Maxzor

echo "Removing containers :" && if [ -n "$(docker container ls -aq)" ]; then docker container stop $(docker container ls -aq); docker container rm $(docker container ls -aq); fi; echo "Removing images :" && if [ -n "$(docker images -aq)" ]; then docker rmi -f $(docker images -aq); fi; echo "Removing volumes :" && if [ -n "$(docker volume ls -q)" ]; then docker volume rm $(docker volume ls -q); fi; echo "Removing networks :" && if [ -n "$(docker network ls | awk '{print $1" "$2}' | grep -v 'ID\|bridge\|host\|none' | awk '{print $1}')" ]; then docker network rm $(docker network ls | awk '{print $1" "$2}' | grep -v 'ID\|bridge\|host\|none' | awk '{print $1}'); fi;

raysan5

CUSTOM GAME ENGINES: A Small Study

A couple of weeks ago I played (and finished) A Plague Tale, a game by Asobo Studio. I was really captivated by the game, not only by the beautiful graphics but also by the story and the locations in the game. I decided to investigate a bit about the game tech and I was surprised to see it was developed with a custom engine by a relatively small studio. I know there are some companies using custom engines but it's very difficult to find a detailed market study with that kind of information curated and updated. So this article.

Nowadays lots of companies choose engines like Unreal or Unity for their games (or that's what lot of people think) because d

robin-a-meade

Unofficial Bash Strict Mode

Sometimes a programming language has a "strict mode" to restrict unsafe constructs. E.g., Perl has use strict, Javascript has "use strict", and Visual Basic has Option Strict. But what about bash? Well, bash doesn't have a strict mode as such, but it does have an unofficial strict mode:

set -euo pipefail

set -e

ayufan

100% brightness - 7W
40% brightness - 4.8W
0% brightness - 3.5W
0% brightness, all cores - 8.5W
100% brightness, all cores - 12.2W
40% brightness, youtube 480p, vp9 - 7.3W
40% brightness, youtube 720p, drop frames, vp9 - 10W
40% brightness, youtube 1080p, choppy, vp9 - 10W
40% brightness, youtube 480p, avc1 - 6.7W
40% brightness, youtube 720p, avc1 - 7W

yisonPylkita

#pragma once
#include <cstdint>

#if !defined(__ORDER_LITTLE_ENDIAN__)
#error "Only little endian systems are supported"
#endif

// All of these functions are constexpr (c++11 compatibile and above)
// Generated code - https://godbolt.org/z/Tz7Wvg
namespace byte_converter {

mjuric

Utilities you'll care about

All these are already installed on epyc.

• kafkacat (conda install -c conda-forge kafkacat)

• kt (grab it from https://github.com/fgeller/kt/releases)

• kafka-* (come with kafka, if you yum install if from Confluent's repo, or via Docker if you're so inclined). Warning -- JVM based and dreadfully slow.

• jq (conda install -c conda-forge jq or use your favorite package manager)

alfredkrohmer

Physical layer

The dongle itself is sending out data using 802.11a (5 GHz WiFi) with OFDM and 6 Mbit/s data rate:

Radiotap Header v0, Length 38
    Header revision: 0
    Header pad: 0
    Header length: 38
    Present flags

kylemanna

README

The example below creates a TCP server listening on a stream (i.e. SOCK_STREAM) socket. A similar approach can be followed to create a UDP server on a datagram (i.e. SOCK_DGRAM) socket. See man systemd.socket for details.

An example server

Create an simple echo server at ~/tmp/foo/serve.py.

jonsuh

# ----------------------------------
# Colors
# ----------------------------------
NOCOLOR='\033[0m'
RED='\033[0;31m'
GREEN='\033[0;32m'
ORANGE='\033[0;33m'
BLUE='\033[0;34m'
PURPLE='\033[0;35m'
CYAN='\033[0;36m'

evanscottgray

docker ps | awk {' print $1 '} | tail -n+2 > tmp.txt; for line in $(cat tmp.txt); do docker kill $line; done; rm tmp.txt