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100 Days of Code!

The 100 Days of Code is a coding challenge created by Alexander Kallaway to encourage people to learn new coding skills.

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Nobody writes bad docs on purpose. It just happens.

Nobody writes bad docs on purpose. It just happens.

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1 min read
CPIs and PDA Signers: What I Built and What Actually Clicked

CPIs and PDA Signers: What I Built and What Actually Clicked

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5 min read
I'm 33, 7 Years Into UI Development, Here's Why I Started Learning JavaScript From Scratch

I'm 33, 7 Years Into UI Development, Here's Why I Started Learning JavaScript From Scratch

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4 min read
"Starting My AI/ML Journey in Public — and Backpropagation Already Broke My Brain"

"Starting My AI/ML Journey in Public — and Backpropagation Already Broke My Brain"

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1 min read
Password generator

Password generator

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1 min read
I Built a URL Shortener in a Week.

I Built a URL Shortener in a Week.

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11 min read
day 01 of learning data engineering (step1: sql joins and set operators)

day 01 of learning data engineering (step1: sql joins and set operators)

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3 min read
Week 5: Why Composition Beats Inheritance.

Week 5: Why Composition Beats Inheritance.

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16 min read
Program Derived Addresses (PDAs): The Solana Feature Every Web2 Developer Should Understand

Program Derived Addresses (PDAs): The Solana Feature Every Web2 Developer Should Understand

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3 min read
JavaScript Practice Coding Examples - Interview Guidance for Problems

JavaScript Practice Coding Examples - Interview Guidance for Problems

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24 min read
Month 1: From Zero to Building Real Tools.

Month 1: From Zero to Building Real Tools.

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7 min read
Solana Transactions Are Not API Calls (But They Kind of Are)

Solana Transactions Are Not API Calls (But They Kind of Are)

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4 min read
Week 1: Gradients, SVGs, and the Art of Consistency (#100DaysOfCode)

Week 1: Gradients, SVGs, and the Art of Consistency (#100DaysOfCode)

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2 min read
Day 95 of #100DaysOfCode — DevCollab: UI Polish, Error Handling, and Loading States

Day 95 of #100DaysOfCode — DevCollab: UI Polish, Error Handling, and Loading States

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5 min read
Day 94 of #100DaysOfCode — DevCollab: Dashboard, Profiles, and the Final Pages

Day 94 of #100DaysOfCode — DevCollab: Dashboard, Profiles, and the Final Pages

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5 min read
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