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Refactoring state machines from useEffect to useReducer
How I used useReducer can simplify state machine logic.
When to Create Custom React Hooks
Find out common scenarios when you should use custom React hooks.
How to Make Headless React Notifications in TypeScript
Managing notifications' state does not have to be hard. Learn how to create notifications with ease.
How to Find Broken Images with Cypress Testing Library
You don't want your users to have to read the alt tag because your image didn't load. Let's fix it.
How to Find Dead Links with Cypress Testing Library
You don't want your users to hit a 404 when they click one of your links. Let's fix that.
Output Relationships as Nested JSON with PostgreSQL
Use Knex.js to fetch table relationships as structured JSON with a single PostgreSQL query.
Help Stop the Russia-Ukraine War with Vercel Edge Functions
As of Next.js 12, you can use Middleware to help stop the Russian invasion of Ukraine.
Google Analytics 4 with Next.js
How to set up gtag.js with Next.js and TypeScript.
Blur Placeholder Images with Next.js and mdx-bundler
Get that "blur-up" effect we used to love in Gatsby.
How to Debug a Next.js App Running Locally on iPhone
See a bug on iPhone but not on desktop? Learn how to test Next.js running on localhost on your iPhone.
Headless UI Transitions
Transitions in Tailwind Lab's Headless UI library made simple.
Git-Based Blogging Platform for Developers
Users own their content in their own GitHub repository. We'll handle the rest.
How to Invest Money and Build Wealth
Investing made simple.
Run Cypress Tests against Vercel Preview Deployments
Learn how to use GitHub Actions to run Cypress tests against Vercel deployments.
How to Ensure Code Only Runs in the Browser in Next.js
How to ensure your code is only run on the client when using a full-stack JavaScript framework such as Next.js or Remix.
Popular
How to Use Firebase Auth with Your Custom Domain
Learn how to use your app's domain name in Firebase Auth flows.
How to Add Google Adsense Ads to a Next.js App
Get paid for your content. Learn how I add Google Adsense ads to a Next.js app.
Learn Flexbox With Tailwind CSS and React
Master CSS Flexbox with Tailwind CSS.
How to Fix Bottom Padding for iOS Mobile Browsers
How to dynamically add extra bottom padding on mobile devices using CSS.
Setting Up Themes with Tailwind CSS and React
Use CSS variables to leverage client-side theming with Tailwind CSS and React.js.
Simple Trick to Clean Up Tailwind CSS in React
Long strings of Tailwind CSS utility classes can be hard to read. This simple function fixes that.
How to Create an MDX Blog with Supabase and Next.js
Superpower your MDX blog with a PostgreSQL database backed by Supabase and Next.js.
How to Override Styles with Tailwind CSS Typography
Do you need to override styles using the `prose` class? Try this.
Dollar Cost Averaging (DCA) in Coinbase Pro
Let's use Node.js, TypeScript, and GitHub Actions to automatically buy crypto from Coinbase Pro using a dollar-cost averaging strategy.
Article Recommendation System with TypeScript and Supabase
Learn how to get a list of similar articles to recommend to your users.
Google Analytics Events with Gatsby and TypeScript
How I use TypeScript to track Google Analytics events in Gatsby.js.
Help Stop the Russia-Ukraine War with Vercel Edge Functions
As of Next.js 12, you can use Middleware to help stop the Russian invasion of Ukraine.
Learn the Box Model with Tailwind CSS
Learn the box model—a concept fundamental to CSS—using Tailwind CSS.
How to Sort by Geo Distance Using Bounding Boxes in Algolia
How to support geo-filtering with a minimum and maximum radius.
Git-Based Blogging Platform for Developers
Users own their content in their own GitHub repository. We'll handle the rest.
Frontend
How to Find Dead Links with Cypress Testing Library
You don't want your users to hit a 404 when they click one of your links. Let's fix that.
How to Add Google Adsense Ads to a Next.js App
Get paid for your content. Learn how I add Google Adsense ads to a Next.js app.
How to Override Styles with Tailwind CSS Typography
Do you need to override styles using the `prose` class? Try this.
