John Daintree

Chief Architect

Based: United Kingdom

Joined Dyalog Ltd: September 1991

Role Summary

John spends most of his time working on user interfaces (the Dyalog Development Environment, .NET, COM, ⎕WC, and so on).

Biography

John joined Dyadic Systems (as it then was) immediately after completing his degree in Computer Aided Chemistry from The University of Surrey. He’d never heard of APL before.

Why Dyalog ’14 was a Shear Delight

Recent versions of Microsoft Windows support touch screens, which of course means that applications can respond to events originating from touches. Microsoft calls these events “gestures”. Dyalog decided to add support for gestures to version 14.1 and so projects were planned, designs were designed, code was coded and, at Dyalog ’14 (#Dyalog14), a demonstration was … Read

October 2014

In: Algorithms, APL Language, Dyalog '14

Creating Shortcuts (Microsoft Windows)

At Dyalog, a developer not only needs access to all of the readily available editions of the interpreter but also to earlier versions that are no longer officially supported. On my Microsoft Windows Desktop I have a folder that contains a shortcut to my developer builds of all these interpreters. I’ve recently suffered a complete … Read

July 2014

In: APL Language, Tips & Tricks, Windows

Array Notation: A Journey of Discovery

John's never been 100% convinced about the proposed Array Notation (https://aplwiki.com/wiki/Array_notation). He's been on a voyage of discovery...find out where he ended up. Slides (PPTX): https://www.dyalog.com/uploads/conference/dyalog24/material...View

September 2024

Dyalog '24

WC Plugins

John demonstrates extensions (and some simplifications) to the DWA interface that allow the creation of external ⎕WC objects. Dyalog Ltd intends to use this mechanism to re-implement the HTMLRenderer object. Slides (PPTX): https://www.dyalog.com/u...View

September 2024

Dyalog '24

Interpreter Limits

There are many limits in the Interpreter, some of which you might know about (for example, a maximum rank of 15) and some of which you might not (for example, a depth limit of 256 parentheses in a function). Some limits are easy for us to change, oth...View

September 2024

Dyalog '24

Dyalog Version 20.0 – Part 1

An update to the so-called Token-by-Token (TBT) Debugging – or is it primitive tracing? or should it be called “Bit-by-Bit Poking”?! Whatever it is called, the ability to do fine-grained tracing function-by-function within expressions clearly h...View

October 2023

Dyalog '23

Dyalog Version 20.0 – Part 2

Generics in C# and other statically typed languages are a feature that allow you to write functions and classes etc. which work with various types without specifying the actual type until the code is instantiated or compiled. If you live in C# world...View

October 2023

Dyalog '23

2022 Conference Edition Part 3 – Future(s)

In the third part of this series, John explores some ideas for asynchronous programming in Dyalog. Part 1: https://www.youtube.com/watch?v=Vd4HR_Ld-tQ Part 2: https://www.youtube.com/watch?v=b2at0Sa8v3E Part 3b: https://www.youtube.com/watch?v=nkqds...View

October 2022

Dyalog '22

Team Dyalog

We promote a culture where innovation, fun, pride, and acceptance is part of our everyday life. We come from a variety of backgrounds, and we learn from each other’s diversity.