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View step_dual_boot_osx_windows
1. install osx
2. install win 10
3. You will find that windows boot manager will make clover dissapear from bios
4. in Windows terminal, run as admin, Bcdedit /set {bootmgr} path \EFI\BOOT\BOOTX64.efi
5. You now able to boot to clover
samgooi4189 / cytron_esp32_install.txt
Created Oct 8, 2019
Cytron espruino ESP32 installtion
View cytron_esp32_install.txt
1. pip install esptool
2. Download all three files from, which includes bootloader.bin, espruino_esp32.bin, partitions_espruino.bin
3. \
--chip esp32 \
--port /dev/ttyUSB0 \
--baud 115200 \
--after hard_reset write_flash \
-z \
--flash_mode dio \
samgooi4189 / step_to_add_kernel_jupyter
Created Aug 23, 2019
Add custom kernel to jupyter notebook
View step_to_add_kernel_jupyter
Make jupyter notebook to use virtualenv
1. virtualenv ENVNAME
2. source ./ENVNAME/bin/activate
3. pip install ipykernel
4. python -m ipykernel install --user --name ENVNAME --display-name "Python (whatever you want to call it)"
samgooi4189 / ubuntu_desktop_app
Created Aug 22, 2019
Create desktop shortcut for program in Ubuntu
View ubuntu_desktop_app
Create a file ( Desktop File ) with this content:
[Desktop Entry]
Name=Android Studio
Change /PATH/TO/ICON/studio.png and /PATH/TO/ accordingly.
save the file as: android-studio.desktop in /usr/share/applications
import glob
import re
import os
target_directory ="./output"
source_directory = "."
target_filenames = [os.path.basename(x) for x in glob.glob("%s/*.mp4" % target_directory)]
source_filenames = [os.path.basename(x) for x in glob.glob("%s/*.mp4" % source_directory)]
samgooi4189 /
Created Jul 28, 2019
Convert files to mp4 with ffmpeg
import glob
import re
import os
for filename in glob.iglob("*.%s" % EXTENSION):
filename_without_extension ="(.*).%s" % (EXTENSION) , filename).group(1)
if filename_without_extension:
samgooi4189 /
Created Nov 22, 2018
Ubuntu check battery status
upower -i /org/freedesktop/UPower/devices/battery_BAT0
samgooi4189 / gcloudKeyToApp
Created Oct 24, 2018
Adding Google service account key to heroku or your app
View gcloudKeyToApp
set the environment variable to the path of your gcloud service account key:
samgooi4189 / rvm_fix_pgpkey
Created Oct 1, 2018
getting public key from rvm
View rvm_fix_pgpkey
On the official rvm website,
gpg --keyserver hkp:// --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
Sometimes it will fails due to firewall, so you need to add port 80 at the end of url
gpg --keyserver hkp:// --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
samgooi4189 / create_virtualenv_kernel_for_jupyter
Created Sep 28, 2018
Create virtualenv kernel for jupyter notebook
View create_virtualenv_kernel_for_jupyter
python -m ipykernel install --user --name virtenv --display-name "Python (virtuenv)"
virtenv is the virtualenv name that you set for your project
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