In Deutschland ist das SEPA Lastschriftverfahren noch sehr beliebt und Verbreitet. Doch wie kann ich SEPA als Online Shop Besitzer nutzen und Geld der Kunden einziehen. 1. Die Glaeubiger Identifikationsnummer (engl. Creditor Identifier): Zu aller erst benoetigst du eine Glaeubiger Identifikationsnummer. Diese kannst du ganz einfach in wenigen Minuten Online beantragen. Fuelle dazu das Formular zur Beantragung […]
A widely discoussed problem on StackOverflow is how one gets the raw string from the respone of a Retrofit 2 request. The Approache with intercepting or using the enqueue() function does not work really well. Once the Reponse is created for the first time the enqueue function will throw an error that it can not […]
This code snipped shows you how can you can replace field with a custom serializer. This might be helpful if you want to modify or ignore certain fields. private class CustomValueSerializer extends StdSerializer<WebTemplateResource> { private final String url; public CustomValueSerializer(String url) { super(WebTemplateResource.class); this.url = url; } @Override public void serialize(WebTemplateResource res, JsonGenerator jgen, SerializerProvider […]
Nur zur Erinnerung. Ab jetzt ist der Pi Zero W mit WLAN und BLE zum Kauf erhältlich. https://shop.pimoroni.com/products/raspberry-pi-zero-w In der Regel sind diese schnell ausverkauft. Also haltet euch ran. Features BCM 2835 SOC @ 1GHz 1GHz 512MB of RAM On-board Wireless LAN – 2.4 GHz 802.11 b/g/n (BCM43438) On-board Bluetooth 4.1 + HS Low-energy (BLE) […]
Strangely, it is still fairly complicated to transfer data from the smartphone to the computer. There are cloud solutions and bluetooth but thats still complicated or slow. But my friend and ex-colleague and me just release a first version of NetCatdroid. NetCatdroid is a netcat client for Android which allows you to transfer multiple files […]
Recently one of my accounts was hijacked. I was hacked. For the first time in my life. The first thing I did was changing all passwords and keys. But still I felt not save enough. For external accounts I can not do much but for my remotely acceptable computer I could (e.g. Allow Only public-key auth). […]
In early 2016, we created a indoor positioning prototype for tracking stuff in a retail market. The Devices, that we used for it, were – of course – Raspberry Pis. But we needed about 100 of them. Here you can see, how we assembled them recorded in time lapse. Round 1: Called the Raspberry Pi Challenge: […]
I am using Raspberry Pi’s since the first generation and I use them a lot. Over the time I collected a few snippets that I find really useful and want to same them with you. Turn off display programmatically I’ve got a Magic Mirror and by default its screen would be always on. Thats […]
Seit dem Film Space Odyssey (Odyssee im Weltraum) und dem HAL9000 sind wohl viele von uns begeistert von dem Gedanken eine Unterhaltung mit einem Computer zu führen, ihm Fragen zu stellen und Informationen zu bekommen. Genau diese Voice Services sind zur Zeit auf dem Vormarsch. Amazon’s Alexa, Google Home, ivee oder Cubic. Dies öffnet eine […]
Version CPU RAM BUS USB Preis Raspberry Pi 700 MHz ARMv6 Single Core 512 MB SDRAM 400 MHz 2 25 Euro Raspberry Pi 2 900 MHz ARMv7 Quad Core 1 GB DDR2 450 MHz 4 35 Euro Raspberry Pi 3 1.2 GHz ARMv8 Quad Core 1 GB DDR2 450 MHz 4 35 Euro Raspberry Pi […]