Postrediori

See also: Build ares emulator on Fedora – a newer emulator based on Higan/bsnes source code.

Introduction

This document describes hot to build higan emulator from a source code on a RedHat-based system (including Fedora and CentOS).

higan is an emulator for a number of classic video-game consoles of the 1980s and 1990s, allowing you to play classic games on a modern general-purpose computer.

Postrediori

" This is for vim, may not be compatible with vi
" Remove ^M characters in Linux with dos2unix:
"   dos2unix .vimrc

" Line numeration
set nu

" Enable syntax highlighting
syntax on

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#!/bin/bash
#
# Download Jupiter/asteroids video and fix Jupiter's rotation
#
# Tweet address with source video:
# https://mobile.twitter.com/AntonioParis/status/994224252961386496
#
# Required utils:
#  * curl
#  * convert

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ffmpeg HowTos

How to downsample 4k to 1080p using ffmpeg while maintaining the quality?

ffmpeg -i orig.mp4 -vf scale=1920:1080 -c:v libx264 -crf 20 -preset slow smaller.mp4

• Source: https://video.stackexchange.com/questions/14907/how-to-downsample-4k-to-1080p-using-ffmpeg-while-maintaining-the-quality

Postrediori

Launch Win32 executables on ARM host with QEMU and Wine

Introduction

This is guide describes the way to run Win32 executable files on ARM host (e.g. tablet) with Ubuntu 18.04 (16.04, 20.04 etc).

Outline

1. Build static qemu-user-i386 on ARM host
2. Type magic strings for Win32 executable file format in binfmts

Postrediori

Introduction

THis is a list of interactive coding tools online.

GLSL-based interactive tools

Shadertoy

• Description: Shader motherlode
• URL: http://shadertoy.com
• Language: GLSL

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/*
  libbase : version 0.09 ~byuu (2007-01-24)
*/

#ifndef __LIBBASE
#define __LIBBASE

#if defined(_MSC_VER)
//disable libc deprecation warnings in MSVC 2k5+
  #pragma warning(disable:4996)

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Description

New EDUP 802.11AC 1200M Dual Band USB wireless adapter does not work in Linux distributions by default. At least the following distributions lack the required kernel module:

• Ubuntu 20.04
• Ubuntu 21.04
• Fedora 34

Solution

Manually build rtl88x2bu module from sources at cilynx/rtl88x2bu

Postrediori

Description

Linux distros don't support newest (May 2021) Rocket Lake GPUs by default. Tested on:

• Fedora 34
• Ubuntu 20.04.2.0
• Ubuntu 21.04

Even if i915 module is loaded (lsmod | grep i915), the graphics is still running in software mode. This issue can be checked in the following ways:

Postrediori

#
# Convert images to video
#
# Example:
#  python video.py -i 8012 -l 8151 -f 30 -t 800x600/IMG_%FRAME_NUM%_result.jpg
#
# ffmpeg command line from: https://github.com/justin-bennington/somewhere-ml/blob/main/S2_GAN_Art_Generator_(VQGAN%2C_CLIP%2C_Guided_Diffusion).ipynb
#

from PIL import Image