ursuad

Kafka Topics

List existing topics

bin/kafka-topics.sh --zookeeper localhost:2181 --list

Describe a topic

bin/kafka-topics.sh --zookeeper localhost:2181 --describe --topic mytopic

Purge a topic

bin/kafka-topics.sh --zookeeper localhost:2181 --alter --topic mytopic --config retention.ms=1000

... wait a minute ...

hotpaw2

//
//  RecordAudio.swift
//
//  This is a Swift class (updated for Swift 5)
//    that uses the iOS RemoteIO Audio Unit
//    to record audio input samples,
//  (should be instantiated as a singleton object.)
//
//  Created by Ronald Nicholson on 10/21/16.
//  Copyright © 2017,2019 HotPaw Productions. All rights reserved.

hotpaw2

//
//  ToneOutputUnit.swift
//
//  This is a Swift 3 class (which should be instantiated as a singleton object)
//    that can play a single tone of arbitrary tone and frequency on iOS devices
//    using run-time sinewave synthesis and the Audio Unit v3 API with RemoteIO.
//
//  Created by Ronald Nicholson  rhn@nicholson.com  on 2/20/2016.
//    revised 2016-Sep-08 for Swift 3
//  http://www.nicholson.com/rhn/

jafstar

		//ABC JAZZ
		//mp3: "http://listen.radionomy.com/abc-jazz"
		
		//FRISKY FM
		//mp3: "http://scfire-mtc-aa02.stream.aol.com:80/stream/1015"
		http://stream2.friskyradio.com:8000/frisky_mp3_hi
		http://chill.friskyradio.com/friskychill_mp3_high

		//WWOZ 
		//mp3: "http://wwoz-sc.streamguys.com/wwoz-hi.mp3"