#devtonodejs

Stop trusting file extensions: validating uploads by content (with ffmpeg)

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Stop trusting file extensions: validating uploads by content (with ffmpeg)

DEV Community: node·Usman Farooqi·about 11 hours ago

#yr2puBM5

#devtonodejs #devto #dev #extm3u #file

A user of my free tool uploaded a recording named voice.m4a and got "This doesn't look like a real...

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I got tired of babysitting Playwright, so I turned it into a small render API

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I got tired of babysitting Playwright, so I turned it into a small render API

DEV Community: node·Zakaria Tebani·about 11 hours ago

#JyRo8NJF

#devtonodejs #devto #dev #every #html

Every small product I ship ends up needing one of two things: an Open Graph image, or a PDF of some...

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Node.js Object PUT vs Multipart Upload — Pick Multipart for Large App Backups

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Node.js Object PUT vs Multipart Upload — Pick Multipart for Large App Backups

DEV Community: node·HoratioFox1281·about 11 hours ago

#xCEEsgdZ

#devtonodejs #devto #dev #state #multipart

Short answer: use multipart upload for large Node.js backup archives, and keep the upload ledger in...

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Node.js PDF Preview API: 3 Template Gates Before Forms Become Images

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Node.js PDF Preview API: 3 Template Gates Before Forms Become Images

DEV Community: node·PhilemonShaw8453·about 11 hours ago

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#devtonodejs #devto #dev #conversion #preview

Keep the completed PDF as the source of truth, then use a conversion API to convert that approved...

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Node.js Cron Setup: 2 Periodic Database Cleanup Patterns for Webhooks

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Node.js Cron Setup: 2 Periodic Database Cleanup Patterns for Webhooks

DEV Community: node·daxharrington5274·about 11 hours ago

#1wzyLq6R

#devtonodejs #devto #dev #database #lease

Short answer: use a Node.js cron setup that claims due database cleanup rows with a lease; use a...

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Healthtech Export Artifacts: Signed-URL Delivery, Node.js, and Durable Object Storage

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Healthtech Export Artifacts: Signed-URL Delivery, Node.js, and Durable Object Storage

DEV Community: node·Thalion51·about 11 hours ago

#3TpXCCFK

#devtonodejs #devto #dev #object #application

The operational constraint is simple: a healthtech export may be generated by one worker, downloaded...

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Rate Limited Email Sending Queues for Resend Postmark SES and Node.js Jobs

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Rate Limited Email Sending Queues for Resend Postmark SES and Node.js Jobs

DEV Community: node·ZachariahHolloway9058·about 11 hours ago

#yof2wFO8

#devtonodejs #devto #dev #provider #queue

Short answer: put a background queue in front of Resend, Postmark, or SES, and make the worker own...

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Node.js Document Upload and Signed Download from Private Object Storage for Logistics

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Node.js Document Upload and Signed Download from Private Object Storage for Logistics

DEV Community: node·JerichoRhodes5847·about 11 hours ago

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#devtonodejs #devto #dev #snapshot #tenant

Short answer: keep each tenant's PDF and DOCX backup snapshots in a private object-storage bucket,...

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Multer Node.js User Profile Picture Uploads with Private Object Storage Retention

DEV Community: node·NorbertChristensen3183·about 11 hours ago

#FX81d073

#devtonodejs #devto #dev #storage #original

Short answer: use Multer to accept a receipt as multipart/form-data, validate it before any side...

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Node.js Backup Restore Flows — Signed URLs and Tenant-Isolated Private Object Storage

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Node.js Backup Restore Flows — Signed URLs and Tenant-Isolated Private Object Storage

DEV Community: node·EthanBrooks1647·about 11 hours ago

#GVEnsuPP

#devtonodejs #devto #dev #tenant #storage

Short answer: keep backup objects private, verify them with a HEAD request, and issue a short-lived...

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Node.js Payment Reconciliation: Recovering Delayed Webhooks on Public HTTPS

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Node.js Payment Reconciliation: Recovering Delayed Webhooks on Public HTTPS

DEV Community: node·GideonSterling9643·about 11 hours ago

#iNBQj98F

#devtonodejs #devto #dev #queue #attempt

Short answer: for a SaaS delayed webhook task queue in Node.js, put each reconciliation unit in a...

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Sending GCash-Style Payment Reminders for a Small PH Reseller Shop (Node.js, No Database)

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Sending GCash-Style Payment Reminders for a Small PH Reseller Shop (Node.js, No Database)

DEV Community: node·SEO - NT Tech Innovation·about 23 hours ago

#Jl5Ms01W

#devtonodejs #devto #dev #const #order_id

Small social media resellers in the Philippines often run everything from Messenger and a...

