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    How to use FilePond with Node.js

    pubsub.slavino.sk / infoworldcom · 7 days ago - 10:00 edit

Uploading files is a common need for cloud apps. FilePond is a solid open-source project that offers sophisticated file handling and wrappers for many JavaScript frameworks like React and Svelte .

This article gives an overview of handling file uploads with FilePond and a Node.js and Express back end.

[ Also on InfoWorld: How to CRUD with Node.js and MongoDB ]

Why FilePond?

There are numerous libraries available for the task, but FilePond is supremely easy to use and handles niceties like image optimization without extra configuration. Moreover, it gives the developer a clear-cut process on the server-side.

To read this article in full, please click here


Značky: #JavaScript, #Rozne, #Node.js

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    XMPP for IoT: Visualisation of Meteorological Live Data for Renewable Energy

    debacle · pubsub.movim.eu / berlin-xmpp-meetup · Tuesday, 11 May - 15:29 edit

Dan and Tim will present a beautiful web application based on Strophe.js and Flot.js to visualise live measuremen data transmitted via XMPP PubSub/PEP. This is not about instant messaging at all, this is IoT, but security included.

When? Wednesday, 2021-05-12 18:00 CEST (always 2ⁿᵈ Wednesday of every month)

Where? Online, via our MUC (xmpp:berlin-meetup@conference.conversations.im?join). A Jitsi video conference will be announced there.

See you then!

#jabber #berlin #meetup #community #xmpp #iot #webapplication #javascript #strophejs #flotjs #pubsub #pep #security #renewableenergy

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    Holger Weiß , debacle , Timothée Jaussoin

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    JSXC gets funding for group calls!

    debacle · Tuesday, 6 April - 08:53 edit

JSXC gets funding for group calls!

That sounds cool! #Jabber web browser client #JSXC gets funding by German governments #prototypefund to implement audio/video group calls within the next six months. One-to-one calls between #Conversations, #Movim and JSXC already work since some time, although not without flaws.

Note, that #Dino gets funding to implement one-to-one audio/video calls right now, compatible with Conversations and JSXC. The future for XMPP A/V calling looks bright!

#XMPP #federation #conference #freesoftware #javascript #strophejs #jingle #webrtc #Round9 #audiovideo #privacy #sovereignty #Datenschutz #Souveränität

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    Timothée Jaussoin , eyome , Thomas

async... heu.. wait
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    Deno 1.8 preps for GPU-accelerated machine learning

    pubsub.slavino.sk / infoworldcom · Wednesday, 3 March - 22:05 edit

Deno 1.8, released on March 2, offers preliminary support for an API to bring enhanced machine learning to the secure JavaScript/TypeScript runtime .

Experimental backing for the WebGPU API , for performing operations such as rendering and computation on a GPU, provides a path toward out-of-the-box GPU accelerated machine learning in Deno, release notes said. The WebGPU API gives developers a low-level, high-performance cross-architecture mechanism to program GPU hardware from JavaScript. It serves as the effective successor to WebGL on the web.

To read this article in full, please click here


Značky: #JavaScript, #Rozne, #Node.js

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    How to handle component interaction in React

    pubsub.slavino.sk / infoworldcom · Thursday, 25 February - 11:00 edit

Every React app is composed of interacting components. How these components communicate is an essential aspect of the UI architecture. As applications grow larger and more complex, component interaction becomes even more important.

React provides several methods for handling this need, each with its appropriate use cases. Let’s begin with the simplest approach, parent-to-child interaction.

[ Also on InfoWorld: Angular, React, Vue: JavaScript frameworks compared ]

Parent-to-child with props

The simplest form of communication between components is via properties — usually called props . Props are the parameters passed into child components by parents, similar to arguments to a function.

To read this article in full, please click here


Značky: #JavaScript, #Rozne, #React

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    TypeScript 4.2 tunes tuple types

    pubsub.slavino.sk / infoworldcom · Wednesday, 24 February - 20:18 edit

Microsoft has published the production release of TypeScript 4.2, an update to the popular open source language that adds types to JavaScript. Arrived February 23, TypeScript 4.2 features enhancements pertaining to tuple types and type aliases.

TypeScript 4.2 expands the ways rest elements in tuple types can be used. Previously, TypeScript only permitted rest elements in the last position of a tuple type. Now, rest elements can occur almost anywhere within a tuple, with a few restrictions. A rest element cannot be followed by another optional element or rest element, and only one rest element is permitted per tuple.

[ Also on InfoWorld: The most valuable software developer skills to get hired now ]

TypeScript 4.2 also includes these changes and enhancements:

To read this article in full, please click here


Značky: #JavaScript, #Rozne

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    Scala 3 moves to release candidate stage

    pubsub.slavino.sk / infoworldcom · Monday, 22 February - 17:52 edit

Scala 3, the planned next version of the object-oriented, functional language with JVM and JavaScript runtimes , has moved to a release candidate stage, with type parameter ehhancements and syntax improvements.

The Scala 3 RC , introduced February 17, brings last-minute polishing and cleanups. The user experience was improved and the metaprogramming framework enhanced. Scala has both JVM and JavaScript runtimes and is positioned for use in building high-performance systems with access to ecosystems of libraries.

To read this article in full, please click here


Značky: #Scala, #Rozne, #Java, #JavaScript