CsBigDataHub

Setting up Emacs daemon on OS X

Tired of waiting for emacs to start on OS X? This step by step guide will teach you how to install the latest version of emacs and configure it to start in the background (daemon mode) and use emacsclient as your main editor.

Install Cocoa Emacs

Download the latest pretest version of [Emacs for Mac OS X]: http://emacsformacosx.com/builds

Manage your gmail account in emacs with mu4e

There're a lot of combinations to manage your email with emacs, but this works for me. I've a backup and I can manage my daily email.

The stack:

emacs
offlineimap
mu
mu4e

My Openshift Cheatsheet

Project Quotes, Limits and Templates

Cluster Quota

oc create clusterquota env-qa \
    --project-label-selector environment=qa \
    --hard pods=10,services=5
    
oc create clusterquota user-qa \

	import scala.io.Source.fromFile

	def parseProperties(filename: String): Map[String,String] = {
	val lines = fromFile(filename).getLines.toSeq
	val cleanLines = lines.map(_.trim).filter(!_.startsWith("#")).filter(_.contains("="))
	cleanLines.map(line => { val Array(a,b) = line.split("=",2); (a.trim, b.trim)}).toMap
	}

	! This sets Caps to Escape
	! Then sets Escape to Hyper

	! save this file to: /etc/X11/xinit/Xmodmaprc
	! then call in: /etc/X11/xinit/xinitrc
	! with: xmodmap /etc/X11/xinit/Xmodmaprc

	! ASUS UL50V
	clear Lock

	#!/usr/bin/python
	#
	# List all files that have ever been committed in this repository, in any
	# commit in any branch.

	import pygit2
	import stat

	def list_all_files(repo_path):
	repo = pygit2.Repository(repo_path)

	import groovy.io.*

	def listfiles(dir) {
	dlist = []
	flist = []
	new File(dir).eachDir {dlist << it.name }
	dlist.sort()
	new File(dir).eachFile(FileType.FILES, {flist << it.name })
	flist.sort()
	return (dlist << flist).flatten()

	#!/bin/bash
	set -e

	# Usage:
	# rsync_parallel.sh [--parallel=N] [rsync args...]
	#
	# Options:
	# --parallel=N Use N parallel processes for transfer. Defaults to 10.
	#
	# Notes:

	function errexit() {
	local err=$?
	set +o xtrace
	local code="${1:-1}"
	echo "Error in ${BASH_SOURCE[1]}:${BASH_LINENO[0]}. '${BASH_COMMAND}' exited with status $err"
	# Print out the stack trace described by $function_stack
	if [ ${#FUNCNAME[@]} -gt 2 ]
	then
	echo "Call tree:"
	for ((i=1;i<${#FUNCNAME[@]}-1;i++))

	Producer

	Setup
	bin/kafka-topics.sh --zookeeper esv4-hcl197.grid.linkedin.com:2181 --create --topic test-rep-one --partitions 6 --replication-factor 1
	bin/kafka-topics.sh --zookeeper esv4-hcl197.grid.linkedin.com:2181 --create --topic test --partitions 6 --replication-factor 3

	Single thread, no replication

	bin/kafka-run-class.sh org.apache.kafka.clients.tools.ProducerPerformance test7 50000000 100 -1 acks=1 bootstrap.servers=esv4-hcl198.grid.linkedin.com:9092 buffer.memory=67108864 batch.size=8196