seungjin

#!/usr/bin/env ruby

require 'net/ftp'

ftp = Net::FTP.new('www.myftpserver.com')
ftp.passive = true
ftp.login('myuserid','mypassowrd')
files = ftp.chdir('/data')

#Currnet localpath

seungjin

#!/usr/bin/env python
# PowerSet program

def PowerSet(base):
    power_set = []
    b = len(base)
    map(lambda g: power_set.append(map(lambda x: base[x],
        filter(lambda x: g[x], range(0, b)))),
        map(lambda value: map(lambda x: (value >> x) & 1, range(b - 1, -1, -1)),
        map(lambda value: value ^ (value / 2), range(0, 2**b))))

seungjin

<?php
// php loop based on recursion
// why do we need while / for statement in program language?
// and in php, I cannot pass php function to php function as function arg. :-(
// Anonymous functions are available since PHP 5.3.0. http://us2.php.net/manual/en/functions.anonymous.php
// I am using 5.2.6 now. 
class Foo
{  
  public function loop($a,$b)
  {

seungjin

// get rid of for/while in your ecmascrip!
loop = function(givenF,a,b) {
	if ( a >= 0 && b >= a ) { eval(givenF()); a++; loop(givenF,a,b); }
}

sayHello = function() {
	print("say hello\n");
}

loop(sayHello,1,4);

seungjin

#!/usr/bin/env python
# get rid of for/while in your python code!
def loop(givenF,a,b):
    if ( a >= 0 and b >= a) :
        givenF()
        a += 1
        loop(givenF,a,b)

def sayHello():
    print("say hello")

seungjin

/**
 * this source is from http://www.openjs.com/scripts/others/dump_function_php_print_r.php
 */

/**
 * Function : dump()
 * Arguments: The data - array,hash(associative array),object
 *    The level - OPTIONAL
 * Returns  : The textual representation of the array.
 * This function was inspired by the print_r function of PHP.

seungjin

<?php
function get_microtime()
{
	list($usec, $sec) = explode(' ', microtime());
	return ((float)$usec + (float)$sec);
}

$start_time = get_microtime();

// I do not use this function. Don't need it. Record this code just for reference

seungjin

#!/usr/bin/env python
# copy files into target directory with timestamp

import os
import sys
from datetime import date



print("USAGE:  python cpHere.py /Users/seungjin/Desktop/a");

seungjin

#!/usr/bin/env python
# connectionCheck

import sys
from urllib2 import urlopen
import socket

host = sys.argv[1]
port = int(sys.argv[2])
size = 1024

seungjin

/* image rotate javascript */

/* This script and many more are available free online at
The JavaScript Source!! http://javascript.internet.com
Created by: Benoit Asselin | http://www.ab-d.fr */

function rotate(p_deg) {
	if(document.getElementById('canvas')) {
		/*
		Ok!: Firefox 2, Safari 3, Opera 9.5b2