Anatoly Shcherbina nobus-1967

## terminal-commands.md

      
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                bradtraversy
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                Common Terminal Commands
              
          
    Common Terminal Commands

Key Commands & Navigation

Before we look at some common commands, I just want to note a few keyboard commands that are very helpful:

Up Arrow: Will show your last command
Down Arrow: Will show your next command
Tab: Will auto-complete your command
Ctrl + L: Will clear the screen


## python_mysql.py
import mysql.connector
from mysql.connector import errorcode

config = {
    'user': 'root',
    'password': '',
    'host': 'localhost',
    'database': 'acme'
}

## jupyter-lab-icon.md

      
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                egormkn
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                Running JupyterLab as a desktop application on Linux
              
          
    GNOME Desktop icon for Jupyter Lab

Installation


Copy jupyter-lab.desktop to ~/.local/share/applications
Copy jupyter-lab.svg to ~/.local/share/icons
Restart gnome-desktop session (Alt+F2 -> restart)


## python_classes_task.md

      
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                egormkn
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              August 26, 2020 19:39
            
          
    Домашнее задание: Выражения

Разработайте классы Const, Variable, Add, Subtract, Multiply, Divide для вычисления выражений с одной переменной.
Классы должны позволять составлять выражения вида
expr = Subtract(
    Multiply(
        Const(2),
        Variable("x")
	import mysql.connector
	from mysql.connector import errorcode

	config = {
	'user': 'root',
	'password': '',
	'host': 'localhost',
	'database': 'acme'
	}