Learning is bateru

Code of the Day: Javascript Decimal Expansion a.k.a Division

Larry — Wed, 16 May 2012 22:54:05 +0000

Today’s Code of the Day is about decimal expansion, which is just division. So you might be asking yourself, “if decimal expansion is divsion. Then why not use a/b?”. Well the problem is that Javascript has a ton of problems …

Code of the Day: Javascript, Fix for isNaN

Larry — Mon, 14 May 2012 22:25:45 +0000

Javascript is a dynamically typed langauges. This feature causes for Arrays, Booleans, and other types to be converted to a numeric values depending on usage. However this feature can cause headarches when trying to detect numbers. For example, isNaN() detects …

Code of the Day: Javascript, Prime Factors of a Number

Larry — Fri, 11 May 2012 23:05:30 +0000

Javascript: Prime Factorization Today’s code is a enhancement of Code Renaissance‘s version of “Finding Prime Numbers in Javascript”. Main difference are the following. Faster performance by eliminating recursion and caching Math.sqrt. Whole numbers bigger than 1 return an empty array, …

Code of the Day: Javascript, Convert decimal to a simplified fraction

Larry — Wed, 09 May 2012 00:09:37 +0000

Inspired from a stackoverflow.com question. Convert decimal amount to text string fraction in Javascript? Code /** * @author Larry Battle <http://bateru.com/news/contact-me> * @license MIT * @version 1.0 * @date May 08, 2012 * @purpose To provide a function that converts …

Qunit Template

Larry — Tue, 08 May 2012 20:00:19 +0000

QUnit JSFiddle.net Template http://jsfiddle.net/tWyHg/1/

A quick comparison between == vs equals in Java

Larry — Thu, 19 Apr 2012 17:25:36 +0000

/** @author Larry Battle <bateru.com/news> @date April 19, 2012 @purpose To show a simple comparison between == and equals(). */ public class SameObjectTest { public static boolean areAssertsEnabled(){ boolean isEnabled = false; try{ assert false: "Yes asserts are enabled."; …

Video of 5 Autonomous Robots

Larry — Mon, 16 Apr 2012 03:04:33 +0000

New Honda Robot ASIMO 2012 – All features and behaviors BigDog Evolution A Swarm of Nano Quadrotors Freaky Life Like A.I Robot Awesome Robot For Kids, 15 inches High

4 Notepad++ Plugins for Javascript Developers

Larry — Sun, 01 Apr 2012 08:38:09 +0000

Here are some Notepad++ plugins for JavaScript Developers that I found useful. Tip: You can install all the plugins using Notepad++ Plugins Manager located in the “Plugins” Menu. JSLint Description: JSLint is a static code analysis tool used in software …

Code of the day: Get unique objects from an array of json objects.

Larry — Sun, 01 Apr 2012 02:42:07 +0000

Inspired from Removing duplicate objects with Underscore for Javascript Source: /** @function _.uniqObjects @require Underscore.js and json.stringify @purpose return an array of objects without duplicated objects. */ _.uniqObjects = function( arr ){ return _.uniq( _.collect( arr, function( x ){ return …

Reimplementation of Number.prototype.toFixed

Larry — Sun, 01 Apr 2012 01:53:33 +0000

Number.prototype.toFixed was giving me too many problems, so I just rewrote it. There’s the source. /** @author Larry Battle <a alt="contact me" href="bateru.com/news/contact">Contact Me</a> @date Mar 30, 2012 @purpose Provide the fix for Number.prototype.toFixed() function. @info source at http://bateru.com/news/2012/03/reimplementation-of-number-prototype-tofixed */ …