data4sci

sed -i 's/original/new/g' file.txt

data4sci

import sys
!conda install --yes --prefix {sys.prefix} <moduleName>

data4sci

pandoc README.md | lynx -stdin

data4sci

df -hT # vybrat zařízení

sudo dd if=/home/bob/Downloads/Linux_Mint_19_XFCE.iso of=/dev/sd<?> bs=1M status=progress

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# su - postgres
$ psql

# \conninfo
# \list       #seznam databází
# \c dtb_name #připojení k databázi
# \dt         #seznam tabulek
# \d+         #seznam tabulek s velikostí
# select * from table_name;
              #SQL dotaz (zakončený středníkem!)

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pkill -f my_pattern
#nebo
ps -ef | grep 'my_pattern' | grep -v grep | awk '{print $2}' | xargs -r kill -9

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# rename origin
git remote rename origin old-origin
# add new origin
git remote add origin git@xxxxxxxxxxxx.git
# push
git push -u origin --all
git push -u origin --tags

####### nebo #######
git remote set-url origin git@xxxxxxxxxxxx.git #git://new.url.here

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# set custom keymap
setxkbmap cz

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# https://pandas.pydata.org/pandas-docs/stable/user_guide/style.html
# https://towardsdatascience.com/style-pandas-dataframe-like-a-master-6b02bf6468b0
# https://stackoverflow.com/questions/41203959/conditionally-format-python-pandas-cell
# https://stackoverflow.com/questions/38931566/pandas-style-background-gradient-both-rows-and-columns
# https://kanoki.org/2019/01/02/pandas-trick-for-the-day-color-code-columns-rows-cells-of-dataframe/

df.style.background_gradient(cmap='coolwarm')

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# jednotlivé procesy
smem -t -P chromium-browser

# celkový součet
smem -t -k -c pss -P chromium-browser | tail -n 1

# nebo 
ps aux | grep "chromium-browser" | awk '{print $5}' | awk '{sum += $1 } END { print sum }'