ronaldronson

/**
 * Clear form data.
 * 
 * @param HTMLFormElement
 */
function clearForm(form) {    
    var  l = form.elements.length, o, list = {
        "checkbox": {prop: "checked", val: false},
        "radio": {prop: "checked", val: false},
        "select-one": {prop: "selectedIndex", val: null},

ronaldronson

/** ES 5 */
function f (n) { return !!~[1,2].indexOf(n) ? 1 : f(n-1) + f(n-2) } 

/** ES 6 */
const f = n => !!~[1,2].indexOf(n) ? 1 : f(n-1) + f(n-2)

/** more crazy   */
const f = n => !!({1:1, 2:1})[n] ? 1 : f(n-1) + f(n-2)

/**

ronaldronson

/** Bind: */
Function.prototype.c_bind = function (cnt) {
    var pArgs = [].slice.call(arguments, 0), fn = this;
    return function () {
      var args = [].slice.call(arguments, 0);
      [].splice.apply(pArgs, [0, args.length].concat(args));	
      return fn.apply(cnt, args);
    }  
};

ronaldronson

#!/bin/sh
prefix="/var/mail/sendmail/new"
numPath="/var/mail/sendmail"

if [ ! -f $numPath/num ]; then
echo "0" > $numPath/num
fi
num=`cat $numPath/num`
num=$(($num + 1))
echo $num > $numPath/num

ronaldronson

#!/bin/sh
ALL_IMGS=`find . *.jpg -type f -name '*.jpg'`
for I in ${ALL_IMGS}  
do
    
    DEM_H=`identify -format "%h"  ${I}`
    DEM_W=`identify -format "%W"  ${I}`
    
    echo ${I} - ${DEM_H} x ${DEM_W}

ronaldronson

function calculate(input) {
    "use strict";

    var len = input.length, extr, max, min, part;

    extr = input
        .reduce(function (pre, val, i, arr) { // find local extremums
            if ((!i && (val > arr[i + 1])) // check first element
                    || ((i === len - 1) && (val > arr[i - 1])) // check last element
                    || ((val > arr[i - 1]) && val > arr[i + 1]) // check rest

ronaldronson

var parseFloat = function (val){
    "use strict";
    var res = NaN, i = 0, len, neg = false;

    if ("number" == typeof val) {
        return val;
    }
    
    if (null == val
      || "object" typeof val    

ronaldronson

var Promise = (function () {
    "use strict";

    function worker(queue, val) {
        return queue.reduce(function (res, obj, i) {
            try {
                return obj.fn(res);
            } catch (ex) {
                return obj.err(ex);
            }

ronaldronson

function switchScope(fn, params) {
    var keys, values;

    keys = Object.keys(params);

    values = keys.map(function (val) {
        return params[val];
    });

ronaldronson

Function::some = (n) -> that = @; (a...) -> that.apply this, a.slice 0, n

# loger
log = (a...) -> console.log a.join " -> "

# math
mult = (a) -> a * a

# possition
odd = (k) -> k % 2