amin jamal includeamin

One-line Tree in Python

Using Python's built-in defaultdict we can easily define a tree data structure:

def tree(): return defaultdict(tree)

That's it!

#/etc/init.d/vboxdrv setup Not Found - VirtualBox Fix!

When setting up Virtual Box I was faced with the immortal error telling me to run sudo /etc/init.d/vboxdrv setup. Simple enough, until you're told it doesn't exist.

Thus began my fight to get it working. The fix is here in the hope that it helps someone else.

To follow this guide you need to have a basic understanding of shell commands. If you don't, then just be careful.

First off I like aptitute so let's install it.

The Best of the Best Practices (BOBP) Guide for Python

A "Best of the Best Practices" (BOBP) guide to developing in Python.

In General

Values

"Build tools for others that you want to be built for you." - Kenneth Reitz
"Simplicity is alway better than functionality." - Pieter Hintjens

Conventional Commit Messages

See how a minor change to your commit message style can make a difference.

Tip

Take a look at git-conventional-commits , a CLI util to ensure these conventions, determine version and generate changelogs

Commit Message Formats

Default

Gitlab MicroK8s CI/CD Integration

Install microk8s

sudo apt-get update
sudo apt-get upgrade -y

sudo snap install microk8s --classic --channel=1.25/stable
sudo microk8s status --wait-ready

Oh my zsh.

Install ZSH.

sudo apt install zsh-autosuggestions zsh-syntax-highlighting zsh

	// Check Iranian National Code Validity - Clojure, C#, F#, Ruby, JavaScript, Dart, Python, Scala, Java 8, PHP, C, Go, Swift, Kotlin, Groovy, Rust, Haskell, Erlang, Elixir, Power Query M Language, VBA, R, Lua, Fortran, Pascal/Delphi, Excel, Stored Procedure / MySQL
	// بررسی صحت کد ملی ایران - کلوژر، سی‌شارپ، اف‌شارپ، روبی، جاوااسکریپت، دارت، پایتون، اسکالا، جاوا ۸، پی‌اچ‌پی، سی، گو، سوئیفت، کاتلین، گرووی، راست، هسکل، ارلنگ، الکسیر، پاورکوئری ام، وی‌بی ای، آر، لوآ، فرترن، پاسکال/دلفی، اکسل، مای‌اس‌کیوال

	// در نسخه‌های قبل یکسان بودن اعداد نا معتبر تشخیص داده می‌شد ولی
	// اعداد یکسان نامعتبر نیست https://web.archive.org/web/20170706081048/http://www.fardanews.com/fa/news/127747/رندترین-شماره-ملی-بلای-جان-صاحبش-شد

	// بعضی از پیاده‌سازی‌ها سریع نیستند، می‌توانید نسخهٔ خود را بر پایهٔ
	// نسخهٔ سی یا گو ایجاد کنید که بهترین سرعت را داشته باشد

	/**

	import sys
	import subprocess
	import re


	def convert_to(folder, source, timeout=None):
	args = [libreoffice_exec(), '--headless', '--convert-to', 'pdf', '--outdir', folder, source]

	process = subprocess.run(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE, timeout=timeout)
	filename = re.search('-> (.*?) using filter', process.stdout.decode())

	"""
	hypercorn main:multi_port -k uvloop -b 127.0.0.1:8000 -b 127.0.0.1:8001
	"""

	from fastapi import FastAPI
	from starlette_exporter import PrometheusMiddleware, handle_metrics

	app = FastAPI()
	app.add_middleware(PrometheusMiddleware)