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One of my client uses google apps, so I use that account to send out mails with Django, which works just fine. However, google silently drops all error mails to the admins, for whatever reason you can't debug and will never hear anything about anyway. As those mails only go … more

Iceland Django was always great for developers out of the box, but creating friendly admin interfaces was always a little too much work. This post explains why I now consider using Wagtail to make this task easier. more

I have used this script to export all private keys in a wallet. The blockchain does not have to be synced, but the wallet obviously has to be unlocked (with walletpassphrase). No warranty. more

CSS-only Terminal

2014-11-29

Recently I wanted to nicely format some code, so I made a CSS-only terminal. The reason I think this one is nice is that it doesn't require any superfluous or non-semantic markup. It is very lightweight, which is good, but wasn't made to be interactive. It doesn't mimic any particular … more

I received an emergency call from a client, his WordPress site didn't work. None of the logins either. Well, here's another script to the rescue if all you have left is an ftp login or some other way to upload files. It will create a new admin user with the … more

The pepperflashplugin-nonfree package in wheezy-backports is broken, as it downloads the flash plugin from the latest chrome release and installs it. The latest release links against libc6 2.14 which is not available in wheezy. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=761184 https://lists.debian.org/debian-backports/2014/09/msg00051.html more

This was quite easy, but I had to find the necessary bits of information first. I wanted to set the Gnome 3 background to a gradient, from the command line. Below I also list the commands that let you explore available keys and values. more

Android, nomedia and the audio library

2014-05-28

I recently bought a new Android Phone with KitKat. This is the first time I'm using Android for more than simple phone calls and the occasional route planning. It's a quite decent OS. However, one thing that happened to me was a usability nightmare. I use the phone to listen … more

Migrating Django projects with fixtures

2014-05-07

When migrating a Django project it's often useful to work with the built-in dumpdata and loaddata management commands. However, this can easily lead to errors like django.db.utils.IntegrityError: Problem installing fixture Could not load foo.Bar(pk=ba): (1062, "Duplicate entry for key 'app_label'"). Such errors indictate that a similar object already exists in … more

RuntimeError: App registry isn't ready yet

2014-04-13

The upcoming Django 1.7 has many interesting and welcomed changes. One of them is an update to how applications are loaded. The relase notes also mention potential problems with these changes. I ran into RuntimeError: App registry isn't ready yet while using the self-contained tests approach, but the fix is … more

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