Monthly Archives: November 2013

Linux Swappiness

I finally got sick of linux (Ubuntu and Centos to be more precise) swapping all the time when I have 8GB and 16GB of memory in the two machines I use all the time.  So I decided that it was

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Theoretical maximum data rate possible for LiFi implemented with webcams

Background If you do a quick search you can quickly find more than two million articles about LiFi. ┬áRecent articles I’ve seen have talked about obtaining data transfer rates of GB/s. What I became interested in was whether I could

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When (as in temporally) does the vtable get set up?

TL;DR At least for g++, as part of each constructor call. As a derived class object is instantiated the vtable pointer will be updated at each constructor called. The Zero class One of the common jobs you have to do

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