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UK Smalltalk User Group meeting - 27 July 2022
by Giovanni Corriga 18 Jul '22

18 Jul '22

For this month's UKSTUG meeting, we'll open the floor to the whole audience and let people show what they are working on. If you have an interesting project to show, or if you'd like to get some help with some hard problem, just show up and be ready to present! This will be an online meeting from home. If you'd like to join us, please sign up in advance on the meeting's Meetup page ( https://www.meetup.com/ukstug/events/286802146/ ) to receive the meeting details. Don’t forget to bring your laptop and drinks!

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UK Smalltalk User Group meeting: Smalltalk and Self hardware - 29 June 2022
by Giovanni Corriga 13 Jun '22

13 Jun '22

For our June meeting, Merik Voswinkel will give us a presentation on Smalltalk and Self hardware with a focus on manycore parallelism and distributed computing. This follows from Jecel Assumpcao Jr's SiliconSqueak presentation at the California Smalltalkers meetup ( https://youtu.be/CfYnzVxdwZE ). Merik will bring us on a tour past 50 years of late bound message passing Smalltalk VMs, Smalltalk RISC processors, David Ungar’s RoarVM, adaptive compilers, concurrent aggregates, clone-reduce, a processor per object, FPGA’s, Morphle Logic, Croquet and Teatime , Wafer Scale Integration, hundred (M1 Ultra), thousands and million cores ASICs, Cuniform, Matroshca Brains and much more in our tourney towards the Wayne Gretzky invention game of inventing the future. If there is time we’ll go burning the Smalltalk disk packs, the intergalactic network GUI and the destiny of computers as intellectual amplifiers for humans pervasively networked worldwide and how we are going to communicate with Aliens. Merik Voswinkel is an independent scientist who build his first transputer supercomputer for Smalltalk after the Byte 1981 Smalltalk issue, build one of the first internet providers, works on SiliconSqueak, wafer scale integrations and Enernet energy computing. This will be an online meeting from home. If you'd like to join us, please sign up on the Meetup page ( https://www.meetup.com/ukstug/events/286314641/ ).

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UK Smalltalk User Group Meeting - Wednesday, May 25th
by Giovanni Corriga 14 May '22

14 May '22

For our May meeting, Object Guild's Jonathan van Alteren and Erik Stel will give us a preview of Expressive Systems. Expressive Systems is a framework inspired by Richard Pawson's work on Naked Objects ( https://en.wikipedia.org/wiki/Naked_objects ). It allows Object Guild to rapidly develop flexible applications by focusing on the design of behaviorally complete objects in the business domain. By using a novel web application architecture based on CodeParadise ( https://github.com/ErikOnBike/CodeParadise ), it allows direct manipulation of business objects by the user. The goal of the framework is to better support problem solving activities and to empower users by giving them a first-person experience. The framework is currently in a (private) alpha phase of development. There are plans to open source the framework in the future. Jonathan has been developing business applications for various Dutch companies since 2001, in roles varying from programmer to solution architect. In 2018, he got hooked on Pharo/Smalltalk and never looked back. Erik has developed both technical as well as business applications in a variety of areas using a broad range of technologies. He’s been a Smalltalk addict since using VisualAge in the late 1990’s. This will be a hybrid meetup where we'll connect to Zoom from the The City Pride pub ( https://goo.gl/maps/gxiuohY8z5CvA7wr5 ). If you'd like to join us either via Zoom or in person, please sign up on the Meetup page ( https://www.meetup.com/UKSTUG/events/285546604/ ).

