web development Archives - Jeff Everhart

Software Development is Hard

I’m writing this post at the end of a particularly odd week in terms of things going wrong. And this is the type of post that you write with fingers crossed, praying that you don’t have to come back later and update something because the universe decided you shouldn’t open your big fat mouth. I’ve […]

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Shadow Metrics: Tracking the Gateway

For those of you who’ve read the blog for any amount of time, you’re likely already aware of my tendency to skew towards data and data-driven solutions to problems. Thus, I tend to talk with people about using data for a lot of different purposes, conversations that have illuminated the ways in which data can […]

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Command Line: Download Files with cURL Command

I’m not sure how I didn’t know about this command sooner since I use cURL for a few other tasks. I’ve been using WGET to download remote files, but I recently stumbled across this new little shortcut that should save me a few seconds here or there. If you’d rather just watch a short video, […]

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Fixing error: cannot read property “values” from undefined

Typeerror: cannot read property “values” from undefined is one of the most persistent and frequent errors you can get when doing any type of scripting in Google Apps Script. One of the most frequent questions I get on this blog, so I decided to dedicate a post to helping people troubleshoot this pesky error. First, […]

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Convert Images to Data URIs for Faster Page Loads

For anyone looking for faster page loads, converting images to data URIs can provide a speed boost in certain instances. In modern web development, page load time is extremely important, not just because people who use web sites have little tolerance for a slow loading site, but also because responsive sites are asked to support […]

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How to build an HTTP file server with Node.js

Over the last year or so, I’ve been working more and more with Node.js for a variety of projects. I started by building a few command line apps, progressed to some simple Node/Express sites, and more recently tackled some pretty complex apps that integrate RESTful web services that are hosted on AWS and Heroku. While […]

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Building A Simple Heat Map with D3

Heat maps are a great way to analyze frequency in a data set. Beautiful and creative things happen when you are stuck in an airport for four hours. I’ve been wanting to explore heat map visualizations for awhile now, so when I had some time to kill flying back from SXSW, I decided to take […]

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Creating a Video Streaming Classroom with AWS, Angular, and Google Material Design | Part 1

I’ve been thinking a lot lately about video streaming platforms used in the ed tech space, what makes them different from one another, and how feasible it would be to create one from scratch. After a short discussion with some people on the DEC team, I looked into the possibility of hosting and streaming video […]

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