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<feed xmlns="http://www.w3.org/2005/Atom"> <id>/</id><title>pemd-sys</title><subtitle>A Technical Blog by pemd-sys.</subtitle> <updated>2024-11-19T20:45:40+00:00</updated> <author> <name>pemd-sys</name> <uri>/</uri> </author><link rel="self" type="application/atom+xml" href="/feed.xml"/><link rel="alternate" type="text/html" hreflang="en" href="/"/> <generator uri="https://jekyllrb.com/" version="4.3.1">Jekyll</generator> <rights> © 2024 pemd-sys </rights> <icon>/assets/img/favicons/favicon.ico</icon> <logo>/assets/img/favicons/favicon-96x96.png</logo> <entry><title>Mathematical Expression Tree in Python</title><link href="/posts/Python-Expression-Trees/" rel="alternate" type="text/html" title="Mathematical Expression Tree in Python" /><published>2024-10-17T01:02:00+01:00</published> <updated>2024-10-17T01:02:00+01:00</updated> <id>/posts/Python-Expression-Trees/</id> <content src="/posts/Python-Expression-Trees/" /> <author> <name>pemd-sys</name> </author> <category term="Python" /> <category term="Coding" /> <category term="Basics" /> <summary> Introduction This page describes a python mathematical expression tree Code # https://www.teach.cs.toronto.edu/~csc148h/notes/trees/expression_trees.html #from __future__ import annotations from typing import Any class Expr: """An abstract class representing a Python expression. """ def evaluate(self) -&amp;gt; Any: """Return the *value* of this expression. The ret... </summary> </entry> <entry><title>Linked List example in Python</title><link href="/posts/Python-linked-list-example/" rel="alternate" type="text/html" title="Linked List example in Python" /><published>2024-10-17T01:02:00+01:00</published> <updated>2024-10-17T01:02:00+01:00</updated> <id>/posts/Python-linked-list-example/</id> <content src="/posts/Python-linked-list-example/" /> <author> <name>pemd-sys</name> </author> <category term="Python" /> <category term="Coding" /> <category term="Basics" /> <summary> Introduction This page describes a python linked list example Code # https://codingnomads.com/how-to-build-linked-lists-in-python class Node: def __init__(self, value=None): self.value = value self.next = None def __repr__(self): return f"Node({self.value})" class LinkedList: def __init__(self): self.head = None self.tail = None ... </summary> </entry> <entry><title>VPN in WSL2</title><link href="/posts/wsl2-vpn/" rel="alternate" type="text/html" title="VPN in WSL2" /><published>2024-07-07T01:20:00+01:00</published> <updated>2024-07-07T01:20:00+01:00</updated> <id>/posts/wsl2-vpn/</id> <content src="/posts/wsl2-vpn/" /> <author> <name>pemd-sys</name> </author> <category term="Electronics" /> <category term="Basics" /> <summary> Introduction This article is guide to using vpn from inside wsl2. The host windows maybe not on VPN. This can be useful sometimes when you are testing networking codes etc. For this article I am using mullvad VPN as I think its the best of the VPNs i have tried so far and the prices are reasonable. Setup Mullvad VPN I will be using the openVPN version of the mullvad installer. First create an... </summary> </entry> <entry><title>Can Bus Communication using Python</title><link href="/posts/Can-Comms-python/" rel="alternate" type="text/html" title="Can Bus Communication using Python" /><published>2024-07-05T01:20:00+01:00</published> <updated>2024-07-05T01:20:00+01:00</updated> <id>/posts/Can-Comms-python/</id> <content src="/posts/Can-Comms-python/" /> <author> <name>pemd-sys</name> </author> <category term="Electronics" /> <category term="Basics" /> <summary> Introduction This article is an installation and use case guide for communicating with can devices using python. For this article I am focussing on using the PCAN-USB usb-to-can hardware, but follow the link to see if your hardware is supported - python-can interfaces. Install free commercial tools and drivers We will first install the peak can drivers and a free software to view the can messa... </summary> </entry> <entry><title>Oscilloscope Passive Probes</title><link href="/posts/Oscilloscope-passive-probes/" rel="alternate" type="text/html" title="Oscilloscope Passive Probes" /><published>2024-06-28T01:20:00+01:00</published> <updated>2024-06-28T01:20:00+01:00</updated> <id>/posts/Oscilloscope-passive-probes/</id> <content src="/posts/Oscilloscope-passive-probes/" /> <author> <name>pemd-sys</name> </author> <category term="Electronics" /> <category term="Basics" /> <summary> Introduction This is blank page. another test </summary> </entry> </feed>