BlancosWay BlancosWay

Importing/Indexing database (MySQL or SQL Server) in Solr using Data Import Handler

Install Solr

download and install Solr from http://lucene.apache.org/solr/.

you can access Solr admin from your browser: http://localhost:8983/solr/

use the port number used in installation.

Update, September 2016

OK, you can pretty much ignore what I wrote below this update, because it doesn't really apply anymore.

I wrote this over a year ago, and at the time I had spent a couple of weeks trying to get Kafka 0.8 working with .NET and then Node.js with much frustration and very little success. I was rather angry. It keeps getting linked, though, and just popped up on Hacker News, so here's sort of an update, although I haven't used Kafka at all this year so I don't really have any new information.

In the end, we managed to get things working with a Node.js client, although we continued to have problems, both with our code and with managing a Kafka/Zookeeper cluster generally. What made it worse was that I did not then, and do not now, believe that Kafka was the correct solution for that particular problem at that particular company. What they were trying to achieve could have been done more simply with any number of other messaging systems, with a subscriber reading messages off and writing

A collection of The Morning Paper posts relating to containers, operating systems etc.

In order of first appearance in The Morning Paper.

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

Clarify and agree on the scope of the system

User cases (description of sequences of events that, taken together, lead to a system doing something useful)
- Who is going to use it?
- How are they going to use it?

	package client;

	import java.io.DataOutputStream;
	import java.io.FileInputStream;
	import java.io.IOException;
	import java.net.Socket;

	public class FileClient {

	private Socket s;

	Install TensorFlow (CPU), Keras, and some other tools to a new anaconda environment.

	Open Anaconda Prompt

	conda create --name tensorflow35 python=3.5
	conda activate tensorflow35
	conda install jupyter
	conda install scipy
	conda install spyder
	pip install tensorflow

	upstream docker-mirror-upstream {
	server upstream.example.com;
	}

	proxy_cache_path /var/lib/docker-mirror/cache levels=1:2 max_size=10g inactive=48h keys_zone=cache:10m;

	server {
	listen 80 default_server;
	listen 443 ssl default_server;

-#!/bin/bash
-JQPATH=$(which jq)
-if [ "x$JQPATH" == "x" ]; then
-  echo "Couldn't find jq executable." 1>&2
-  exit 2
-fi
-set -eu
-shopt -s nullglob