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Re: How to format strings in Python

name = "John" age = 30 # f-strings (Python 3.6+, recommended) message = f"Hello, {name}. You are {age}." # format() …

Re: How to send emails in Django

Configure email settings # settings.py EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend' EMAIL_HOST = 'smtp.gmail.com' EMAIL_PORT = 587 EMAIL_USE_TLS = True EMAIL_HOST_USER = 'your-email@gmail.com' …

Re: How to work with environment variables in Python

Reading environment variables import os # Get with default value database_url = os.getenv('DATABASE_URL', 'sqlite:///db.sqlite3') # Get (raises KeyError if not …

Re: How to change hostname on Linux

Change hostname # View current hostname hostname hostnamectl # Change hostname (systemd) sudo hostnamectl set-hostname new-hostname # Edit hosts file …

Re: How to add swap space on Linux

Create swap file # Create 4GB swap file sudo fallocate -l 4G /swapfile # Or using dd sudo dd if=/dev/zero …