Simple Trick to Clean Up Tailwind CSS in React
Long strings of Tailwind CSS utility classes can be hard to read. This simple function fixes that.
Refactoring state machines from useEffect to useReducer
How I used useReducer can simplify state machine logic.
How to Create an MDX Blog with Supabase and Next.js
Superpower your MDX blog with a PostgreSQL database backed by Supabase and Next.js.
Supercharge SEO with Schema.org Schema Markup
Tell search crawlers about your site with Schema.org JSON-LD markup.
Let's Build a Color Palette Generator
How to build a color palette generator and deploy it to GitHub Pages.
Don't Bake Spacing into React Components with Tailwind CSS
A simple strategy to make React components more reusable when working with Tailwind CSS.
Learn Flexbox With Tailwind CSS and React
Master CSS Flexbox with Tailwind CSS.
Learn the Box Model with Tailwind CSS
Learn the box model—a concept fundamental to CSS—using Tailwind CSS.
How to Find Broken Images with Cypress Testing Library
You don't want your users to have to read the alt tag because your image didn't load. Let's fix it.
When to Create Custom React Hooks
Find out common scenarios when you should use custom React hooks.
How to Fix Bottom Padding for iOS Mobile Browsers
How to dynamically add extra bottom padding on mobile devices using CSS.
Google Analytics Events with Gatsby and TypeScript
How I use TypeScript to track Google Analytics events in Gatsby.js.
Setting Up Themes with Tailwind CSS and React
Use CSS variables to leverage client-side theming with Tailwind CSS and React.js.
How to Ensure Code Only Runs in the Browser in Next.js
How to ensure your code is only run on the client when using a full-stack JavaScript framework such as Next.js or Remix.
How to Learn CSS Fast
CSS can be a struggle to learn. Tailwind CSS was the framework that made CSS concepts stick.
How to Make Headless React Notifications in TypeScript
Managing notifications' state does not have to be hard. Learn how to create notifications with ease.
Improve Accessibility with Semantic HTML
Learn how to make your site more accessible with semantic HTML.
Improve SEO with Social Sharing Cards
Find out how to get an image and metadata to show up when sharing your link on Facebook, Twitter, and other social media sites.
Blur Placeholder Images with Next.js and mdx-bundler
Get that "blur-up" effect we used to love in Gatsby.
Backend
How to Sort by Geo Distance Using Bounding Boxes in Algolia
How to support geo-filtering with a minimum and maximum radius.
Functional vs Imperative in Java
Are you taking a performance hit by using streams over loops? Let's find out.
How to Create an MDX Blog with Supabase and Next.js
Superpower your MDX blog with a PostgreSQL database backed by Supabase and Next.js.
Output Relationships as Nested JSON with PostgreSQL
Use Knex.js to fetch table relationships as structured JSON with a single PostgreSQL query.
Blur Placeholder Images with Next.js and mdx-bundler
Get that "blur-up" effect we used to love in Gatsby.
Dollar Cost Averaging (DCA) in Coinbase Pro
Let's use Node.js, TypeScript, and GitHub Actions to automatically buy crypto from Coinbase Pro using a dollar-cost averaging strategy.
3rd Party Libraries Every Java Programmer Should Know
If you're working on a large Java project, consider using these libraries.
Help Stop the Russia-Ukraine War with Vercel Edge Functions
As of Next.js 12, you can use Middleware to help stop the Russian invasion of Ukraine.
Why I Regret Switching from Elasticsearch to Algolia
Roadblocks my team stumbled upon using Algolia in a large-scale production app.
Dynamic Sitemap with Next.js and Supabase
How I use Next.js getServerSideProps with Supabase to generate a sitemap on demand.
Learn the API Gateway Pattern
Learn about the API Gateway software design pattern.
High-Order Functions for Reusable Middleware in Next.js
Don't repeat yourself. Use high-order functions to build reusable code in your Next.js backend.
Building a Mental Model Around JavaScript Promises
Promises can be tricky to understand. I'll demystify promises and show you how you can leverage them to make your apps faster.
