How do I (properly) invoke a systemd service from udev with an argument?

I’m trying to trigger a systemd service from udev when a USB storage device is inserted, and pass device info (the name) to my service which will feed it to a script. I have created a udev rule(/etc/udev/rules.d/99-foo.rules): ACTION==”add”, KERNEL==”sd?”, SUBSYSTEM==”block”, ENV{ID_BUS}==”usb”, TAG+=”systemd”, PROGRAM=”/bin/systemd-escape -p %k”, ENV{SYSTEMD_WANTS}+=”[email protected]%c.service” My systemd service (/etc/systemd/system/bar.service) is relatively basic: Description=Script…

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Static specialized template members in C++17 – why there is difference between GCC and MSVC?

My question is about template static members not about template static functions. Prior to C++17, when building with GCC and having includes in several CPP files, to avoid “multiple definitions” linker errors of static specialized template members similarly to static functions, they have to be either defined as inline or defined in CPP files (see…

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