MQTTX VS Angular

This section will introduce how to use Neuron to collect data from FINS TCP devices, upload the collected data to EMQX, and view it using MQTTX.

Next, we open MQTTX, create a new connection, copy the JWT output when JWKS Endpoint starts to the Password field, and click Connect in the upper right corner to connect.

Again, we can use MQTTX or any other MQTT client to publish MQTT data to the demo/sensor topic. Those data will be processed by the rule. For example, we publish the following data to the topic with a 30 seconds interval, and the two minutes data is like this:

Among these, the MQTTX open-source project stands out as a fast-growing client tool that offers a modern chat-style interface, full MQTT 5.0 support, and a rich set of features that provides a great user experience. With three versions available - Desktop, Command Line, and Browser - MQTTX can fulfill your MQTT testing requirements in diverse scenarios. Undoubtedly, MQTTX is among the top MQTT client tools of 2023.

Here are a few alternatives: http://mqtt-explorer.com/ https://mqttx.app/

Next, we will demonstrate the use of Clean Session with the open-source cross-platform MQTT 5.0 desktop client tool - MQTT X.

MQTT connections are initiated from the client to the broker. Any application or device running the MQTT client library is an MQTT client. The MQTT Broker handles client connection, disconnection, subscribe (or unsubscribe) requests, and routes messages up on receiving publish requests.

MQTT X is an open-source cross-platform desktop client. It is easy to use and provides comprehensive MQTT 5.0 functionality, feature testing, and runs on macOS, Linux and Windows. It also provides command line and browser versions to meet MQTT testing needs in different scenarios.

In this post, we are not going to dig into the programming SDKs. We will try to demonstrate MQTT retained messages using the open-source cross-platform MQTT 5.0 desktop client - MQTT X.

Use MQTT 5.0 client tool - MQTT X as another client to test message sending & receiving.

/** * https://github.com/angular/angular/blob/75a186e321cb417685b2f13e9961906fc0aed36c/packages/core/src/render3/reactivity/untracked.ts#L15 * * packages/core/src/render3/reactivity/untracked.ts * **/ export function untracked(nonReactiveReadsFn: () => T): T { const prevConsumer = setActiveConsumer(null); try { return nonReactiveReadsFn(); } finally { setActiveConsumer(prevConsumer); } }

source: https://github.com/angular/angular/issues/46542

Besides the dangers, mentioned by Angular docs (infinite loops, change detection errors), there is another thing, that might be quite nasty: effects are executed in a reactive context, and any code you call in effect, will be executed in a reactive context. If that code reads some signals, they will be added as dependencies to your effect. Here Alex Rickabaugh explains the details.

In June 2023, the Angular team raised a new RFC to implement control flow syntaxes within Angular. They gave the following rationale for introducing control flow syntax:

For scheduling, I use awesome code I found in the Angular source code.

Just to give you more context, I led the migration of several AngularJS applications to the newer Angular Framework. My client finally decided to make that move following the AngularJS deprecation announcement (stay up to date please 🙏)️.

Link — angular/CONTRIBUTING.md

Angular v17 was released some months ago with a ton of new features, a brand new logo and the new blog angular.dev.