop, vertica, munin, nagios, awstats

• Introduce Gizzard of Twitter - 트위터의 새로운 분산 관리 라이브러리 Gizzard를 소개합니다.
• The Architecture Twitter Uses to Deal with 150M Active Users, 300K QPS, a 22 MB/S Firehose, and Send Tweets in Under 5 Seconds
• Scaling Twitter: Making Twitter 10000 Percent Faster

theho

# Inspired by $q/Q in javascript to chain methods
class Q:
    def __init__(self, d):
        self.d = d
        self.error = None

    def then(self, fn):
        if not self.error:
            try: