Welcome to DDL!

About Us

We’re a group of Dayton-area programmers who help each other learn how to write in dynamic languages. We’re casual, inquisitive, beginner-friendly, and include both professionals and amateurs.
If you’re interested in Ruby (including Rails), Python (including Django), PHP, Perl, Javascript, Scheme, Lisp, Smalltalk, etc, this is the place for you. Now and then we poke into other languages, too, particularly if they seem interesting and exciting.

We’re responsive and informal; if there’s a topic you’d like to present on or just like to see, we’ll probably be interested in it too!

We are a Special Interest Group (SIG) of the Dayton Microcomputer Association. See other DMA SIG meetings at [Meetup](http://www.meetup.com/Dayton-Microcomputer-Association-Meetup/

Upcoming Meetings

Our monthly meetings take place at Dayton’s Innovation Hub, but we also use the “General” voice channel of the PyFri Discord, so if you aren’t fully vaccinated or can’t make it downtown for any other reason, feel free to join us online.

June 2026: PyCon, constrained problems, and remote_exec

June 10, 2026

June 2026: Pycon, Constrained Problems, and remote_exec

Pycon US 2026 is over, so let’s have a recap! Including:

Python 3.14 remote_exec

Have you seen a Western in which the hero gallops up alongside a speeding train and leaps aboard? Wouldn’t you like to do that in Python?

Python 3.14 introduces remote_exec, enabling you to attach to, run code in, and debug a Python program running in another process without any preparation - perfect to figure out what’s going on in a long-running program without restarting it.

Constrained Problem Solvers follow-up

In March 2026, Rodrigo Girão Serrão showed us conceptually how many complex questions can be expressed as a set of truth statements - which are all that a program called a Constrained Problem Solver needs to find a solution. We didn’t get quite as far as applying the concept to working code, so we’ll follow through and do it now.

Discuss Discord consolidation

We should also discuss folding the DDL Discord channel into the existing Gem City Tech discord. Don’t let me forget!

Location: Innovation Hub

We meet in the Innovation Hub, a gorgeous new facility that’s part of the renovated Dayton Arcade complex.
Enter through the doors that face the Wright Stop Plaza bus hub.

Street parking is free in the evening. I usually park on Ludlow Street.

or

if for any reason coming downtown doesn’t work for you (for instance, you’ve been exposed to COVID, or you’ve converted yourself to purely digital format and now exist as a set of cloud-hosted algorithms), we’ll be online as well!

Join us at 7 PM EDT on the PyFri Discord channel, discord.gg/9SgTh3T, and click on the General voice chat link. You may need to install the Discord desktop app rather than just using the web interface.

PyFri@WBI: Python self-study meetups

time change to 2 PM

Together with Tec^Edge, we’re having an informal weekly lunchtime meeting for folks learning Python. No program, just come to share questions with each other, show off what you’ve been working on, and discuss. We meet most Fridays at 2 PM (changed from noon!), barring holidays.

For now, PyFri meets online in the “General” voice channel of the PyFri Discord. Once things are back to normal, we’ll return to meeting at the Wright Brothers Institute. Check meetup to make sure we’re meeting on a particular Friday.

Calendar link: https://calendar.google.com/event?action=TEMPLATE&tmeid=NDZzamEwb2lhZzRkYjk0Zml2dDM4cjdwb2kgY2F0aGVyaW5lLmRldmxpbkBt&tmsrc=catherine.devlin%40gmail.com

PyFri notebooks

Some Jupyter notebooks from our Friday sessions are posted at https://github.com/dayton-dynamic/pyfri

Mailing list

We have a mailing list that we use for occasional discussion, but usually just monthly meeting reminders. It’s extremely low traffic and definitely the best way to know what is going on with the group.

Location

New home!

We meet meet on the !2nd Wednesday of every month from 7 to 9 pm at Dayton’s Innovation Hub

All Meetings

Dayton

Dayton is home of the Dayton Microcomputer Association, one of the country’s oldest computer user groups. DMA serves as an umbrella group for a variety of Special Interest Groups like ours - see DMA’s meetup page.

The Dayton Tech Guide has links to a variety of resources in Dayton’s technical community.

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