HKDevTips

In short, use the following command to do the conversion: ffmpeg -i source_file.m4v -filter_complex "[0:v] split [a][b];[a] palettegen [p];[b][p] paletteuse" output_trimmed_enhanced.gif Reference: https://www.bannerbear.com/blog/how-to-make-a-gif-from-a-video-using-ffmpeg/

 To use conda behind firewall, in Windows: 1) Edit the .condarc channels: - defaults proxy_servers:   http: <proxy_host>:8080   https: <proxy_host>:8080 ssl_verify: False NOTE: Beware doing something like this: http: http://proxyhost:8080 https: http://proxyhost:8080 Don't add "http://" above, it's wrong! 2) Using pip (need to trust the hosts) pip install --trusted-host pypi.org --trusted-host pypi.python.org --trusted-host files.pythonhosted.org pandas Some other better methods exist, the above is just one of the options that works.

To bind port 80 for normal user in Linux, use 'authbind' Steps: 1. sudo apt get authbind 2. sudo touch /etc/authbind/byport/80 3. sudo chown user:user /etc/authbind/byport/80 4. chmod 500 /etc/authbind/byport/80 5. authbind --deep <command to run> (e.g. quasar dev)

Just wanna have my script files  (Python script, Shell script)  shows color in ls: LS_COLORS=$LS_COLORS:'*.py=0;94:*.sh=0;94' ; export LS_COLORS 

Linux one-liner to watch and refresh git log every 30 secs: watch --color -n 30 "git fetch; git log origin/master -30 --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit --color=always"

 In you encounter scp problem when doing a recursive copy from Windows to Linux, try adding the -O parameter. scp -r -O sample-files/ target-server:/target-path/

 To run X11 / X-Window application in docker, the following tutorial provides a simple approach to archive it: https://blog.yadutaf.fr/2017/09/10/running-a-graphical-app-in-a-docker-container-on-a-remote-server/

Start QGIS Go to "Settings" > "Options" In Options window, find "System", then "Environment" Add environment variable "GDAL_PAM_ENABLED" with value equals "NO" Restart QGIS Reference:  https://blog.csdn.net/u014311125/article/details/108625203

Working for fanvanzh's 3dtiles Linux compilation for days. Some items for reminding everybody how wants to do the same thing. liwei0705 did a good move in making fanvanzh's 3dtiles converter works. But if you are using a new version of OSG and GDAL, pay attention to the following summarised reminders when building your own version of "_3dtile" Delete 3dtiles/bin, it is for windows only Compile your own OpenSceneGraph Copy OpenSceneGraph /lib to 3dtiles Copy OpenSceneGraph /include/* to 3dtiles/src/osg/* If not compile OpenSceneGraph on your own, you can install "openscenegraph" and "libopenscenegraph-dev" instead Delete /lib in 3dtiles (the /lib is for self-compiled OSG, GDAL actually) Delete 3dtiles/src/osg/ (no need to provide OSG header, use the one in libopenscenegraphi-dev) Install gdal-bin, libgdal-dev rm -rf 3dtiles/src/gdal (we will use libraries and header by gdal-bin and libgdal-dev) Source file: src/tileset.cpp Hide up #ifdef _WIN32 , ...