Rajul iRajul

Array

count	word	meaning	rank	cumulative_fraction
12218247	de	from	1	0.03557
12131641	que	what	2	0.07088
10444550	no	do not	3	0.1013
8037570	a	to	4	0.1247
7711865	la	the	5	0.1471
6389567	el	he	6	0.1657
6003821	y	7		0.1832
5897102	es	8		0.2004
5770082	en	9		0.2172

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Command-line arguments in Python show up in sys.argv as a list of strings (so you'll need to import the sys module).

For example, if you want to print all passed command-line arguments:

import sys
print(sys.argv)  # Note the first argument is always the script filename.

Command-line options are sometimes passed by position (e.g. myprogram foo bar) and sometimes by using a "-name value" pair (e.g. myprogram -a foo -b bar).

Here's a simple way to parse command-line pair arguments. It scans the argv list looking for -optionname optionvalue word pairs and places them in a dictionary for easy retrieval. The code is heavily commented to help Python newcomers.

⇐ back to the gist-blog at jrw.fi

Simple, semi-anonymous backups with S3 and curl

Backing stuff up is a bit of a hassle, to set up and to maintain. While full-blown backup suites such as duplicity or CrashPlan will do all kinds of clever things for you (and I'd recommend either for more complex setups), sometimes you just want to put that daily database dump somewhere off-site and be done with it. This is what I've done, with an Amazon S3 bucket and curl. Hold onto your hats, there's some Bucket Policy acrobatics ahead.

There's also a tl;dr at the very end if you just want the delicious copy-pasta.

Bucket setup

System directories

Method	Result
Environment.getDataDirectory()	/data
Environment.getDownloadCacheDirectory()	/cache
Environment.getRootDirectory()	/system

External storage directories

	#!/usr/bin/env bash
	# memusg -- Measure memory usage of processes
	# Usage: memusg COMMAND [ARGS]...
	#
	# Author: Jaeho Shin <[email protected]>
	# Created: 2010-08-16
	############################################################################
	# Copyright 2010 Jaeho Shin. #
	# #
	# Licensed under the Apache License, Version 2.0 (the "License"); #

	# source: https://trac.ffmpeg.org/wiki/CentosCompilationGuide

	yum install autoconf automake gcc gcc-c++ git libtool make nasm pkgconfig zlib-devel

	mkdir ~/ffmpeg_sources

	cd ~/ffmpeg_sources
	curl -O http://www.tortall.net/projects/yasm/releases/yasm-1.2.0.tar.gz
	tar xzvf yasm-1.2.0.tar.gz
	cd yasm-1.2.0

	# Create your superuser
	$ mongo
	> use admin
	> db.createUser({user:"someadmin",pwd:"secret", roles:[{role:"root",db:"admin"}]})
	> exit

	# Alias for convenience (optional and at your own risk)
	$ echo 'alias mongo="mongo --port 27017 -u someadmin -p secret --authenticationDatabase admin"' >> ~/.bash_profile
	$ source ~/.bash_profile

	The method i am telling is quite Simple and requires Dynamic Programming and have time complexity O(n).

	Your Sample Input:
	n=10 , W = 3

	10 3
	1 -2 5 6 0 9 8 -1 2 0

	Answer = 5 6 6 9 9 9 8 2
	Concept: Dynamic Programming