cjwebb

# This uses the Docker builder pattern.
# The first container runs SBT to stage our application.
# todo - use a Docker image that has already downloaded SBT
FROM hseeberger/scala-sbt AS builder
WORKDIR /app
COPY src src
COPY project project
COPY build.sbt build.sbt
RUN sbt stage

cjwebb

if [ -z "$1" ]
then
  echo "Usage: ./kinesis-messages.sh <stream-name>"
  exit 1
fi

streamname=$1; aws kinesis describe-stream --stream-name $streamname --output text | grep SHARDS | awk '{print $2}' | while read shard; do aws kinesis get-shard-iterator --stream-name $streamname --shard-id $shard --shard-iterator-type LATEST --output text | while read iterator; do while output=`aws kinesis get-records --shard-iterator $iterator --output text`; do iterator=`echo "$output" | head -n1 | awk '{print $2}'`; echo "$output" | awk 'NR > 1' | grep RECORDS | while read record; do echo $record | awk '{print $3}' | base64 -D | jq .; done; done; done; done

cjwebb

Berankis    15:0 15:15 15:30 15:40, BP  6-3 4-6 7-6 4-6 7-5
Cilic   0:15 15:15 15:30 15:40 30:40 40:40 A:40  6-3 4-6 7-6 4-6 6-5
Berankis    15:0 30:0 40:0 40:15    6-3 4-6 7-6 4-6 5-5
Cilic   15:0 30:0 40:0  6-3 4-6 7-6 4-6 5-4
Berankis    15:0 30:0 40:0  6-3 4-6 7-6 4-6 4-4
Cilic   15:0 15:15 30:15 40:15 40:30    6-3 4-6 7-6 4-6 4-3
Berankis    0:15 15:15 30:15 40:15  6-3 4-6 7-6 4-6 3-3
Cilic   0:15 15:15 15:30 15:40 30:40 40:40 A:40 40:40 A:40  6-3 4-6 7-6 4-6 3-2
Berankis    15:0 15:15 30:15 40:15  6-3 4-6 7-6 4-6 2-2
Cilic   15:0 30:0 40:0  6-3 4-6 7-6 4-6 2-1

cjwebb

import Color exposing (..)
import Graphics.Collage exposing (..)
import Graphics.Element exposing (..)

main : Element
main = 
  collage 300 300
    [ blueLine
    , xAxis
    , yAxis

cjwebb

Lecture videos, programming assignments, and exam papers for [MIT's Artificial Intelligence course][course-url] are available online. These are my notes from "taking" the course.

[Lecture 1: Introduction and Scope][lecture-1]

This course, and every subject at MIT, is based around making models. [Professor Winston][prof-winston] explains that this course will teach:

Algorithms enabled by

Constraints evolved by

cjwebb

acorn squash
ale
alfalfa sprouts
allspice
almond
almond extract
almonds
amaretti
amaretto
anchovies

cjwebb

MERGE (f:Food:Recipe {id: "e02e63be-2b7c-4bfe-a1a0-7d6153f24673", name: "Bread sauce", source_url: "http://www.bbc.co.uk/food/recipes/breadsauce_84755", source_name: "BBC Food", image_url: "http://ichef.bbci.co.uk/food/ic/food_16x9_448/recipes/breadsauce_84755_16x9.jpg", description: "This crowd-pleasing bread sauce recipe by Nigella Lawson is an easy extra for Christmas Day and is just as good served cold with leftovers. The recipe appears in Nigella's book Feast, published by Chatto & Windus."});
MERGE (f:Food{ name:"1 day-old loaf unsliced white bread"}) ON CREATE SET f.id = "d744762e-2351-480a-84fb-878d53b72992";
MATCH (r:Recipe {id: "e02e63be-2b7c-4bfe-a1a0-7d6153f24673"}),(f:Food{id:"d744762e-2351-480a-84fb-878d53b72992"}) CREATE (r)-[:CONTAINS]->(f);
MERGE (f:Food{ name:"1 litre/2 pints full-fat milk"}) ON CREATE SET f.id = "8840ab8d-61f4-4c7a-bcbe-cd607be10772";

cjwebb

import com.github.fge.jsonschema.core.report.ProcessingMessage

import scala.collection.JavaConversions._

import com.fasterxml.jackson.databind.JsonNode
import com.github.fge.jsonschema.main.JsonSchemaFactory

import org.json4s._
import org.json4s.jackson.JsonMethods._

cjwebb

Creating a table with a timestamp column, and then inserting data with a massive timestamp results in CQLSH errors when trying to remove the inserted data.

Connected to Test Cluster at 127.0.0.1:9042.
[cqlsh 5.0.1 | Cassandra 2.1.0 | CQL spec 3.2.0 | Native protocol v3]

cqlsh> create keyspace test WITH REPLICATION = { 'class' : 'SimpleStrategy', 'replication_factor' : 3 };
cqlsh> use test;
cqlsh:test> create table test.table1 (id int, time timestamp, primary key (id));
clqsh:test> insert into table1(id, time) values (1, 1000000000000000) ;
cqlsh:test> select * from table1;

cjwebb

package main

import (
        "net"
        "net/textproto"
        "fmt"
        "log"
        "bufio"
)