Stephen Emmanuel

@stephcrown

Software engineer interested in gaining and sharing knowledge

Lagos, NigeriaJoined October 2020

About

I'm a software engineer with over 5 years of experience. I love building cool and useful stuff. I'm a problem-solver and enjoy finding clever and simple ways to make things work well for users. I also love sharing with people how I built these cool stuff.

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Stephen Emmanuel's blogs

Stephen Emmanuel Writesblog.stephcrown.com14 posts

Recently published

freecodecamp.org

How to Build a Local-First CLI Financial Tracker with Rust [Full Handbook]

Most financial apps store your sensitive data on remote servers. This requires you to trust a company with your records and rely on their service staying online. But if you build a local-first application, you can keep your data on your own machine i...

Jan 940 min read

blog.stephcrown.com

Vectorization in Python for Machine Learning

Introduction Imagine you need to double every number in a list of 1000 values. One approach is to take the first number, multiply it by 2, write down the result, then move to the second number, multiply it by 2, write it down, and repeat 998 more tim...

Sep 16, 20259 min read

blog.stephcrown.com

How to Build an Anonymous Messaging App With Phoenix and React

Introduction In this in-depth tutorial, we'll build an anonymous messaging application. We'll make use of React for creating a dynamic user interface and Phoenix to manage the server-side logic. What is an Anonymous Messaging App? Anonymous messaging...

Sep 11, 202519 min read

blog.stephcrown.com

TypeScript Doesn’t Insulate Your Code From Failure!

Some days ago, I stumbled on a Twitter post showcasing an app’s screen with a glaring NaN error in place of what could have been a currency value. The author of the post humorously attributed the error to the use of JavaScript instead of TypeScript. ...

Jan 6, 202410 min read

blog.stephcrown.com

My Fourth Year in Tech and University: A Holistic Review

As I listen to this mesmerizing Jazz melody "Three Sisters" by Shalosh from the album "Tales of Utopia", I'm contemplating how to begin this review. The music holds me in its sway so I glance to check the title of the current song. Three. It sparks a...

Dec 31, 202326 min read

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Stephen Emmanuel

About

Available for

Stephen Emmanuel's blogs

Recently published

How to Build a Local-First CLI Financial Tracker with Rust [Full Handbook]

Vectorization in Python for Machine Learning

How to Build an Anonymous Messaging App With Phoenix and React

TypeScript Doesn’t Insulate Your Code From Failure!

My Fourth Year in Tech and University: A Holistic Review