Analysing Debian packages with Neo4j

I just finished the presentation at the Neo4j Online Meetup on getting the Debian UDD into a Neo4j graph database. Besides the usual technical quibbles it did work out quite well. The code for pulling the data from the UDD, as well as converting and importing it into Neo4j is available on Github Debian-Graph. The slides are also available on […]

Email this to someonePrint this pageShare on FacebookShare on Google+Tweet about this on TwitterShare on LinkedInFlattr the author

Japanese TeX User Meeting 2017

Last saturday the Japanese TeX User Meeting took place in Fujisawa, Kanagawa. For those who have been at the TUG 2013 in Tokyo you will remember that the Japanese TeX community is quite big and vibrant. On Saturday about 50 users and developers gathered for a set of talks on a variety of topics. The first talk was by Keiichiro […]

Email this to someonePrint this pageShare on FacebookShare on Google+Tweet about this on TwitterShare on LinkedInFlattr the author

Fixing vim in Debian

I was wondering for quite some time why on my server vim behaves so stupid with respect to the mouse: Jumping around, copy and paste wasn’t possible the usual way. All this despite having set mouse= set mouse= in my /etc/vim/vimrc.local. Finally I found out why, thanks to bug #864074 and fixed it. The whole mess comes from the fact […]

Email this to someonePrint this pageShare on FacebookShare on Google+Tweet about this on TwitterShare on LinkedInFlattr the author

ScalaFX: ListView with CellFactory

I had a bit hard time to get ScalaFX to display a list of items in a scrollable space, and each item can be clicked. I use this in TLCockpit to display the list of documentation files in a TeX Live package, and open it directly from the application. Unfortunately there is not a huge amount of examples using ScalaFX […]

Email this to someonePrint this pageShare on FacebookShare on Google+Tweet about this on TwitterShare on LinkedInFlattr the author

Scala: parse JSON into nested case classes

I was playing around with parsing JSON in Scala, and got spray-json as recommendation from my Senpai. My aim was parsing some nested structure like: { "key1" : "value1", "key2" : { "subkey1" : "subval1", "subkey2" : "subval2" } }{ "key1" : "value1", "key2" : { "subkey1" : "subval1", "subkey2" : "subval2" } } into a nested Scala case class: […]

Email this to someonePrint this pageShare on FacebookShare on Google+Tweet about this on TwitterShare on LinkedInFlattr the author

Debian/TeX Live 2017.20170926-1

A full month or more has past since the last upload of TeX Live, so it was high time to prepare a new package. Nothing spectacular here I have to say, two small bugs fixed and the usual long list of updates and new packages. From the new packages I found fontloader-luaotfload and interesting project. Loading fonts via lua code […]

Email this to someonePrint this pageShare on FacebookShare on Google+Tweet about this on TwitterShare on LinkedInFlattr the author

クライミング 明星山の直上ルート

もう三ヶ月前に大久しぶりにマルチピッチクライミングに行った。友人に誘われて、三人で新潟県の明星山の直上ルートを登った。石灰岩のあまりない環境でいつも明星山をたのしみにしてるけど、やっぱりちょっともろい石灰岩もありますよね。基本的にいいルートだけど、部分的にもろい岩で結構やばい感じした。何年間もここに登ってるのに、まだ慣れていないね。 (Short English summary: Climbing the Chokujo (direct) route on Myoji in Niigata. Not the best route on the face, but still not bad. Some loose passages, and in the upper parts a bit unclear route line.)

Email this to someonePrint this pageShare on FacebookShare on Google+Tweet about this on TwitterShare on LinkedInFlattr the author

Gaming: The Long Dark – Wintermute Episode 1

One month ago the Story Mode for The Long Dark has been released. Finally I managed to finish the first of the two chapters, and it was worth the wait. I have played many ours in the Sandbox mode, but while the first days in story mode are like hand-holding kids, on the fifth day you are kicked into a […]

Email this to someonePrint this pageShare on FacebookShare on Google+Tweet about this on TwitterShare on LinkedInFlattr the author

Debian packages as Graph Database

I have been playing around with Neo4j as graph database, and searching for a big dataset I decided to look at Debian packages (source and binary) from stable, testing, sid, and experimental, and represent all of that in a big graph database. While this is far from ready, the following entities and relations a represented: source packages, unversioned and versioned […]

Email this to someonePrint this pageShare on FacebookShare on Google+Tweet about this on TwitterShare on LinkedInFlattr the author

Calibre in Debian

Some news about Calibre in Debian: I have been added to the list of maintainers, thanks Martin, and the recent release of Calibre 3.4 into Debian/unstable brought some fixes concerning the desktop integration. Now I am working on Calibre 3.5. Calibre 3.5 separates out one module, html5-parser, into a separate package which needs to be included into Debian first. I […]

Email this to someonePrint this pageShare on FacebookShare on Google+Tweet about this on TwitterShare on LinkedInFlattr the author

Gaming: The Long Dark

I normally don’t play survival games or walking simulators, but The Long Dark by Hinterland Games, which I purchased back then when it was still in early access on Steam, took me into new realms. You are tossed out into the Canadian wilderness with hardly anything, and your only aim is to survive, find shelter, food, craft tools, hunt for […]

Email this to someonePrint this pageShare on FacebookShare on Google+Tweet about this on TwitterShare on LinkedInFlattr the author

Software Development as mathematician in academia – everyone bites the dust

Is it possible to do software development, mathematical or not, as mathematician in academics? This is a question I was asking myself recently a lot, seeing my own development from logician at a state university getting rid of foreigners to software developer. And then, a friend pointed me to this very depressing document: The origins of SageMath by William Stein, […]

Email this to someonePrint this pageShare on FacebookShare on Google+Tweet about this on TwitterShare on LinkedInFlattr the author

Debian/TeX Live 2017.20170724-1

Yesterday I uploaded the first update of the TeX Live packages in Debian after TeX Live 2017 has entered Debian/unstable. The packages should by now have reached most mirrors. Nothing spectacular here besides a lot of updates and new packages. If I have to pick one update it would be the one of algorithm2e, a package that has seen lots […]

Email this to someonePrint this pageShare on FacebookShare on Google+Tweet about this on TwitterShare on LinkedInFlattr the author