A look at the pastry distributed hashtable
18 mins
This blog post takes a look at the pastry distributed hashtable. This is a hashtable that allows resilient and scaling distributed key value stores and that can be used to build a variety of applications on top.
Some Gaussian integrals in 1 dimension
15 mins
Short summary of various commonly used Gaussian integrals (1 dimensional) most of the time not shown in school textbooks.
Cheap spectrum analyzer protocol
5 mins
This blog post describes the protocol used by many currently sold cheap spectrum analyzer boards as far as I've been able to gather information.
Comparison of generic data serialization methods
18 mins
A summary and short comparison of various generic (non application specific) data serialization techniques and formats
LoRA WAN device activation (OTAA and ABP)
9 mins
Minimal description of the two possible activation procedures of LoRA WAN device activation and the meaning of device activation for the network. This article has been written since the difference between OTAA and ABP as well as the reasoning seems to be a problem for some developers.
Simple XML serialization and deserialization in C#
7 mins
Since a student of mine struggled realizing simple structured serialization and deserialization to and from XML in C# I decided to put together a small tutorial.
LoRA WAN stuff often not seen
13 mins
A short summary of LoRA WAN stuff that's often not seen by device and application manufacturers and developers. This blog post tries to give a short overview of network behavior and internals.
Recovering MySQL or MariaDB database via dump and restore
8 mins
This blog post summarizes the steps for disaster recovery on MariaDB or MySQL in case the database system doesn't start up any more or contains damaged table definitions which might even prevent one from dropping tablespaces or databases.
A simple home-built epoxy counter-top
12 mins
Short blog post about the casting of a simple epoxy countertop with embedded sink.
How stuff works - Line power distribution and protective measures in Europe (consumer side)
20 mins
Since it seems to be a huge mystery to many people this blog post tries to summarize some of the parts relevant to the consumer side of power grid systems.
