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

For lighting during video conferences, I made a construction out of baking paper (as a diffuser), a few neodymium magnets for fastening and a Philips Hue LED lamp. The brightness and color temperature can be controlled from the Hue app. pic.twitter.com/SLvBksiCDi

— Jan Zwiener (@jnz_jan) May 2, 2021

Test your adblocker (e.g. Pi-hole) here: https://t.co/IBnG9du9Rx

— Jan Zwiener (@jnz_jan) May 2, 2021

Need to grep something on Windows? Use
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.

— Jan Zwiener (@jnz_jan) April 26, 2021

If you have a Canon DSLR try the webcam utility. The video quality is great, e.g. in Zoom or MS Teams. Link: https://t.co/Xp869lbAP0

— Jan Zwiener (@jnz_jan) April 4, 2021