halhen

# data from http://ec.europa.eu/eurostat/web/gisco/geodata/reference-data/population-distribution-demography/geostat
# Originally seen at http://spatial.ly/2014/08/population-lines/

# So, this blew up on both Reddit and Twitter. Two bugs fixed (southern Spain was a mess,
# and some countries where missing -- measure twice, submit once, damnit), and two silly superflous lines removed after
# @hadleywickham pointed that out. Also, switched from geom_segment to geom_line.

# The result of the code below can be seen at http://imgur.com/ob8c8ph

library(tidyverse)

bclinkinbeard

module.exports = {
  server: '.',
  files: [
    '*.html',
    'src/*'
  ],
  ui: false,
  notify: false
};

nvictus

// Client-side parser for .npy files
// See the specification: http://docs.scipy.org/doc/numpy-dev/neps/npy-format.html
var NumpyLoader = (function () {
    function asciiDecode(buf) {
        return String.fromCharCode.apply(null, new Uint8Array(buf));
    }

    function readUint16LE(buffer) {
        var view = new DataView(buffer);
        var val = view.getUint8(0);

gka

var multiCrowbar = (function() {
    /*
     * SVG Export
     * converts html labels to svg text nodes
     * will produce incorrect results when used with multi-line html texts
     *
     * Author: Gregor Aisch
     * based on https://github.com/NYTimes/svg-crowbar/blob/gh-pages/svg-crowbar-2.js
     */

Rich-Harris

Stuff I wish I'd known sooner about service workers

I recently had several days of extremely frustrating experiences with service workers. Here are a few things I've since learned which would have made my life much easier but which isn't particularly obvious from most of the blog posts and videos I've seen.

I'll add to this list over time – suggested additions welcome in the comments or via twitter.com/rich_harris.

Use Canary for development instead of Chrome stable

Chrome 51 has some pretty wild behaviour related to console.log in service workers. Canary doesn't, and it has a load of really good service worker related stuff in devtools.

dannguyen

Find out who Congress follows on Twitter using the command line

Part of a lesson for the Stanford Journalism Computational Methods in the Civic Sphere

This is a short tutorial on how to use command-line tools, including csvfix and t, the command-line Twitter interface, to access and parse data from the Sunlight Foundation and Twitter. The end goal of this exercise is to gather who everyone in Congress follows (friends, in the parlance of Twitter), and then count up the common friends to find out which Twitter accounts are most followed by members of Congress.

Here's a screenshot of the result, after it's been imported into [Google Spreadsheets](https://docs.google.com/spreadsheets/d/1cjRJyrPYj8KAhUrot8ubPOWgbAwm0OqIgPtsswJ2sjM/edit#gid=1358907576

briantjacobs

Storytelling from Space: Tools/Resources

This list of resources is all about acquring and processing aerial imagery. It's generally broken up in three ways: how to go about this in Photoshop/GIMP, using command-line tools, or in GIS software, depending what's most comfortable to you. Often these tools can be used in conjunction with each other.

Acquiring Landsat & MODIS

Web Interface

• USGS Earth Explorer - Browser and data access (create a login)
  http://earthexplorer.usgs.gov/

• Landsat archive

jamii

Specification

Out Of The Tarpit

BOOM Analytics: Exploring Data-Centric, Declarative Programming for the Cloud

Dedalus: Datalog in Time and Space

Logic and Lattices for Distributed Programming

soheilhy

Virtual Hosts on nginx (CSC309)

When hosting our web applications, we often have one public IP address (i.e., an IP address visible to the outside world) using which we want to host multiple web apps. For example, one may wants to host three different web apps respectively for example1.com, example2.com, and example1.com/images on the same machine using a single IP address.

How can we do that? Well, the good news is Internet browsers

lelandbatey

Description

This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.

The script is here:

#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"

Results