Kyros Koh kyroskoh

This bar chart uses C3.js to plot USGS Earthquake depth data.

It uses the CartoDB SQL API to pull these data from a sync table, making this map into a chart.

Source: USGS Earthquake Hazard Program

Data Store: CartoDB

Creating a Twitter bot with Node.js

Learn how you can create your own Twitter bot using Node.js and the new Twitter API. The bot will auto retweet in response to tweets with some particular hashtags. (https://goo.gl/4whEIt)

Here are the tools we’ll be using to create the bot —

	# Dependencies
	# nginx_lua
	# lua uuid module (luarocks install uuid)

	http {

	# this will be the request id
	map $host $request_uuid {
	default '';
	}

	# command to generate dhparams.pen
	# openssl dhparam -out /etc/nginx/conf.d/dhparams.pem 2048

	limit_conn_zone $binary_remote_addr zone=conn_limit_per_ip:10m;
	limit_req_zone $binary_remote_addr zone=req_limit_per_ip:10m rate=5r/s;
	limit_req_status 444;
	limit_conn_status 503;

	proxy_cache_path /var/lib/nginx/proxy levels=1:2 keys_zone=backcache:8m max_size=50m;
	proxy_cache_key "$scheme$request_method$host$request_uri$is_args$args";

	# AWS S3 Log Format
	# config file
	date-format %d/%b/%Y
	time-format %T
	log-format %^ %^ [%d:%t %^] %h %^ %^ %^ %^ "%^ %r %^" %s %^ %b %^ %^ %^ "%^" "%u" %^


	# example log
	#
	1d82a3126606ef56450b5ea405d549ce4e5a5c29ccd240012c6032c9d7dc454f random [09/Aug/2015:06:20:46 +0000] 1.129.96.209 - 494F7E82C4F16813 REST.HEAD.OBJECT files/24/2015-08/e86c1ab2-563b-40f8-aa61-3eecefe30867_f.png "HEAD /app/files/24/2015-08/e86c1ab2-563b-40f8-aa61-3eecefe30867_f.png HTTP/1.1" 200 - - 8610 19 - "-" "someapp/3.0.0 (Windows_NT; x64 6.1.7601; Intel R Core TM i3-4160 CPU @ 3.60GHz) nodejs/v0.10.29 device/12345" -

	#!/bin/bash
	sudo add-apt-repository ppa:chris-lea/libsodium;
	sudo echo "deb http://ppa.launchpad.net/chris-lea/libsodium/ubuntu trusty main" >> /etc/apt/sources.list;
	sudo echo "deb-src http://ppa.launchpad.net/chris-lea/libsodium/ubuntu trusty main" >> /etc/apt/sources.list;
	sudo apt-get update && sudo apt-get install libsodium-dev;

	#!/bin/sh
	# Copyright 2020 Paul Morgan
	# License: GPLv2 (https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html)
	set -x
	set -e
	#
	# Docker build calls this script to harden the image during build.
	#
	# NOTE: To build on CircleCI, you must take care to keep the `find`
	# command out of the /proc filesystem to avoid errors like:

	# Look for client IP in the X-Forwarded-For header
	real_ip_header X-Forwarded-For;

	# Ignore trusted IPs
	real_ip_recursive on;

	# Set VPC subnet as trusted
	set_real_ip_from 10.0.0.0/16;

	# Set CloudFront subnets as trusted