Article Recommendation System with TypeScript and Supabase
Learn how to get a list of similar articles to recommend to your users.
How to Host a Gatsby Site on AWS with Terraform
Deploy S3, CloudFront, Route53 (and more) infrastructure with Terraform to host your Gatsby.js website.
How to Deploy a Gatsby Site to AWS with GitHub Actions
Use Terraform and GitHub Actions to build a CI/CD pipeline for your Gatsby project.
You Might Not Need Microservices
Depending on the scale of your company, having microservices may do more harm than good.
Next.js
How to Debug a Next.js App Running Locally on iPhone
See a bug on iPhone but not on desktop? Learn how to test Next.js running on localhost on your iPhone.
Blur Placeholder Images with Next.js and mdx-bundler
Get that "blur-up" effect we used to love in Gatsby.
How to Create an MDX Blog with Supabase and Next.js
Superpower your MDX blog with a PostgreSQL database backed by Supabase and Next.js.
Run Cypress Tests against Vercel Preview Deployments
Learn how to use GitHub Actions to run Cypress tests against Vercel deployments.
Dynamic Sitemap with Next.js and Supabase
How I use Next.js getServerSideProps with Supabase to generate a sitemap on demand.
How to Make Headless React Notifications in TypeScript
Managing notifications' state does not have to be hard. Learn how to create notifications with ease.
How to Ensure Code Only Runs in the Browser in Next.js
How to ensure your code is only run on the client when using a full-stack JavaScript framework such as Next.js or Remix.
High-Order Functions for Reusable Middleware in Next.js
Don't repeat yourself. Use high-order functions to build reusable code in your Next.js backend.
Google Analytics 4 with Next.js
How to set up gtag.js with Next.js and TypeScript.
How to Add Google Adsense Ads to a Next.js App
Get paid for your content. Learn how I add Google Adsense ads to a Next.js app.
Help Stop the Russia-Ukraine War with Vercel Edge Functions
As of Next.js 12, you can use Middleware to help stop the Russian invasion of Ukraine.
React.js
Learn Flexbox With Tailwind CSS and React
Master CSS Flexbox with Tailwind CSS.
Let's Build a Color Palette Generator
How to build a color palette generator and deploy it to GitHub Pages.
How to Add Google Adsense Ads to a Next.js App
Get paid for your content. Learn how I add Google Adsense ads to a Next.js app.
Don't Bake Spacing into React Components with Tailwind CSS
A simple strategy to make React components more reusable when working with Tailwind CSS.
Setting Up Themes with Tailwind CSS and React
Use CSS variables to leverage client-side theming with Tailwind CSS and React.js.
When to Create Custom React Hooks
Find out common scenarios when you should use custom React hooks.
Simple Trick to Clean Up Tailwind CSS in React
Long strings of Tailwind CSS utility classes can be hard to read. This simple function fixes that.
How to Make Headless React Notifications in TypeScript
Managing notifications' state does not have to be hard. Learn how to create notifications with ease.
Refactoring state machines from useEffect to useReducer
How I used useReducer can simplify state machine logic.
Tailwind CSS
Let's Build a Color Palette Generator
How to build a color palette generator and deploy it to GitHub Pages.
Don't Bake Spacing into React Components with Tailwind CSS
A simple strategy to make React components more reusable when working with Tailwind CSS.
Learn the Box Model with Tailwind CSS
Learn the box model—a concept fundamental to CSS—using Tailwind CSS.
How to Override Styles with Tailwind CSS Typography
Do you need to override styles using the `prose` class? Try this.
How to Learn CSS Fast
CSS can be a struggle to learn. Tailwind CSS was the framework that made CSS concepts stick.
Headless UI Transitions
Transitions in Tailwind Lab's Headless UI library made simple.
Setting Up Themes with Tailwind CSS and React
Use CSS variables to leverage client-side theming with Tailwind CSS and React.js.
Simple Trick to Clean Up Tailwind CSS in React
Long strings of Tailwind CSS utility classes can be hard to read. This simple function fixes that.
Learn Flexbox With Tailwind CSS and React
Master CSS Flexbox with Tailwind CSS.