Book

This book’s aim is to provide you with the most basic of fundamentals regarding JavaScript, the world’s most popular programming language. It comes from the preparation sessions we often give prospective Zip Code applicants on how to do well on the Zip Code application coding assessment.

Start ReadingTutorial Platform - Java

Use this tutorial to learn programming fundamentals and basic object-oriented concepts using the latest JavaScript syntax. The concepts covered in these lessons lay the foundation for using JavaScript in any environment.

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Learn the basics of JavaScript on the HackerRank platform.

Start Learning NowTutorial Platform - Pre-Algebra

Arithmetic properties. Multiplication and addition have specific arithmetic properties which characterize those operations. In no specific order, they are the **commutative**, **associative**, **distributive**, **identity** and inverse properties.

Tutorial Platform - Pre-Algebra

Equations and inequalities are both mathematical sentences formed by relating two expressions to each other. In an equation the two expressions are deemed equal which is shown by the symbol =.

Get StartedTutorial Platform - Algebra

Use this tutorial to learn programming fundamentals and basic object-oriented concepts using the latest JavaScript syntax.

Get StartedTutorial Platform - Algebra

Use this tutorial to learn programming fundamentals and basic object-oriented concepts using the latest JavaScript syntax.

Get StartedTutorial Platform - Algebra

A **function** is a relationship between two variables. The first variable determines the value of the second variable. The value of the first variable corresponds to one and **only one** value for the second variable.

Tutorial Platform - Algebra

A system of equations is a set of two or more equations that you deal with at one time. When solving the system, you must consider all of the equations involved and find a solution that satisfies all of the equations.

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Learn JavaScript basics with one-hour video tutorial.

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Algorithms are the building blocks of computer programs. They are as important to programming as recipes are to cooking. An algorithm is a well-defined procedure that takes input and produces output. Try a few of these sample algorithm challenges put together by HackerRank.

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Each Zip Code applicant is required to take an online timed assessment. Familiarize yourself with the HackerRank platform and take the practice assessment as many times as you need to prepare for the real deal.

Get StartedCoding Meetup

Open Data Delaware is a group of people interested in exploring how we can interact with data to make positive change for local Delaware communities. It doesn’t matter how much experience you have, all you need is a willingness to learn and a desire to help your community. We’ll meet regularly to work on projects and build community together.

Join Open Data DelawareCoding Meetup

Delaware Tech Meetup is a monthly gathering where companies at any stage can demo new ideas, passionate thinkers and doers lead discussions about various technology related topics, and people connect to move ideas forward.

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Free Code Camp is an open-source community of adults learning to code. Join to gain access to nearly an unlimited supply of free tutorials on front-end development, data visualization, and back end development.

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Coding Resources

Check out our **Resources** page for helpful links to online tutorials, coding meetups, and alternative training programs.