Learn how to use AI to generate new images, such as faces or art

Generating images with AI
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Because you should start freelancing right now

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Learn how to customize the default styles of a TailwindCSS application

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Learn how to make money by doing online jobs

Side Gigs to Make More Money as a Developer
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Boost your web development workflow

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LEARN THE COOL STUFF OF CSS

CSS has thousands of secrets — let’s explore a few cool ones

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Learn how to master GIT with these 5 advanced concepts


Say bye-bye to the problem of vertical centering on the web

Image of content being vertically centered
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If You Know the Height


JAVASCRIPT PLAYBOOK

Learn some great one-liners to use on your next project

Reverse a String

const stringReverse = str => str.split("").reverse().join("");stringReverse("Welcome to Javascript")
//tpircsavaJ ot emocleW

Get the Average of an Array of Number


Bootstrap a Node.js & MySQL application using Docker Compose

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Juan Cruz Martinez

I’m an entrepreneur, developer, author, speaker, and doer of things. I write about JavaScript, Python, AI, and programming in general.

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