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UK Smalltalk User Group Meeting - Wednesday, April 27th
by Giovanni Corriga 21 Apr '22

21 Apr '22

The next meeting of the UK Smalltalk User Group will be held on Wednesday, April 27th 2022. Newspeak ( https://bracha.org/Site/Newspeak.html ) is a programming system in the Smalltalk tradition, whose current incarnation runs in the web browser. Newspeak is designed to provide the liveness Smalltalkers expect, as well as features atypical of Smalltalk such as modularity, security and good interoperability with the surrounding ecosystem. In this talk, we'll explain how and why Newspeak differs from Smalltalk and demonstrate the Newspeak IDE. Gilad Bracha is the creator of the Newspeak programming language and a well known researcher in the area of object-oriented programming languages. He was awarded the senior Dahl-Nygaard prize in 2017. He is currently a Technical Fellow at F5, and has held positions at Google, SAP Labs, Cadence, and Sun. He has authored or co-authored several books including the Java Language and Virtual Machine Specifications, and the Dart Programming Language. Prior to joining Sun, he worked on Strongtalk, the Animorphic Smalltalk System. He received his B.Sc in Mathematics and Computer Science from Ben Gurion University in Israel and a Ph.D. in Computer Science from the University of Utah. This will be an online meeting from home. If you'd like to join us, please sign up in advance on the meeting's Meetup page ( https://www.meetup.com/UKSTUG/events/cbklbrydcgbkc/ ) to receive the meeting details. Don’t forget to bring your laptop and drinks!

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UK Smalltalk User Group Meeting - Wednesday, March 30th
by Giovanni Corriga 22 Mar '22

22 Mar '22

The next meeting of the UK Smalltalk User Group will be held on Wednesday, March 30th 2022. Come to hear news about Glamorous Toolkit, the moldable development environment. We were busy over the past year: beside everything else, GT also became a multi-language notebook + programmable knowledge management platform. By this we unify the flows of programming, data science and knowledge management. And there might be a couple of other surprises, too. Tudor Gîrba is a software environmentalist and CEO of feenk.com where he works with an amazing team to make the inside of systems explainable. Much of the work is embodied in Glamorous Toolkit (gtoolkit.com), a novel environment that enables Moldable Development. This will be an online meeting from home. If you'd like to join us, please sign up in advance on the meeting's Meetup page to receive the meeting details. Don’t forget to bring your laptop and drinks!

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UK Smalltalk User Group meeting - 23 February 2022
by Giovanni Corriga 19 Feb '22

19 Feb '22

For this month's UKSTUG meeting, we'll open the floor to the whole audience and let people show what they are working on. If you have an interesting project to show, or if you'd like to get some help with some hard problem, just show up and be ready to present! This will be an online meeting from home. If you'd like to join us, please sign up in advance on the meeting's Meetup page ( https://www.meetup.com/UKSTUG/events/284113812/ ) to receive the meeting details. Don’t forget to bring your laptop and drinks!

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UK Smalltalk User Group Meeting - Wednesday, January 26th
by Giovanni Corriga 17 Jan '22

17 Jan '22

For our January meeting, we'll be hosting GemTalk's Martin McClure who will talk about a new Smalltalk IDE - Sparkle. If you're setting out to develop a Smalltalk IDE from scratch, what design decisions do you make? You'd love to "fix" the things that have long annoyed you in existing IDEs, but new designs risk creating their own novel annoyances. The Sparkle project-in-progress is creating a new and not entirely conventional development environment for GemStone Smalltalk. Come see factors that have influenced its design, get a demo of the current state of the tools, learn about the project's next steps, and share *your* IDE annoyances. Martin heard about Smalltalk in 1975, *finally* got his hands on a running Smalltalk system ten years later, and hasn't let go since. In his 25 years on the GemStone team, Martin has worked on many aspects - some VM internals, some user interface design, but mostly all the things that go in between. In his rare spare time, he works on Mist, a Smalltalk variant with improved modularity and no virtual machine. When not dodging Covid, he does a lot of contra and country dancing. This will be an online meeting from home. If you'd like to join us, please sign up in advance on the meeting's Meetup page ( https://www.meetup.com/UKSTUG/events/282299228/ ) to receive the meeting details. Don’t forget to bring your laptop and drinks!

