scene: Raspberry pie 3B+ camera is official: , , , , : mmal: mmal_vc_port_enable: failed to enable port vc.null_sink:in:0(OPQV): ENOSPC mmal: mmal_port_enable: failed to enable connected port (vc.null_sink:in:0(OPQV))0x16b90b0 (ENOSPC) mmal: mma...
contact with raspberry pie script file for the first time, this is downloaded on github, why report not found s fault? function install_module { -sharp src=$1 mod=$2 if [[ -d var lib dkms $mod $ver $marker ]]; then -sharp rmdi...
openwrt: there is also a 17 lede-17.01.5-brcm2708-bcm2710-rpi-3-ext4-sdcard.img are all stuck here. What s the reason? am I in the wrong place? Light cat-routing-raspberry pie -desktops, etc. ...
when the raspberry pie 3 is plugged into the power supply, only the red light is on, and the CPU temperature is very high, and then plugging in the monitor does not respond, so it cannot enter the system, even if the SD has been rewritten many times. Is ...
if you want to build a gitlab, you don t want to use someone else s server, just like your own. Many great gods on the Internet say they have built it. but I don t know much about this. I m a front-end player. Linux knows and has deployed some web...
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the background is like this. A software bought by the company was installed on xp, but now it has to be migrated to a new server. If there is a problem with the migration, you need to enter the registration code after installation. The company that made...
I m using a method now. can know whether the other person is online, that is, ask whether the other party is still online through ajax + timeout every 30 seconds. update the current timestamp and then use the current time to deduct the update time of...
the code is as follows: <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Swiper demo< title> <!-- Link Swiper s CSS --> <link rel="stylesheet" href...
when a user uses Ctrl+F5 to force a page refresh, the css js html file is reloaded. if the css js html file is not modified, it will take a long time to reload. after looking up the data, you can determine whether the file has been updated by adding...