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Perl vs career
No comment 😉
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Permission hierarchy for Trac
How to implement a hierarchical permission tree in the project-management tool Trac.
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Unroute a complete PCB in Eagle
Unrouting a complete PCB in Eagle means that all routed tracks on the board are reverted back into so-called ‘airwires’. Airwires are lines that show that there is a connection between 2 points on the board, but that no actual connection is routed yet. Unrouting signals on a board is called ‘ripup’ in Eagle slang.
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Extract and count unique items in a list
Excel easily allows to extract a list of unique items and count them. Handy when you have to extract an order list from a BOM of a PCB for example 😉
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Comparing 2 Modelsim wave traces
Comparing the wave traces of 2 different simulations in Modelsim is quite easy.
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Medical implants vs security
Wow, it seems electronic medical implants still have a long way to go when it comes to device security. This paper describes hacking a pacemaker/defib implant. The authors were able to deliver ‘test defib shocks’ using simple replay attacks of recorded communication sequences between an implant and the commercial programmer.
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Enable tab completion in Windows terminal
To enable tab completion in a command terminal on Windows, perform the following steps: Open regedit (Start->Run->’regedit’) Go to HKEY_LOCAL_MACHINE\Software\Microsoft\Command Processor Set the value for the key CompletionCharacter to 9
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Outlook email blank subject warning
Ever now and so often, it happens that I forget filling in the mail subject when composing an email in Outlook (typically when I have to send a rather important email…). Save yourself the annoyance by following the next steps.
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Writing out a decimal value as a hex string
A function to convert a decimal value to a hex string.
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Automatically mounting USB drives on Mac OS X
When plugging in an external USB drive on Mac OS X, it gets nicely mounted under /Volumes and appears on your desktop. However, since I use my MAC mini as Slimserver machine for my squeezebox, I want this automount also to happen after boot, before a user is logged in. This seems not to be…