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Arul Selvam SelvamArul

  • Universität Bonn
  • Bonn, Germany
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@gsf
gsf / ubu-on-mac.md
Last active June 20, 2024 11:23
Ubuntu VM on macOS with QEMU

Ubuntu VM on macOS with QEMU

For work I have an Intel Core i5 MacBook. With the Docker Desktop license changes I looked into minikube and Multipass but both failed when I got on our VPN with Cisco AnyConnect due to bridged networking in hyperkit (see links at bottom).

I realized I would be happy SSHing into a local Linux VM but passed on VirtualBox to avoid depending on legacy system extensions. I landed on libvirt for the VM, then realized I could remove libvirt from the equation to finally end up at this quick, simple setup for an Ubuntu VM on macOS with QEMU.

First, install QEMU (see https://wiki.qemu.org/Hosts/Mac for other o

@Flunzmas
Flunzmas / dual_quaternion_distance.py
Created October 11, 2021 08:57
Differentiable dual quaternion distance metric in PyTorch
import math
import torch
"""
Differentiable dual quaternion distance metric in PyTorch.
Acknowledgements:
- Function q_mul(): https://github.com/facebookresearch/QuaterNet/blob/main/common/quaternion.py
- Other functions related to quaternions: re-implementations based on pip package "pyquaternion"
- Functions related to dual quaternions: re-implementations based on pip package "dual_quaternions"
"""
Copyright (c) 2019, NVIDIA CORPORATION. All rights reserved.
NVIDIA CORPORATION and its licensors retain all intellectual property
and proprietary rights in and to this software, related documentation
and any modifications thereto. Any use, reproduction, disclosure or
distribution of this software and related documentation without an express
license agreement from NVIDIA CORPORATION is strictly prohibited.
@andrebq
andrebq / braking.md
Created March 20, 2019 09:08
Fahrschule

Braking

Standard Braking Distance

  • DE: (Geschwindigkeit / 10) * (Geschwindigkeit / 10)
  • EN: (Speed / 10) * (Speed / 10)

Evasive (Emergency) Braking Distance

  • DE: ((Geschwindigkeit / 10) * (Geschwindigkeit / 10)) / 2
  • EN: ((Speed / 10) * (Speed / 10)) / 2
@StefanFabian
StefanFabian / .anaconda_with_ros_wrapper.bash
Last active March 7, 2023 16:49
Bash script to use Anaconda with ROS
### This script wraps all executables in the anaconda bin folder so that they can be used without adding Anaconda
### to the path which would break some functionality of ROS (Robot Operating System)
###
### The commands e.g. jupyter notebook will cause the script to add anaconda to the path, start jupyter notebook
### and after jupyter notebook terminated remove anaconda from the path again
###
### Notable commands:
### * release-the-snake Adds conda to the path and removes all aliases defined by this script
### Conda will stay in the PATH until the end of the session (terminal is closed) or
### until "cage-the-snake" is called
@karpathy
karpathy / pg-pong.py
Created May 30, 2016 22:50
Training a Neural Network ATARI Pong agent with Policy Gradients from raw pixels
""" Trains an agent with (stochastic) Policy Gradients on Pong. Uses OpenAI Gym. """
import numpy as np
import cPickle as pickle
import gym
# hyperparameters
H = 200 # number of hidden layer neurons
batch_size = 10 # every how many episodes to do a param update?
learning_rate = 1e-4
gamma = 0.99 # discount factor for reward
@wpscholar
wpscholar / vagrant-cheat-sheet.md
Last active July 2, 2024 09:21
Vagrant Cheat Sheet

Typing vagrant from the command line will display a list of all available commands.

Be sure that you are in the same directory as the Vagrantfile when running these commands!

Creating a VM

  • vagrant init -- Initialize Vagrant with a Vagrantfile and ./.vagrant directory, using no specified base image. Before you can do vagrant up, you'll need to specify a base image in the Vagrantfile.
  • vagrant init <boxpath> -- Initialize Vagrant with a specific box. To find a box, go to the public Vagrant box catalog. When you find one you like, just replace it's name with boxpath. For example, vagrant init ubuntu/trusty64.

Starting a VM

  • vagrant up -- starts vagrant environment (also provisions only on the FIRST vagrant up)
@vratiu
vratiu / .bash_aliases
Last active June 26, 2024 08:15
Git shell coloring
# Customize BASH PS1 prompt to show current GIT repository and branch.
# by Mike Stewart - http://MediaDoneRight.com
# SETUP CONSTANTS
# Bunch-o-predefined colors. Makes reading code easier than escape sequences.
# I don't remember where I found this. o_O
# Reset
Color_Off="\[\033[0m\]" # Text Reset