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UK Smalltalk User Group Meeting - Wednesday, December 29th
by Giovanni Corriga 09 Dec '21

09 Dec '21

For our December meeting, Florin Mateoc will show us JsSqueak ( https://github.com/fmateoc/JsSqueak ), a JavaScript implementation of (JavaScript compiled) Squeak. Whereas SqueakJS or TruffleSqueak are implementations of the Squeak stack VM which run the Squeak bytecodes, JsSqueak compiles all the Squeak code to JavaScript (including the VM plugins), it exports the image state as one big JavaScript storeString, and then loads them, and runs the JavaScript implemented minimal VM (mostly primitives) and the JavaScript-translated Squeak methods as one combined JavaScript application. The compiled JavaScript application can be run either in a browser or in Node.js While JavaScript, especially with its newest additions, is a very powerful language, which allows us to implement most Smalltalk-specific features (e.g. processes/green threads are implemented using generator functions and recursive yield* for all invocations, DNU is implemented using proxies and proto manipulation, the Smalltalk parallel class hierarchy is implemented using JavaScript classes with static properties and their parallel prototypes hierarchy, weak classes are implemented using JavaScript WeakRef instances in their (weak) slots), one obvious challenge is implementing contexts. Since we compile Squeak classes to JavaScript classes, Squeak methods to JavaScript methods (and class-side Squeak methods to static JavaScript methods), the code runs on the native JavaScript call stack, and we do not have a mapping between the JavaScript function activations and reified contexts. Nevertheless, it turns out that, by providing specialized implementations for various aspects that are implemented using contexts/stack walking in Squeak, we can actually run almost all Squeak code as-is. Florin Mateoc ( https://fmateoc.js.org/ ) is an electronics engineer who has always loved programming and who has actually only ever worked as a software engineer. Florin has worked as a professional Smalltalk programmer in Enfin (later called ObjectStudio), VisualAge, VisualWorks, and a little bit as a hobbyist in Squeak. This will be an online meeting from home. If you'd like to join us, please sign up in advance on the meeting's Meetup page ( https://www.meetup.com/UKSTUG/events/282445345/ ) to receive the meeting details. Don’t forget to bring your laptop and drinks!

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UK Smalltalk User Group Meeting - Wednesday 24 November
by Giovanni Corriga 16 Nov '21

16 Nov '21

This month, the UKSTUG will take a look at Objective-S ( http://objective.st/ ), an architecture-oriented programming language based on Smalltalk and Objective-C, by hosting his creator Marcel Weheir. As per Alan Kay, “Code seems large and complicated for what it does”. Objective-S addresses one source of this accidental complexity: using software architectural abstraction to directly expresses the much wider variety of architectural styles typical of modern software systems, compared to traditional programming languages that still follow the call/return architectural style of scientific programs from the early days of computing. Marcel Weheir ( https://twitter.com/mpweiher ) started his forays into dynamic object-oriented computing by implementing Objective-C on his Amiga 35 years ago and hasn’t stopped since. Stops on the way have been at Apple, the BBC, Microsoft and various startups, as well as contributing to Squeak. He is currently a principal software engineer at Citymapper and PhD student at HPI, where he is trying to distill some of the lessons learned from over a quarter century of industry experience into Objective-S. This will be an online meeting from home. If you'd like to join us, please sign up in advance on the meeting's Meetup page ( https://www.meetup.com/UKSTUG/events/cbklbryccpbgc/ ) to receive the meeting details. Don’t forget to bring your laptop and drinks!

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UK Smalltalk User Group meeting - Wednesday, October 27th
by Giovanni Corriga 08 Oct '21

08 Oct '21

For this month's meeting, Cincom Smalltalk ( https://www.cincomsmalltalk.com/main/ ) product manager Arden Thomas will discuss recent product changes and improvements and demonstrate some tools and features of ObjectStudio and VisualWorks 9.1. Arden ( https://twitter.com/ArdenTCST ) started working with Smalltalk in 1986, looking for a better way to do software development – and he found it. Arden built factory floor layout tools for IBM, worked at ParcPlace as an SE, an instructor, and consultant, and at a hedge fund building financial analysis tools. Arden is currently the product manager for Cincom Smalltalk. This will be an online meeting from home. If you'd like to join us, please sign up in advance on the meeting's Meetup page ( https://www.meetup.com/UKSTUG/events/280378922 ) to receive the meeting details. Don’t forget to bring your laptop and drinks!

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