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Thomas Klausner domm

Just in case you like to know, I'm currently spending my time as a father of 2 grown-up sons, Perl hacker who is not afraid to touch other tech, sort-of DJ, bicyclist, cook & taker-of-pictures - while being 40+ years old but too lazy to update my profile once a year.

I'm also head of Vienna.pm, member of the TPF Grants Commitee and the YAPC Europe Foundation and previous maintainer of the CPANTS project.

I've got stuff on CPAN, held various talks and organise the Austrian Perl Workshops and YAPC::Europe 2007.

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28.06.2020: Perl Conference in the Cloud report

This week there should have been the yearly Perl Conference aka YAPC::NA, but thanks to Corona we instead had the Perl Conference in the Cloud. The upside to this was that I could attend, as usually I don't travel to North America for one conference. The team went through a lot of work to prepare the needed infrastructure, and though I personally
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Picture of the Day: First load-test for new bike trailer

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25.06.2020: Writing a good Dockerfile for a (Perl) app

Most intros to Docker only show overly simplified Dockerfiles. In this talk I show various ways you can improve Dockerfiles to generate better (smaller) containers. I use Net::Matrix::Webhook as an example, showing some ways bring container size down to 25% of what a “default” Dockerfile would produce. Slides: Updated English slides for Perl ...
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18.06.2020: How to reclaim disk space used by docker (volumes), but keep a few important ones

Docker is a nice tool, but it's quite the disk hog. On my laptop, it takes up 50G. It would take more, but my /var partition is limited to 60G (and the rest is already used by various postgres DBs...). So I learned quite early to run docker system prune from time to time (or every time docker complains that there is no space left, or a project ...
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29.03.2020: Perl Virtual Events?

As you probably all know, the Perl and Raku Conference in Amsterdam has been canceled. As has been the Perl Conference in Houston. On the upside, Todd Rinaldo et.al. have already started a Conference in the Cloud. One idea was to run this "Conference in the Cloud" as a global event, hopefully spanning all time zones. If you want to help ...
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29.03.2020: A very late German Perl Workshop 2020 report

"A long time ago, in a venue far, far away"0 we met for the German Perl Workshop 2020 in Erlangen. Besides the usual benefits of meeting old and new friends (face to face!) and talking about Perl, computers and lots of other stuff, the workshop also features a lot of interesting talks and very professional video recording setup. So if you're ...
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things I never wanted to learn #232: PostgreSQL 'concat' and '||' behave differently on NULL: SELECT concat(NULL,'foo'), NULL || 'foo';
23.06.2020 12:22:36

a = 11nⁿ where n ∈ ℕ and 11 < a < 150
26.02.2020 20:00:00

Just released https://metacpan.org/release/DOMM/App-TimeTracker-Command-Billing-1.000 - a new TimeTracker plugin to add 'billing points' to tasks: tracker start --issue 123 --billing 2019/Q4
11.12.2019 19:43:00

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New Vinyl
Martin Spengler und die foischn Wiener - es konnt oba ois gaunz aundas sein
Sigrid Horn - I bleib do
Der Nino aus Wien - Ocker Mond
Das trojanische Pferd - Gunst
5/8 in Ehrn - yeah yeah yeah
pauT - welTraumkaTzen

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