gnome online accounts google black

 cf: https://askubuntu.com/questions/1424005/pop-up-window-goes-blank-when-adding-google-account-in-gnome-control-center

Run the command to access google accound:

WEBKIT_DISABLE_COMPOSITING_MODE=1 MESA_LOADER_DRIVER_OVERRIDE=zink gnome-control-center online-accounts 

Batch bulk delete google calendar

 https://www.youtube.com/watch?v=hJdGBmHDafA

In short:

1. Select calendar, say NFL2025-26, 設定與共用->匯出日曆, say. kpchiaoo@gmail.com.ical.zip
2. Unzip kpchiaoo@gmail.com.ical.zip, and get NFL2025-xxxx.ics
3. Edit NFL2025-xxxx.ics, Replace all
   "STATUS:CONFIRMED"
   to
   "STATUS:CANCELLED"
4. Save it as NFL2025-xxxx-calcelled.ics
5. Then import NFL2025-xxxx-calcelled.ics back to google calendar, NFL2025-26
6. Done 

 

Spyder 輸入中文

ln -s /usr/lib/x86_64-linux-gnu/qt5/plugins/platforminputcontexts/libfcitxplatforminputcontextplugin.so ~/anaconda3/plugins/platforminputcontexts/

Split youtube into chapters

yt-dlp -f 234+602 --split-chapters --yes-playlist https://www.youtube.com/watch?v=p6sGUJUwQp0&t=563s

 

 

Graphviz dot kernel

 cf: https://github.com/laixintao/jupyter-dot-kernel

1. chiao@kpchiao9600k-2204:~$ . .bashrc_anaconda
2. (base) chiao@kpchiao9600k-2204:~$ pip install dot_kernel
   
3. (base) chiao@kpchiao9600k-2204:~$ install-dot-kernel
4. Done.
5. In jupyter lab, open with dot kernel: Launcher -> Dot
6. Edit the dot source in code cell and run.
7. Shift right click mouse on image (Yes! need to press Shift key!). 
8. Select "另存圖片" or "在新分頁中開啟圖片" 

Open in LibreOffice Draw:

1. Export dot as svg, say a.svg by
   dot -Tsvg -o a.svg a.dot
   
2. Insert image a.svg in draw
3. Right click the image, and select 斷開
4. All objects can be edited now
   

build libpng12

cf: https://askubuntu.com/questions/1404213/install-libpng12-on-ubuntu-22-04


wget https://ppa.launchpadcontent.net/linuxuprising/libpng12/ubuntu/pool/main/libp/libpng/libpng_1.2.54.orig.tar.xz

tar Jxfv libpng_1.2.54.orig.tar.xz

Error upgrading grub-efi-amd64-signed - special device /dev/disk/by-id/nvme-eui.c7e3135c7db8d2da000c296477f694c3-part1 does not exist

 cf: https://askubuntu.com/questions/1276111/error-upgrading-grub-efi-amd64-signed-special-device-old-ssd-does-not-exist

sudo mv /var/cache/debconf/config.dat /var/cache/debconf/config_orig.dat 

sudo apt upgrade  

yt-dlp process

1.  List formats:
   yt-dlp -F <url>
   ID      EXT   RESOLUTION FPS CH │   FILESIZE    TBR PROTO │ VCODEC           VBR ACODEC      ABR ASR MORE INFO
   ...
   244     webm  854x480     30    │  268.65MiB   891k https │ vp9             891k video only          480p, webm_dash
   136     mp4   1280x720    30    │  695.07MiB  2304k https │ avc1.4d401f    2304k video only          720p, mp4_dash
   247     webm  1280x720    30    │  666.19MiB  2208k https │ vp9            2208k video only          720p, webm_dash
   311     mp4   1280x720    60    │ ~  1.12GiB  3800k m3u8  │ avc1.4D4020    3800k video only
   ...
   
2. Download the desired format: e.g. ID:136
   yt-dlp -f 136 <url>
   
3. Done
4. "-------------------------------------------------------------------------------"
   echo "If get the message HTTP:403 Forbidden"
   echo "update yt-dlp by running:"
   echo "sudo yt-dlp -U"
   echo "2025-02-07, Chiao"
   echo "-------------------------------------------------------------------------------"