I got an Android Nexus 7 (2013, Wi-Fi) device a short while ago. I attached
the device to my computer and tried to list the devices with adb
devices command. But, unfortunately, I got the following error message:
$ adb devices
List of devices attached
???????????? no permissions
In the following of …
I used to download the large files with wget because I can simply
resume the download tasks with -c option. This option will check
the size of the output file, and download the rest of the file from the server.
I can even restart the download task with a different …
It's the end of 2014. It has been an amazing year with a lot of astonishing moments!
RISC-V is an instruction set architecture (ISA) released by UC Berkeley. Besides, a high performance, power efficient, and royalty-free open source implementation Rocket Chip is available.
RISC-V was developed by Krste Asanović and David A. Patterson. In their technical report, they claimed that an open instruction set can benefit both …
I have bought a Bluetooth headset recently. After connecting the device, I was quite disappointed with the sound quality. Fortunately, after searching on the web, it seems that I am using the "Telphony Duplex" mode, which has low quality.
Here are the steps to switch to the mode with better …
It has been for a while that my desktop PC was not showing the GRUB2 menu.
Besides, I noticed that there was a warning message during the execution of
update-grub:
Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.
After checking the manual, I …
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