apl

apl

Configuring your APL keyboard on Linux

My preferred APL keyboard setup on Linux is as follows: setxkbmap -layout us,apl -variant ,dyalog -option grp:lswitchThis will use the left-Alt key as a Mode switch key to allow you to type APL symbols by holding down Alt and hitting the correct

apl

Installing Dyalog APL on Nix

The following repository is a starting point for getting Dyalog APL on Nix OS. Keep in mind that at the time of this writing the repository is based on 17.0. Version 17.1 includes a much improved and streamlined download process from the

co-dfns

The T-shirts are finally here!

It's taken me a long time to put this together, but I've finally put together a small T-shirt shop! To start with, the initial product launch is the special Co-dfns: Thesis Edition t-shirts and hoodies, in celebration of the completion of my Thesis. I

apl

Writing code to be spoken

A personal favorite design element that APL allows me to explore is the "lyricality" of a given piece of code. I ask myself how much the natural language description of what a piece of code does would map directly to the code. This is

apl

LambdaConf Tree Manipulation Workshop Videos

The videos for my LambdaConf Tree Manipulation workshop are now online. I was moving through the workshop pretty quickly, and we cover a lot of different topics across a wide range of topics related to APL, so don't expect a very focused lecture or

text editor

ALE: arcfide's line editor

ed(1) meets Emacs implemented in APL, a la Acme. ALE is a line editor that I have created because I can.

apl

Un-directed programming

Various forms of "directed" programming have become very popular these days. However, I find that many of these are too restrictive and not conducive to what I consider a "human" creative approach to programming. Sometimes, it's nice to have a

social media

Playing around with Scuttlebutt/Patchwork

So I'm playing around with Scuttlebutt and Patchwork. I've even set up a pub server: social.sacrideo.us Specifically intended to help those who are interested in keeping up with my own social/technical network. While I can't stand normal social media, perhaps this

apl

Paper is dead, long live Paper Programming

It should come as no surprise to anyone who reads this blog that I love to program "by hand." I happen to practice a degree of ascetical programming practices, and I believe that they help me to more deeply internalize and understand

apl

User Command for Co-dfns

Co-dfns has a new User Command based interface!

job

Dyalog is hiring!

Are you a fast learner who likes to solve real problems with a passion for programming? How about a unique, one of a kind opportunity to work in diverse fields in cutting edge research and development?

apl

Dyalog APL in Jupyter

I just wanted to make a short post mentioning a new repository that has gone live at Dyalog: https://github.com/Dyalog/dyalog-jupyter-kernel Now you should be able to use Dyalog APL inside of a Jupyter notebook. Very cool! As I understand it, this

apl

Decoding Inverses

Everyone has something to learn, and we should always be open to those new things the world around is showing us. I learned a "new" trick in APL recently from none other than an attendee of one of my APL workshops (thanks

codfns

Getting Started with APL

Dyalog APL is now easier than ever to install: https://www.dyalog.com/download-zone.htm I have been giving a number of talks and workshops on APL recently, and somewhat to my surprise, people are interested! However, this has led to a small dilemma,

apl

FunctionalConf 2017: APL Patterns vs. Anti-patterns

https://youtu.be/v7Mt0GYHU9A

co-dfns

Co-dfns 2017 Report

A great deal of work has gone into this year to improve and expand the capabilities of Co-dfns. The following presentation describes these updates in brief. Co-dfns 2017 Presentation at Dyalog '17 You can find the video recording of this presentation at Dyalog TV.

apl

APL Style: Patterns and Anti-patterns in APL

I gave the following talk at Dyalog '17 this year. I think it was a lot of fun, but I had to go through the slides pretty fast. I encourage anyone interested in the topic to go through the Sway presentation more carefully in

apl

An Interview about LambdaConf Workshop

The following is an interview that I was asked to give about my upcoming LambdaConf workshop. I have reproduced it here because it has been removed from the original host location. Aaron Hsu Interview Aaron Hsu will be giving a talk. He will be

co-dfns

Co-dfns 2017.04.1

Release Page This is a pretty small but significant release. We've cleaned up a few things, added the last missing primitives, improved output a bit, and begun the work towards recursion and branching. Regressions Currently Windows is the only tested environment Currently only NVIDIA

apl

LambdaConf 6-hour Leap Workshop Intensive on APL

For those who are interested in getting an intensive experience with Modern, Functional Array Programming with Co-dfns, APL, and Dyalog, consider attending my 6-hour intensive 1 day workshop at Lambda Conf 2017. LambdaConf is a functional programming conference, with 80 sessions covering functional programming,

co-dfns

Co-dfns Release 2016.9.1

Latest Release: https://github.com/arcfide/Co-dfns/releases/latest 2016.9.1 Release: https://github.com/arcfide/Co-dfns/releases/tag/v2016.9.1 We are pleased to release the September edition of the Co-dfns compiler! This iteration focuses on improving polish and fixing up

apl

Scripting with APL: Convert GNUCash XML format to Ledger CLI

I want to play around with the Ledger CLI software, but this requires that I have something to work with. I have previously kept most of my stuff in the GNUCash program, and while I found a few conversion utilities around, I didn't find

apl

Co-dfns 0.4 Released: Enter the Fusion

I have released v0.4 of the Co-dfns compiler. This release focuses on overcoming the performance bottlenecks that were plaguing earlier versions by using the DWA infrastructure. You can now expect good performance on scalar computation on both the CPU and the GPU, though

apl

Improving Performance with DWA

In my 2014 Dyalog presentation I demonstrated the Co-dfns compiler and its ability to target GPU and CPU platforms without altering the source code. Unfortunately, at the time, there was a regression in the system that lead to slower-than-interpreter results. I did get that

apl

Modern Cleanroom Software Engineering in an APL Context

The Problem I've spent some time with Cleanroom Software Engineering attributed to Harlan Mills. Without a doubt it is my favorite development technique. In a nutshell, CSE gives me the following benefits: Certified reliability metrics of the code base Formal verification of code correctness