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Keep the PMS, Fix the Fringe: One Ownership Rule for Modernizing Property Management Software

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Keep the PMS, Fix the Fringe: One Ownership Rule for Modernizing Property Management Software

DEV Community: node·yulyabrocoders·about 23 hours ago

#J4r4QplF

#devtonodejs #devto #dev #system #fringe

The expensive mistake in property management modernization is treating "the system is old" and "the...

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TypeScript for AI Engineers: The Language of AI Web Apps

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TypeScript for AI Engineers: The Language of AI Web Apps

DEV Community: node·Pradeep Kumar·about 23 hours ago

#AVL79AuU

#devtonodejs #devto #dev #const #typescript

Most AI products need a web front end, and that means TypeScript. This post teaches it to Python programmers: the JavaScript gotchas, the type system, Zod, fetch and streaming, then builds a fully typed, tested client for the API from Post 20.

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Hey DEV Community! 👋 I'm Himaz

DEV Community: node·Mohammed Himaz·about 23 hours ago

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#devtonodejs #devto #dev #community #himaz

Hey DEV Community! 👋 I'm Himaz Hello everyone! I'm Mohamed Himaz, a Software Engineer...

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Following Redirect Chains That Break Link Previews: Cap the Hops, Prefer Absolute Location Headers, and Read the Final HTML

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Following Redirect Chains That Break Link Previews: Cap the Hops, Prefer Absolute Location Headers, and Read the Final HTML

DEV Community: node·Abid Ali·about 23 hours ago

#3feoGIUW

#devtonodejs #devto #dev #html #tags

A page can look perfect in the browser and still share as the wrong card. The usual suspect is a...

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Importing My Own Calculator's Math Module in Node Found Two UI Bugs and No Math Bugs

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Importing My Own Calculator's Math Module in Node Found Two UI Bugs and No Math Bugs

DEV Community: node·fei mai·about 23 hours ago

#bIWDJXww

#devtonodejs #devto #dev #angle #inputs

I could have reviewed this code by reading it. Instead I imported it and threw 67 inputs at it, which...

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Bangladesh Time (UTC+6) Order Reports for a Small SMM Reseller, with Node.js

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Bangladesh Time (UTC+6) Order Reports for a Small SMM Reseller, with Node.js

DEV Community: node·SEO - NT Tech Innovation·about 23 hours ago

#bCN2b42X

#devtonodejs #devto #dev #const #bangladesh

Running a small SMM reseller shop from Bangladesh? Your customers message at night, orders pile up,...

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Why MCP OAuth Discovery Leads to SSRF

DEV Community: node·Stefan·about 23 hours ago

#BMHNOy0r

#devtonodejs #devto #dev #server #client

Learn how dynamic OAuth discovery in the Model Context Protocol introduces SSRF, and how to validate discovery endpoints safely.

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Build a WhatsApp Appointment Booking Flow for Clinics with Interactive List Messages (Node.js)

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Build a WhatsApp Appointment Booking Flow for Clinics with Interactive List Messages (Node.js)

DEV Community: node·Wabbiyo·about 23 hours ago

#hd3K70ZI

#devtonodejs #devto #dev #const #type

Clinics get the same message all day: "Is the doctor available tomorrow?" Then begins a...

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Stop trusting file extensions: validating uploads by content (with ffmpeg)

I got tired of babysitting Playwright, so I turned it into a small render API

Node.js Object PUT vs Multipart Upload — Pick Multipart for Large App Backups

Node.js PDF Preview API: 3 Template Gates Before Forms Become Images

Node.js Cron Setup: 2 Periodic Database Cleanup Patterns for Webhooks

Healthtech Export Artifacts: Signed-URL Delivery, Node.js, and Durable Object Storage

Rate Limited Email Sending Queues for Resend Postmark SES and Node.js Jobs

Node.js Document Upload and Signed Download from Private Object Storage for Logistics

Multer Node.js User Profile Picture Uploads with Private Object Storage Retention

Node.js Backup Restore Flows — Signed URLs and Tenant-Isolated Private Object Storage

Node.js Payment Reconciliation: Recovering Delayed Webhooks on Public HTTPS

Sending GCash-Style Payment Reminders for a Small PH Reseller Shop (Node.js, No Database)

Keep the PMS, Fix the Fringe: One Ownership Rule for Modernizing Property Management Software

TypeScript for AI Engineers: The Language of AI Web Apps

Hey DEV Community! 👋 I'm Himaz

Following Redirect Chains That Break Link Previews: Cap the Hops, Prefer Absolute Location Headers, and Read the Final HTML

Importing My Own Calculator's Math Module in Node Found Two UI Bugs and No Math Bugs

Bangladesh Time (UTC+6) Order Reports for a Small SMM Reseller, with Node.js

Why MCP OAuth Discovery Leads to SSRF

Build a WhatsApp Appointment Booking Flow for Clinics with Interactive List Messages (Node.js)