ramn’s gists

ramn / git_difflog_over_rebase.sh

Created January 11, 2013 11:15

Show commits that are in feature123_rebased_on_master but not in feature123, even though they have aquired new commit ids due to rebase.

	# Show commits that are in feature123_rebased_on_master but not in feature123, even though they have aquired new commit ids due to rebase.
	git log --cherry-pick --left-right feature123...feature123_rebased_on_master ^master

ramn / generate_completions.sh

Created December 20, 2012 13:01

Generate tab completions for shell command

	function _build_completions_helper {
	local current_word
	COMPREPLY=()
	current_word=${COMP_WORDS[COMP_CWORD]}
	COMPREPLY=($(compgen -W "${PROGRAM_COMMANDS}" -- $current_word))
	return 0
	}

	# param 1: command to build completions for. Ex: fab
	#

ramn / FizzBuzz.scala

Created November 25, 2012 16:15

FizzBuzz in scala, somewhat functional

	object Main {
	def main(args: Array[String]) = {
	def m3(x: Int) = x % 3 == 0
	def m5(x: Int) = x % 5 == 0

	val checks = List((m3 _, "Fizz"), (m5 _, "Buzz"))

	Stream.from(1) map { n =>
	checks filter (_._1(n)) map (_._2) reduceOption (_ + _) getOrElse n
	} take 100 foreach println

ramn / PropertyUsage.scala

Last active October 11, 2015 18:17

Properties files with Scala

	import java.util.Properties

	val in = getClass.getClassLoader.getResourceAsStream("config_values.properties")
	// The Classloader is not always available (sbt test runner), then use the current class instead:
	// val in = getClass.getResourceAsStream("config_values.properties")
	val props = new Properties()
	props.load(in)
	in.close
	props.getProperty("my.property.name", "default-value")

ramn / netcat_over_ssh.sh

Created September 27, 2012 14:27

Send a file with netcat over ssh tunnel

	### Sending a file
	# BSD nc syntax
	cat myDocument.pdf \| ssh me.myserver.com nc -l 20000

	# Hobbit nc syntax - try this one if unsure!
	cat myDocument.pdf \| ssh me.myserver.com nc -l -p 20000


	### Receiving a file
	nc me.myserver.com 20000 > myDocument.pdf

ramn / watch_and_notify_emr.sh

Created September 21, 2012 12:21

Monitor Amazon EMR and send XMPP message on completion

	#! /bin/bash

	# A script that watches the running status of Amazon EMR jobs, sending an XMPP
	# message upon completion.
	#
	# A destination jabber account, where the messages are sent, should be supplied
	# either as the first argument at invocation or in the environment variable
	# JABBER_ACCOUNT.
	#
	# Dependencies:

ramn / cgi.rb

Created September 1, 2012 10:51 — forked from kek/gist:3153275

Writing a CGI script with templates. For PHP programmers

ramn / webrick_and_erb.rb

Created September 1, 2012 10:50

Simple ruby webserver

ramn / gnuplot_examples.sh

Last active October 9, 2015 17:57

Gnuplot examples

	# Create svg graph file
	cat plotdata_raw \| gnuplot -e "set terminal svg; plot '-' using 2:1 with lines" > my_graph.svg

	# where plotdata_raw is a file with data, 2 columns separated by whitespace.
	# using 2:1 means: use column 2 as x, column 1 as y axis
	# with lines: draw a line graph


	# Parse time
	cat plotdata_raw \| gnuplot -e "set xdata time; set timefmt '%s'; plot '-' using 2:1 with lines" -p

ramn / cartesianProduct.js

Created July 13, 2012 08:22

Produce cartesian product of a list of lists (javascript)

	// Lives at: https://gist.github.com/3103615/
	function cartesianProduct(xss) {
	if (!xss \|\| xss.length < 1)
	return [];
	else {
	var head = xss[0];
	var tail = xss.slice(1);
	var result = [];
	for (var i = 0; i < head.length; i++) {
	var productOfTail = cartesianProduct(tail);

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