#messaging

Every depot I know runs on a group chat. Ours were set up by shift managers, on their own phones,...

The number A ZoomEye query for app="Mattermost" returned 756,074 matching hosts, collected...

Before 143 dead-lettered messages go back to their consumer, send one and watch whether it dies again. How to replay a single message by hand, how long to wait given your retry policy, how to tell its return from a new failure, and when a passed canary still proves nothing.

Choose application-owned templates for a gaming platform that changes receipt or login copy by...

"Do we need a queue or a log?" used to mean "RabbitMQ or Kafka?" That is no longer true. Apache Kafka...

Get messages, Move messages, Publish message and Purge, measured on RabbitMQ 4.3.6: which ack mode removes a message, which one costs a delivery on a quorum queue, where moved messages end up, and what to do before you click.

If you have an existing Node.js application using amqplib, changing AMQP clients might sound like...

The transactional outbox solves the dual write problem and hands you a second one: a relay service you have to deploy, watch and keep pointed at the right database. ulak moves the relay into PostgreSQL as background workers. This is how it claims, delivers and recovers, and the trade it asks you to accept for that.

A one-off reminder is easy on Telegram — type /remind and you're done. But things you need every day...

Let's get the straight answer out of the way first: no, you cannot reopen someone else's view-once...

Telegram has secret chats, self-destructing messages, and vanishing photos — but it has no built-in...

I've moved more groups off WhatsApp than I can count — a flatmates' chat, a weekend football squad, a...