eSpark Engineering Blog

Alex Koppel

Jun 25, 2018

Understanding an Elm 0.18 History Export

This is the second in a series of posts about Elm’s exportable app history. You can read…

Luke Shepard

Jun 11, 2018

Building Better Writers With Machine Learning

Students in school today will be graduating into a world in which written…

Alex Koppel

Apr 10, 2018

See what your users see

This is the first in a series of posts about Elm’s exportable app history. You can read the second post here.

Launching Projects with Elm and Elixir

Sometimes the most painful part of learning a new language isn’t picking up the new syntax…

Formal Methods in Practice: Using TLA+ at eSpark Learning

How do we harden a system against race conditions? When it uses a complex cache? When it requires a global state? We could blanket our system in tests, hope we’ve covered every possible edge case, and pray that nothing new happens…

Testing Your Jekyll Site, The Ruby Way

Here at eSpark Learning, we use Jekyll to host our marketing site, https://www.esparklearning.com. At eSpark Engineering, we love automated testing — most of our codebases require a passing test suite for all changes. As we add more javascript to our Jekyll…

Old Programmers Can Learn New Tricks

Changing careers can be both thrilling and challenging. You benefit by gaining useful experiences and skills to take into your next venture, but you are, despite previous work experience, a novice in your new field. I have experienced this shift multiple times…

Cathleen Li

Apr 3, 2016

How to adapt static models to measure continuous learning in ed tech

When students use eSpark, they expect to receive the highest quality materials, personalized to their learning needs. But what does highest quality mean? At eSpark, we start with expert teacher insight, and then…

Alex Koppel

Jan 28, 2016

How We Distributed a Personalized iOS Curriculum to Students Across the U.S.

When I think back to elementary school, one of the few things I remember clearly is being frustrated at the pace of class. Some things (like fractions) I just got, while others (like measurements)…

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eSpark Engineering Blog

A collection of writings from our team on challenges, successes, and other (sometimes) insightful things

Implementing Elm Event Logging

Elm Gives Us Human-Level Event Logging Almost for Free

Decoding an Elm 0.19 History Export

Storing Elm History Safely

Do these 3 Things Before You Take a Machine Learning Course

Understanding an Elm 0.18 History Export

Building Better Writers With Machine Learning

See what your users see

Launching Projects with Elm and Elixir

Formal Methods in Practice: Using TLA+ at eSpark Learning

Testing Your Jekyll Site, The Ruby Way

Old Programmers Can Learn New Tricks

How to adapt static models to measure continuous learning in ed tech

How We Distributed a Personalized iOS Curriculum to Students Across the U.S.