Marius Ileana dxps

What do Etcd, Consul, and Zookeeper do?
- Service Registration:
  - Host, port number, and sometimes authentication credentials, protocols, versions numbers, and/or environment details.
- Service Discovery:
  - Ability for client application to query the central registry to learn of service location.
- Consistent and durable general-purpose K/V store across distributed system.
  - Some solutions support this better than others.
  - Based on Paxos or some derivative (i.e. Raft) algorithm to quickly converge to a consistent state.
Centralized locking can be based on this K/V store.

ZorinOS 15.3 Education Lite on Dell XPS 8930 with nVidia GeForce GTX 1080

This edition comes with the nice and lightweight XFCE desktop environment.
I just wanted to test the live version of it, to see how it behaves with the GeForce graphics cards that comes with this system.

zorin@zorin:~/.themes/ZorinGreen-Dark_alt$ uname -a
Linux zorin 5.4.0-45-generic #49~18.04.2-Ubuntu SMP Wed Aug 26 16:29:02 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
zorin@zorin:~/.themes/ZorinGreen-Dark_alt$

Programming Media Keys on the Ducky One 2 Skyline

To use media keys on the Ducky One 2 Skyline, you must record a macro to bind the media function to a hotkey combination, i.e. Fn plus some key.

Example

Important: In the instructions below, "Press X+Y+Z" means press and hold key X, press and hold key Y, press and hold key Z in that order, and then release all three.

As an example, to bind Fn+PgUp to the play/pause media function:

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

People

`:bowtie:`	😄 `:smile:`	😆 `:laughing:`
😊 `:blush:`	😃 `:smiley:`	☺️ `:relaxed:`
😏 `:smirk:`	😍 `:heart_eyes:`	😘 `:kissing_heart:`
😚 `:kissing_closed_eyes:`	😳 `:flushed:`	😌 `:relieved:`
😆 `:satisfied:`	😁 `:grin:`	😉 `:wink:`
😜 `:stuck_out_tongue_winking_eye:`	😝 `:stuck_out_tongue_closed_eyes:`	😀 `:grinning:`
😗 `:kissing:`	😙 `:kissing_smiling_eyes:`	😛 `:stuck_out_tongue:`

	#!/bin/bash
	cd /tmp \|\| exit
	echo "Downloading Postman ..."
	wget -q https://dl.pstmn.io/download/latest/linux?arch=64 -O postman.tar.gz
	tar -xzf postman.tar.gz
	rm postman.tar.gz

	echo "Installing to opt..."
	if [ -d "/opt/Postman" ];then
	sudo rm -rf /opt/Postman

	package main

	import (
	"bytes"
	"compress/gzip"
	"encoding/gob"
	"fmt"
	"io/ioutil"
	"log"
	"os"

	package main

	import (
	"context"
	"flag"
	"fmt"
	"log"
	"net/http"
	"os"
	"os/signal"

	#!/bin/sh

	## setup _________________________________

	TMUX_VER=2.9a
	LIBEVENT_VER=2.1.11-stable
	TEMP_COMPILE=~/tmux-temp-compile
	COMMON_INSTALL_PREFIX=/opt
	SYMLINK=/usr/local/bin/tmux

	package io.vertx.blog;

	import io.vertx.core.AbstractVerticle;
	import io.vertx.core.http.HttpServerResponse;
	import io.vertx.core.json.JsonArray;
	import io.vertx.core.json.JsonObject;
	import io.vertx.ext.jdbc.JDBCClient;
	import io.vertx.ext.sql.SQLConnection;
	import io.vertx.ext.web.Router;
	import io.vertx.ext.web.handler.BodyHandler;