cghiban

The shell script was used to clean the data and upload it to BigQuery. You can access the data yourself there:

https://bigquery.cloud.google.com/table/nypd-data:nypd.stop_and_frisk

Or if you simply want a giant zip of CSV files, go here (note: You'll have to do the work of reconciling the columns in order to get all the files into one database):

http://stash.compciv.org.s3.amazonaws.com/nypd-stop-and-frisk/2003-2013.zip

The R script in this gist produces the image below:

cghiban

#!/usr/bin/env perl

use Mojolicious::Lite;
use Mojo::JSON 'j';
use Mojo::Asset::Memory;
use File::Spec;

helper send_ready_signal => sub {
  my $self = shift;
  my $payload = { ready => \1 };

cghiban

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

cghiban

fastcgi_cache_path /var/cache/nginx levels=1:2 keys_zone=microcache:10m max_size=1024m inactive=15m;
map $http_cookie $cache_uid {
	default nil; # hommage to Lisp :)
	~SESS[[:alnum:]]+=(?<session_id>[[:alnum:]]+) $session_id;
}

map $request_method $no_cache {
	default 1;
	HEAD 0;
	GET 0;

cghiban

# Set cache dir
proxy_cache_path /var/cache/nginx levels=1:2 
                 keys_zone=microcache:5m max_size=1000m;

# Virtualhost/server configuration
server {
    listen   80;
    server_name  yourhost.domain.com;

    # Define cached location (may not be whole site)

cghiban

from datetime import datetime
from sqlalchemy import Column, Integer, DateTime, ForeignKey
from sqlalchemy.orm import relationship
from sqlalchemy.ext.declarative import declared_attr
from flask_security import current_user


class AuditMixin(object):
    created_at = Column(DateTime, default=datetime.now)
    updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now)

cghiban

#/bin/sh

input=$1

fname=$(echo $input|sed -e 's/\.\w*$//')
avconv -v quiet -i $input -vframes 1 -an -f image2 -y $fname.jpg

cghiban

#!/usr/bin/env bash

perl_version='5.25.6'
perl_version='5.24.0'

verify_pkg() {
  pkg="$1"
  [[ $(which "${pkg}") ]] || {
    echo "${pkg} not found.  Exiting..."
    exit 1

cghiban

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

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.

---

cghiban

#!/bin/sh

input=$1
size=$(ffmpeg $1 2>&1|grep -E "[0-9]x[0-9]"|sed -e 's/^.*\s\([0-9]*x[0-9]*\),.*/\1/')
echo "$1\t$size"