Emacsen's Blog

Why OpenStreetMap is in Serious Trouble

I was a contributor for OpenStreetMap for a long time, and I advocated for OpenStreetMap for a long time, but the project has stalled while the proprietary mapping world has continued to improve in data quality. For those of us who care about Free and Open data, this is a …

Free Software Call To Action

This last year has been a very difficult one for civil liberties and personal freedoms.

Donald Trump, the president-elect of the United States, has promised to round up and deport illegal immigrants as well as removing legal immigrants from the US. In addition, and more importantly, he's discussed creating a …

Why is SFLC siding with Oracle over Linux developers?

I don't write about politics much on this blog (in fact I haven't written anything in quite a while), but Free Software is something I care a great deal about, and so when I see something fishy and scandalous, I take interest, and that's exactly what's going on with the …

The Rule of One

If you care about Free and Open Source Software, you probably think about ways to support the people who write the programs that you rely on. In this post, I'm going to tell you what I do, and what I hope others will do too. I call it the The …

Modern Web Development with React (Part 4)

In the previous post, we created our first React component. In this post, we'll build on that and explore the issue of state in React, embedding components into components as well as React's component lifecycle.

Immutable Properties

When we left off, we had explored React's concept of props. Props are …

Modern Web Development With React (Part 3)

In my first post, I described the benefits of client side Javascript programming. In my second post, I highlighted some of the differences between React and other frameworks. Now It's time to get our hands dirty with React.

Setting Up

To follow along the example I'm going to provide, we'll …

Modern Web Development With React (Part 2)

In the previous post in this series, we discussed the history of web applications and the use of Client-Side MVC. In this post, we'll go through some of the existing Javascript client side frameworks and how React differs from these projects and why it's so versatile.

Before we dive into …

Modern Web Development with React (part 1)

In this series of posts, I'm going to present modern web development using React. As I do, I'll touch on the fundamentals of web development over time, the benefits of client side web frameworks, the React framework, then other tools in the React ecosystem.

Before thinking about React, let's first …

NYC Blooms with OpenStreetMap

A community mapping project in New York is showing how OpenStreetMap can not only show how mapping can help people navigate, it can shape how people perceive their city.

New York City contains hundreds of community gardens. These gardens represent the the hard work of thousands of New Yorkers coming …