Selina Byeon – Medium

Selina Byeon

Creating a sense of belonging at work

Nobody really taught me how to build relationships at work. Long time ago, I initially misunderstood “professional relationships” to mean…

5 min readJan 29, 2024

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Creating a sense of belonging at work

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Selina Byeon

PostgreSQL — could not connect to server error

I ran into an issue where PostgreSQL connection was refused and got some messages like these: “Is the server running on that host and…

2 min readFeb 28, 2023

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PostgreSQL — could not connect to server error

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Selina Byeon
in
Dev Genius

How to add a field to a database schema in Ruby on Rails with one commend

When you are adding a column to an existing table, you need to run migration. Migrations “alter your database schema over time in a…

2 min readJan 17, 2023

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How to add a field to a database schema in Ruby on Rails with one commend

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Selina Byeon
in
Dev Genius

Creating custom hooks using Apollo in React

How do you fetch data from the backend to the front end? Do you use GraphQL? I have been frequently using Apollo and am really excited to…

3 min readNov 14, 2022

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Creating custom hooks using Apollo in React

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Selina Byeon
in
Dev Genius

How to test custom React Apollo hook using Jest Mock

I‘m a firm believer that writing good tests is a key component of delivering quality products, and I’ve learned that it isn’t always easy…

4 min readMay 3, 2022

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How to test custom React Apollo hook using Jest Mock

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Selina Byeon
in
Dev Genius

RESTful Routing vs GraphQL

I have worked on many applications that use RESTful routing. Because rapid and frequent product updates have become an industry standard…

4 min readMar 22, 2022

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RESTful Routing vs GraphQL

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Selina Byeon

Pixi.js vs Phaser 3

Which engines do I want to use?

4 min readApr 8, 2021

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Pixi.js vs Phaser 3

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Selina Byeon

Selina Byeon

Aspired to become a Staff Engineer. Intrigued to create innovative solutions to complex problems, and doing so in a lens of making an impact.

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