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Export Your Reddit Saves to CSV and JSON with Python

A Python script can save your Reddit items to CSV and JSON, but it cannot by itself get around the…

Periodic Cleanup in Node.js with PostgreSQL and node-cron

A cron job does not guarantee that a row is processed only once: it merely provides an opportunity to run…

Claude Code: 1,122 public files exposed secrets on GitHub

A Claude Code configuration file appeared in 1,122 public copies on GitHub with at least one password, token, or key,…

An .npmrc token hid malware in Tailwind plugins for npm

A Next.js project sent to a freelancer by a supposed Fiverr client included an npm token that allowed a private…

OreoOS turns an ESP32-S3 board into a badge with apps and video

A 16 MB ESP32-S3 board can run OreoOS, a MicroPython operating system designed for a conference badge with a color…

Google Warns of AI Bills as High as One Million Dollars

More than $100,000 in a single day and, in some cases, accumulated charges of up to one million: that is…

Build a Local Energy Dashboard with MQTT, n8n, and InfluxDB

A local energy dashboard can start with three components: an MQTT broker, an n8n workflow, and a time-series database. The…

A shared link was enough to hijack a ChatGPT account

A public ChatGPT conversation could become a way to execute JavaScript with the session of the person who opened the…

Stripe in Next.js: Checkout, webhooks, and Pro access

A visit to /dashboard?checkout=success does not prove that a payment has been completed: anyone can type that URL. In a…

Protect an MCP Agent with Least-Privilege Permissions and a Local Gateway

An agent that can read private data, process untrusted content, and communicate externally combines the three capabilities Simon Willison calls…

A Verifiable Gate for AI-Generated Patches

An AI-generated patch can pass tests and still change an API response, touch a file unrelated to the task, or…

Build a Go Login API with JWT, TOTP and OAuth PKCE

A login endpoint stops being simple once it has to handle two-factor authentication, token renewal and social sign-in. This tutorial…

Build a Python Gateway for AI Compliance and Cost Controls

AI features often have to satisfy two demands at once: handle requests responsibly and avoid wasting compute. Those goals can…

Mastering Dynamic Content Management with PHP Techniques

IntroductionManaging dynamic content effectively is crucial for creating responsive and user-friendly web applications. Modern websites require the ability to customize…

Securing Large-Scale Data Infrastructures: A Practical Guide

IntroductionIn today's digital era, data drives decision-making, innovation, and everyday business operations. As organizations seek to harness large-scale data infrastructures,…

Creating a Robust and Scalable API Architecture with Laravel

IntroductionIn the digital age, resilient and scalable APIs serve as the backbone of most modern web applications. As businesses grow,…

How to include a JavaScript file in another JavaScript file

some time ago we wrote about how to Import one JS file into another in the plain JS, those techniques…

How to upload files to the server using JavaScript

In this tutorial we are going to see how you can upload files to a server using Node.js using JavaScript,…

How to Track Flight Status in real-time using the Flight Tracker API

The Flight Tracker API provides developers with the ability to access real-time flight status, which is extremely useful for integrating…

The Payment Request API in 2026: Payer Details, Retries and Apple Pay (Part 2)

Updated in November 2026. The 2023 version of this part used an old Google Pay format, closed the payment sheet…

Infinite scrolling with native JavaScript using the Fetch API

I have long wanted to talk about how infinite scroll functionality can be implemented in a list of items that…

What is a JWT token and how does it work?

JWT tokens are a standard used to create application access tokens, enabling user authentication in web applications. Specifically, it follows…

Callbacks in JavaScript

Callback functions are the same old JavaScript functions. They have no special syntax, as they are simply functions that are…

Node.js and npm: introductory tutorial

In this tutorial we will see how to install and use both Node.js and the npm package manager. In addition,…

Dates in local format with Javascript

In the articles we have about dates in JavaScript we were missing one about how to create dates in local…

Relative dates in JavaScript

One of the interesting things about the internationalisation library represented in the Int object is the…

What are React Hooks and what problems they solve

Working with React, - and before the release of Hooks in version 16.8 - there was always the possibility to create…

Top Javascript Libraries and Frameworks Part 2

What are JavaScript frameworks? JavaScript frameworks are application frameworks that allow developers to manipulate code to meet their particular needs. Web application…

Top JavaScript libraries and frameworks part 1

JavaScript libraries and frameworks make it easy to develop websites and applications with a wide variety of features and functionality,…

JavaScript Formatting Date Tips

Something that seems simple as the treatment of dates can become complex if we don't take into account how to…