• PyCharm mag nicht updaten

    Ich benutze PyCharm, eine Entwicklungsumgebung für Python. Der Paket-Manager von Solus reicht Updates mit einiger Verzögerung weiter und kann keine Delta-Updates. Darum freue ich mich, wenn hin und wieder innerhalb von PyCharm eine Update-Meldung ...

  • Strg+Alt+F12

    Es gibt so Tage, an denen ich an Linux verzweifele. Erstmal. Danach ärgere ich mich über mich selbst. Heute wollte ich auf meinem Rechner alle Fenster minimieren. Das geht mit Strg+F12. Im Eifer drücke ich stattdessen Strg+Alt+F12 und schwupps ist...

  • Mein rätselhaftes WLAN-Roaming

    Bis vor kurzem habe ich auf einem MacBook mit OS X/macOS gearbeitet, jetzt benutze ich ein Zenbook von Asus mit Ubuntu Budgie 17.04. Das funktioniert eigentlich ganz ordentlich, ohne dass ich bislang größere Dinge anpassen musste. Eine Sache treib...

  • The 11 Cases of Jane Tennison

    It is 25 years now that London-based police detective Jane Tennison first appeared on the TV screen in April 1991. The British TV series Prime Suspect was a huge hit then and the following years until its final episode in 2006. I remember watching...

  • The Strange Case of the OS X System Preferences Window Width

    The OS X System Preferences app is something like a wrapper app. In itself, it doesn’t do more than to present all installed system preference panes and these panes then allow you to configure your OS X installation. In addition to system-provided...

  • Adobe Flash Player OS X Update Script

    Perhaps the Adobe Flash Player will not be around anymore in a few years. Until then, some of us are still using it, people like me. I don’t fancy the update mechanisms it offers, though, neither automatic updates nor the annoying pop-up thing.

    There has been some Bash code around since a long time on how to update the Adobe Flash Player from the OS X command line. I have taken some of it and adapted it to current OS X El Capitan. When called, it will check if an update is available and, if it is, install it.

  • HTTPS-Only

    This blog is now being served via https-only. If you’re still not using https: It’s really easy to switch and you don’t need to buy a certificate anymore. Using Let’s Encrypt, this is what I typed on my server (aside from a few additional “yes” and <Enter>):

    git clone https://github.com/certbot/certbot
    cd certbot
    ./certbot-auto –apache

    That’s all. Blog up and running. Do it!

  • EURO 2016: Laws of the Game

    Until today, I didn’t know about the International Football Association Board, which is the non-governmental organisation that is responsible for maintaining the official global football rules (the “Laws of the Game”). I also didn’t know that this organisation has exactly five members – of course the FIFA, but also the [English] Football Association, the Scottish Football Association, the Football Association of Wales and the [Northern] Irish Football Association.

    You should read the Laws of the Game. They’re not only very informative, but at times also funny. Would you have known about this clause from Law 17 (“The Corner Kick”):

    A goal may be scored directly form a corner kick, but only against the opposing team

    They wouldn’t have created such a rule if this didn’t happen at some time in the past, though I honestly can’t imagine how it should be possible to kick an own goal from a corner kick.

  • The Panini Formulas

    The Panini sticker book for the upcoming UEFA Euro 2016 football tournament features 680 stickers this time. We can calculate how many sticker we need to buy to fill the album by using the amazing (due to its relationship to music and architecture) harmonic series formula:

    Formula 1

    Buying 4829 stickers, it will give me 4149 stickers to swap, assuming that stickers are evenly distributed. If we take into account that stickers are not sold separately but in packs of 5 stickers, the result is slightly different.

    Having bought my first 160 stickers today, I have 3.3% of these already, caught in the coupon collector’s problem. We can calculate the probable duplicates I will have from these 160 stickers by:

    Formula 2

    and I ended up with 17 duplicates, which is nearby.

  • Wikipedia is About Lists

    US-American artist Micheal Mandiberg has processed all German Wikipedia entries into books and finished his project with 3.406 books. I didn’t expect that almost 9% of the German Wikipedia consists of lists, equivalent to 273 books:

    Besonders viel Platz nehmen Listen ein: 273 Bände sind nur mit Aufzählungen gefüllt. Listen von Komponisten, von Städten, von Brücken, von Kulturdenkmälern.

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