Tag: JavaScript
All the articles with the tag "JavaScript".
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PostHog across subdomains and projects: identity, multiple instances and client rate limits
· UpdatedOne PostHog project across subdomains with cross_subdomain_cookie, when to send to several projects with named instances, and what client_ingestion_warning means.
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Building an AI oracle slot machine with nothing but canvas
A zero-dependency slot machine that generates AI-doom prophecies, decided by a hand of blackjack, rendered as a downloadable PNG. One HTML file, one canvas element, no build step.
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Resolving the Node.js Error: Cannot find module jsonwebtoken
When developing backend services with Node.js, especially APIs that implement authentication, it is common to rely on JSON Web Tokens (JWT). One frequent runtime error encountered in this context is:
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Understanding findOne and findOneAndUpdate in Mongoose: Key Differences and Practical Usage
When working with MongoDB through Mongoose in Node.js, developers frequently encounter two essential methods: findOne and findOneAndUpdate . Both methods perform document lookups, but they serve
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Automating Payment Calculation in Google Docs Using Apps Script
Introduction Google Apps Script is a powerful tool that allows you to automate tasks within Google Workspace applications, such as Google Docs. In this tutorial, we will create a script that prompts
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Handling the "ERR_HTTP_HEADERS_SENT" Error in Node.js Express
When building REST APIs with Node.js and Express, one common error that developers encounter is ERR_HTTP_HEADERS_SENT: Cannot set headers after they are sent to the client . This error can be
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Understanding module.exports in Node.js: Exporting and Importing Modules
In Node.js, organizing your code into reusable, modular components is a key practice for writing maintainable applications. This is done through modules — self-contained blocks of code that can be
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Handling Deletion of Bootcamps in a Node.js API with Mongoose
In this post, I’ll walk through the process of handling the deletion of bootcamps in a Node.js API using Mongoose. Recently, while working on a project, I encountered a TypeError when attempting to