-
Make a File Tree Browser with AJAX and JSTree
jsTree is a neat little tool that provides a tree interface in the browser. This is great for browsing images and other media. Here is a basic example to get you started with jsTree. This example makes AJAX requests to a server. The server responds with JSON, which is used to populate the tree. I […]
-
Update Your CSS Without Refreshing the Page with Live.js!
Live.js and Middleman are both pretty cool, and you can use them together to harness the power of style injection. If you’re a Mac user, stop reading and go use CodeKit. Okay, maybe read this first. If you’re like me, and you use Linux, read on. What is style injection? It means that your stylesheets […]
-
Visualize Wage Data for Your Job at MyAverageSalary.com
I was curious about salaries around the US and had a hard time getting my answers from the Bureau of Labor Statistics. I knew other people would be curious, too. So, I a website of my own. Go check it out! MyAverageSalary.com Some stats about the site: Stores 11 million rows of data from the […]
-
Purely Functional Programming in JavaScript
This article on functional programming is incredible. It’s a fun exercise that helped me understand the functional approach to writing software. I highly recommend it. List Out of Lamba: Steve Losh
-
First Time Skiing
A few weeks ago, my landlord came over to do a little work on the house. “My family has an extra ticket for Snowshoe if you’re interested,” she said. My first thought was, “No, not interested. I don’t have the time. I need to work on my startups.” But I paused a bit. This might […]
-
Stop using timeouts with SWTBot: Custom Conditions
I’ve seen a lot of test code that looks like this: Fixed waits like this are pretty standard, but they can cause problems later. If this is a resource-intensive proccess, your test could break in these cases: Fixed waits can also make your code harder to read, because it isn’t always easy to see what’s […]
-
Show Beautiful Math on Your Blog With MathJax
MathJax uses JavaScript to interpret MathML and LaTeX on your website and display it in any browser. It’s wonderful, because the math looks beautiful and anyone can reuse the equations from your site as MathML or LaTeX. To begin using it, just paste the following above your </head> tag. (For wordpress, there’s a plugin). That’s it! […]
-
The Link Between Complex Numbers and Vectors
Vectors came from Quaternions Before vectors, there were quaternions. Quaternions are the next step after complex numbers from real numbers. A complex number may be written as $$z = x + \hat{i} y$$ Where $$\hat{i} = – 1$$ A quaternion may be written as $$q = w + \hat{i}x + \hat{j} y + \hat{k}z$$ w […]
-
Theory of Least Action
This essay helped me win the Bowden Physics Essay Prize at Virginia Tech. The purpose of the contest was to write a non-technical essay about a particular topic in Physics. The image above is a portrait of William Rowan Hamilton, the inventor of the theory! Enjoy! Light from the rising sun greets your cheeks warmly. […]