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πp-v2, the new Plan 9 file protocol
The symbol is Pi. I point that out since it doesn’t render very nicely in my web browser. The URL for the paper is: http://proness.kix.in/misc/%CF%80p-v2.pdf Yes, they stuck the symbol into the file name as well. Plan9 people seem to like to do such things just because they invented UTF-8 and were the first to…
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Eken M001, Upgrade Follow Up
Installation Today, I tried upgrading to a newer SlateDroid than what came on the device. BTW, a small tip for use on Ubuntu: sudo apt-get install p7zip p7zip-full p7zip-rar Find the new firmware at: http://www.slatedroid.com/downloads.php?do=file&id=99 Stupidly, to get the download link, you must create an account on the SlateDroid forums to do so. Did I…
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Eken M001, Android Tablet
I recently purchased an Eken M001, one of the cheap android tablets that you can find on eBay. There are a lot of the super cheap tablets using Via WonderMedia chips. Based on online specs, the biggest differentiator between different models is whether it has 128 or 256 megs of RAM. It is possible that…
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Handy emacs printing trick
emacs -nw myfile.c -e “ps-print-buffer” -e “save-buffers-kill-terminal” By extension, you can keep stacking -e’s with interactive functions that take no arguments for as many commands as you want. I would imagine there is a way to pass arguments to the functions you list, but I haven’t found that yet. Also, it might be nice to…
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David in hat
David has a new hat to wear to his grandparents.
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A new thermometer
I don’t know where I got the idea from, but I’ve long thought that knowing how hot a pan is would be tremendously handy. And of course, the obvious way to measure surface temperature is with an infrared thermometer. So, I went and got a Ryobi IR001 Non-contact Infrared Thermometer (with Laser) from Amazon (see…
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Small revisit of C++ message passing (in a threaded program)
The post C/C++ Message Passing from June ’08 is one or the more popular ones, if Google Analytics is to be believed. Not only that, but every one who arrived there by Google search was looking for C++, not C. Upon re-reading it, it occurs to me that it would be a good candidate for…
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Oops
All the pictures in old entries are missing, and it seems that it is because a pictures folder was removed. Now looking for a backup. And this time perhaps I should let WordPress keep track of them instead of making my own image folder. And now it should be fixed, so please let me know…
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Circular buffers as C Macros
I was recently reviewing some FIFO based serial TX/RX circular buffer code that I thought was buggy in the FIFO part. Since the FIFO was entwined with the ISRs, it was hard to test in isolation. I looked around at some other FIFO implementations for PIC and AVR, and all of them did the same thing, including…