Nach einer neuerlichen Umstellung des Onlinebankings hatte ich nach über einem Jahrzehnt reibungslosen Ablaufs Probleme die HBCI-Verbindung neu einzurichten.

Es stellte sich heraus, daß man entgegen der Empfehlung der Bank sowohl den Benutzernamen als auch die Kundennummer angeben mußte. Letztere mußte dabei einem bestimmten Format genügen (siehe unten):

A simple shell script that jumps into a given directory (or a default one) and updates all git repos in there. Additionally it checks if an upstream remote exists. If that is the case it fetches the upstream changes.

From time to time you have to update your SSL keys and certificates. In some cases you may have a mixed infrastructure e.g. “normal” http servers and tomcat or other java based servers. In the latter case you’ll have to import your shiny new certificate and key into your java keystore.

After upgrading my chrome port on FreeBSD 9.3 I got the following error message when I tried to start chrome:

I needed not to chain promises but to resolve a whole bunch of them together. The documentation was sparse so it took me a while to stumble upon the solution (Ember.RSVP.all). In case you need something like that here it is.

If you try to install the nokogiri gem on freebsd you may get the following error message:

If you spin up a 32bit guest system within vagrant using the virtualbox provider, setting the number of cpus is not enough. Meaning that the following won’t do:

If you’re on a java project then you’ll very likely use maven.

Outdated dependencies can simply be shown via the following command:

Testing links in wicket is usually done like this tester.clickLink("wicketContainerId:linkId").

If you’re not using gnome or xfce but have some gtk apps installed then you could always set your theme preferences via ~/.gtkrc-2.0 like this:

Like the cd - command git also has a shortcut to checkout the last branch. git checkout - switches to the last checked out branch.