Boulder StartupWeek 2014

I had the opportunity to spend the last week in Boulder, CO for Boulder StartupWeek. StartupWeek is a week long event highlighting the startup and tech scene of a communty. It started in Boulder, but is now spreading. I wanted to share my experience and any takeways. My notes were somewhat incomplete; apologies for all errors and omissions. Monday…

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Mapping The World's Airports With Neo4j Spatial And OpenFlights - Part 1

Neo4j Spatial Browser

When I was taking flight lessons, I learned that the maximum range of a Cessna-172 is about 1000km. Knowing this, can we find a path across the globe where each airport in the path is within the range of a Cessna 172? Let's use Neo4j Spatial to try to answer this question! This blog post will focus on loading data from OpenFlights.org into Neo4j a…

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Building a tweet ranking web app using Neo4j

Twizzard mobile screnshot

I spent this past weekend hunkered down in the basement of the local Elk's club, working on a project for a hackathon. The project was a tweet ranking web application. The idea was to build a web app that would allow users to login with their Twitter account and view a modified version of their Twitter timeline that shows them tweets ranked by imp…

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Visualizing Correlates Of War Data with Leaflet.js

Fatality heatmap of inter-state disputes

The Correlates of War project maintains several data sets that document conflicts throughout history. This includes data on armed conflicts such as inter-state disputes as well as ancillary data that might be correlated with disputes, such as trade, alliances and measures of countries' resources. This data makes for interesting geographic visualiz…

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Reflections on StartupWeekend Missoula 2013

This past weekend I spent 54 hours with some great developers, designers and business people at Startup Weekend Missoula 2013 (SWM2013). For those who don't know, Startup Weekend is a 54 hour event (Friday evening to Sunday evening) "where developers, designers, marketers, product managers and startup enthusiasts come together to share ideas, form …

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New website and switch to Django

This is my first blog post at my new website lyonwj.com. WilliamLyon.org has been shuttered. The overall design of my new site is very similar - the only real change is under the hood. I chose to switch to Django (from web2py) for my web projects. And that's what I'd like to talk about today - my impressions of web2py vs. Django. Both are excellent…

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