Geunho Kim geunho

Kafka 0.11.0.0 (Confluent 3.3.0) added support to manipulate offsets for a consumer group via cli kafka-consumer-groups command.

List the topics to which the group is subscribed

kafka-consumer-groups --bootstrap-server <kafkahost:port> --group <group_id> --describe

Note the values under "CURRENT-OFFSET" and "LOG-END-OFFSET". "CURRENT-OFFSET" is the offset where this consumer group is currently at in each of the partitions.

Reset the consumer offset for a topic (preview)

JavaScript Classes - ES5 vs ES6

An example that shows the difference between creating a JavaScript class and subclass in ES5 and ES6.

Reference

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기술 문서를 쓸 때 주의해야 할 몇 가지

독자 배려

자신의 생각과 할 일을 정리하는 것이 기술 문서의 목표가 될 수는 없다. 먼저 독자를 식별하라. 그리고 독자를 배려하고 독자 입장을 생각하며 문서를 작성하라.

텍스트 파일의 장점

중요한 정보를 위키나 깃(Git)에서 텍스트로 작성하지 않고, 워드나 파워포인트 같은 이진 문서로 작성할 때마다 당신의 동료는 접근성, 가시성, 버전 관리 등 다양한 문제로 고생할 것이다.

People

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😗 `:kissing:`	😙 `:kissing_smiling_eyes:`	😛 `:stuck_out_tongue:`

1. Clone your fork:

git clone git@github.com:YOUR-USERNAME/YOUR-FORKED-REPO.git

2. Add remote from original repository in your forked repository:

cd into/cloned/fork-repo
git remote add upstream git://github.com/ORIGINAL-DEV-USERNAME/REPO-YOU-FORKED-FROM.git
git fetch upstream

	# Add this snippet to the top of your playbook.
	# It will install python2 if missing (but checks first so no expensive repeated apt updates)
	# gwillem@gmail.com

	- hosts: all
	gather_facts: False

	tasks:
	- name: install python 2
	raw: test -e /usr/bin/python \|\| (apt -y update && apt install -y python-minimal)

	// parse a Link header
	//
	// Link:<https://example.org/.meta>; rel=meta
	//
	// var r = parseLinkHeader(xhr.getResponseHeader('Link');
	// r['meta'] outputs https://example.org/.meta
	//
	function parseLinkHeader(header) {
	var linkexp = /<[^>]>\s(\s;\s[^\(\)<>@,;:"\/\[\]\?={} \t]+=(([^\(\)<>@,;:"\/\[\]\?={} \t]+)\|("[^"]")))(,\|$)/g;
	var paramexp = /[^\(\)<>@,;:"\/\[\]\?={} \t]+=(([^\(\)<>@,;:"\/\[\]\?={} \t]+)\|("[^"]*"))/g;