If you are using @The_Pi_Hole to filter ads in your network, you need a redundant pi-hole setup. Dissimilar hardware at different locations, update the software not on both on the same day (in case the update breaks things). Run DHCP on both in parallel (this works!). pic.twitter.com/VSwbjevy8W— Jan Zwiener (@jnz_jan) June 3, 2021
For embedded software with limited memory a stack overflow is one of the most common error sources. But it is actually possible to analyze the worst-case stack usage of a C program at compile time (https://t.co/aUiI5imcVM) if you don't use things like recursion or C99's VLAs.— Jan Zwiener (@jnz_jan) May 23, 2021
Need to grep something on Windows? Use— Jan Zwiener (@jnz_jan) April 26, 2021
findstr /spin "text" *.cpp
to search for text recursively in all .cpp files. If you arrange the parameters as a "spin", you can easily remember them.
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