rosic

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 ...

rosic

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

rosic

# This simplest thing is to clone Jim's repo (https://github.com/jimweirich/gilded_rose_kata) and then
# put this file in the root directory.

gem 'minitest', '~> 4.7'

require "minitest/autorun"
require "minitest/reporters"
MiniTest::Reporters.use! MiniTest::Reporters::SpecReporter.new

require_relative './gilded_rose'

rosic

#!/usr/bin/tclsh8.5
#
# Usage: git-unmerged branch1 branch2
# 
# Shows all the non-common commits in the two branches, where non-common
# commits means simply commits with a unique commit *message*.

proc getlog branch {
    lrange [split [exec git log $branch --oneline] "\n"] 0 400
}

rosic

namespace :jshint do
  task :require do
    sh "which jshint" do |ok, res|
      fail 'Cannot find jshint on $PATH' unless ok
    end
  end

  task :check => 'jshint:require' do
    project_root = File.expand_path('../../', File.dirname(__FILE__))
    config_file = File.join(project_root, 'config', 'jshint.json')