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JavaScript

Once relegated to the browser as one of the 3 core technologies of the web, JavaScript can now be found almost anywhere you find code. JavaScript developers move fast and push software development forward; they can be as opinionated as the frameworks they use, so let's keep it clean here and make it a place to learn from each other!

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How to Fix Common JSON Syntax Errors (Incl. AI Output)

How to Fix Common JSON Syntax Errors (Incl. AI Output)

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3 min read
Saving leads and handling 429 errors in a Node.js Telegram bot with grammY

Saving leads and handling 429 errors in a Node.js Telegram bot with grammY

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7 min read
Size positions from a drawdown budget, not a percentage

Size positions from a drawdown budget, not a percentage

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5 min read
The consistency rule is a constraint, not a number

The consistency rule is a constraint, not a number

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6 min read
Web Development SEO: How to Build Search-Friendly Websites From Day One

Web Development SEO: How to Build Search-Friendly Websites From Day One

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5 min read
Look-ahead bias hides in the bars you did not load

Look-ahead bias hides in the bars you did not load

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5 min read
A challenge fee is a geometric series, not a price

A challenge fee is a geometric series, not a price

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5 min read
Why an i.i.d. bootstrap lies about drawdown

Why an i.i.d. bootstrap lies about drawdown

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5 min read
How we share 50 browser tabs with a single URL and zero backend servers

How we share 50 browser tabs with a single URL and zero backend servers

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5 min read
Free Privacy-First Web Utilities Every Developer Needs (100% Client-Side)

Free Privacy-First Web Utilities Every Developer Needs (100% Client-Side)

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1 min read
Rebuilding creayou.com

Rebuilding creayou.com

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3 min read
Your AI-Written Tests Are Too Polite: Mutation Testing and Property-Based Testing to Catch Slop

Your AI-Written Tests Are Too Polite: Mutation Testing and Property-Based Testing to Catch Slop

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6 min read
Day 19: Using JSON.stringify() and JSON.parse() in My E-Commerce Project đź›’

Day 19: Using JSON.stringify() and JSON.parse() in My E-Commerce Project đź›’

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1 min read
The six getStats numbers that actually tell you what broke

The six getStats numbers that actually tell you what broke

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5 min read
Parsing String Casing: Building an In-Browser Case Conversion Utility

Parsing String Casing: Building an In-Browser Case Conversion Utility

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3 min read
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