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@shamil
shamil / mount_qcow2.md
Last active May 13, 2024 18:58
How to mount a qcow2 disk image

How to mount a qcow2 disk image

This is a quick guide to mounting a qcow2 disk images on your host server. This is useful to reset passwords, edit files, or recover something without the virtual machine running.

Step 1 - Enable NBD on the Host

modprobe nbd max_part=8
@mohanpedala
mohanpedala / bash_strict_mode.md
Last active May 13, 2024 18:55
set -e, -u, -o, -x pipefail explanation
@rjames86
rjames86 / My Exiftool Cheatsheet.md
Last active May 13, 2024 18:53

Last updated: 2017-03-18

Searching for Files

Find images in a directory that don't have a DateTimeOriginal

exiftool -filename -filemodifydate -createdate -r -if '(not $datetimeoriginal) and $filetype eq "JPEG"' .

###Output photos that don't have datetimeoriginal to a CSV### Note this can take a long time if you have a lot of jpgs

@rphlmr
rphlmr / clear-db.ts
Last active May 13, 2024 18:51
Drizzle snippets
// Credits to Louistiti from Drizzle Discord: https://discord.com/channels/1043890932593987624/1130802621750448160/1143083373535973406
import { sql } from "drizzle-orm";
const clearDb = async (): Promise<void> => {
const query = sql<string>`SELECT table_name
FROM information_schema.tables
WHERE table_schema = 'public'
AND table_type = 'BASE TABLE';
`;
@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
@niespodd
niespodd / limit_chromium_fps.patch
Last active May 13, 2024 18:48
Chromium patch to reduce CPU load on Swiftshader no-headless
/**
ref: https://cs.chromium.org/chromium/src/components/viz/common/frame_sinks/begin_frame_args.h?q=60hz&dr=C&l=11
The original 16666 corresponds to 60 Hz/FPS: (1 / 60) * 10^6 = 16666μs
**/
diff --git a/components/viz/common/frame_sinks/begin_frame_args.h b/components/viz/common/frame_sinks/begin_frame_args.h
index c4d0e29c7d65..a39ede9849c6 100644
--- a/components/viz/common/frame_sinks/begin_frame_args.h
+++ b/components/viz/common/frame_sinks/begin_frame_args.h
@@ -91,7 +91,8 @@ struct VIZ_COMMON_EXPORT BeginFrameArgs {
@Moe-Baker
Moe-Baker / UDictionary.cs
Last active May 13, 2024 18:48
using System;
using System.IO;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.AI;
@rsms
rsms / macos-distribution.md
Created May 13, 2024 18:27
macOS distribution — code signing, notarization, quarantine, distribution vehicles