Puneet Lakhina puneetlakhina

puneetlakhina / reversestr.py

Created October 20, 2011 07:31

Python reverse a string

puneetlakhina / reversestraltupper.py

Created October 20, 2011 07:33

Python reverse a string with alternate letter capitalization

	#!/usr/bin/python
	import sys
	s = sys.argv[1]
	n=len(s)
	print ''.join([s[i] if i%2 == 0 else s[i].upper() for i in range(n-1,-1,-1)])

puneetlakhina / toutc.pl

Created November 7, 2011 22:32

Convert localtime to unix timestamp

	#!/usr/bin/perl
	#Format of ip Month/Year/DateThour:minute:seconds
	use Time::Local;
	my ($date,$time) = split 'T' , $ARGV[$1];
	#print $date."\n".$time."\n";
	my ($month, $day, $year) = split '/', $date;
	$month = $month - 1; #this is because timelocal wants the month to be zero indexed
	#print $month."\n";
	my ($hr, $

puneetlakhina / useful.sh

Created November 8, 2011 17:53

Useful command lines

netstat -tuanp | grep LISTEN | grep (port number) #listening ports using netstat #use -p to list process id also

puneetlakhina / makengram.py

Created November 30, 2011 10:09

Make n grams from a list of words

	def ngram(words,n):
	return ["_".join(words[i:i+n]) for i in range(0,len(words)-n+1)]

puneetlakhina / CollectionUtils.java

Created December 2, 2011 20:01

A utility of collection functions. 1. Denormalize a java Map<K,List<T>> into a list of entries 2. firstOrNull in a list

	private <K,T> List<Map.Entry<K, T>> denormalizeMap(Map<K,List<T>> nestedListMap) {
	List<Map.Entry<K, T>> denormalizedEntryList = new ArrayList<Map.Entry<K,T>>();
	for(Map.Entry<K, List<T>> entry:nestedListMap.entrySet()) {
	for(T t:entry.getValue()) {
	denormalizedEntryList.add(new AbstractMap.SimpleEntry<K,T>(entry.getKey(), t));
	}
	}
	return denormalizedEntryList;
	}

puneetlakhina / git_set_upstream.sh

Created December 6, 2011 02:42

set upstream git branch

git branch --set-upstream branch_name upstream/branch_name

puneetlakhina / snippet.txt

Created March 5, 2012 02:29

testgist

Test Gist

puneetlakhina / lpr.py

Created April 10, 2012 06:44

Multiply probabilities by doing log sum

	import math
	def lpm(*args):
	return sum([math.log(x) for x in args])

	lpm(0.1,0.2)

puneetlakhina / Adapter.java

Created May 9, 2012 22:06

Adapter.java

	public void open() {
	new Thread() {
	public void run() {
	loadData((Schema)null, _file);
	}
	}.start();
	}

	@Override
	protected boolean processRecord(GenericRecord data) {