Posted: July 2011

PHP Puzzler: Forgetful Variables

Today I present to you a PHP puzzler that in fact had me stumped for a day or two. I do enjoy when a language throws a curve ball; it presents an opportunity to gain insight on the mechanics and become acquainted with the nuances of the language in question.… Read the rest

Java 7 launches – new language features introduced

Java 7 is now officially available as of July 28th 2011. The intent of this blog entry is to introduce the new language features. For further details, consult the Java 7 SDK. Binary Literals Underscores in Numeric Literals Strings in Switch Statements Type Inference for Generic Instance Creation Try-With-Resources Improved Exception Handling Improved Compiler Warnings and Errors When Using Non-Reifiable Formal Parameters with Varargs Methods Binary Literals [Official Docs] Long awaited, Java now allows for integral literals (byte, short, int, and long) to be expressed in binary.… Read the rest

Readable Code vs Compact Code

Inspired by a thread on Facebook to which I contributed, a few words concerning readable code vs compact code. When writing applications, a common scenario involves setting a variable from some external source. What immediately ensues is a check to ensure that our variable has some meaningful value.… Read the rest

Website slideshow made easy with jQuery

Original article from http://planetjon.ca/2011/07/12/website-slideshow-made-easy-with-jquery/ I just wanted to share this gem that I stumbled upon. If you’re looking to add a slideshow or image slider to your website, this Cycle plugin built on jQuery is a really painless way of going about it.… Read the rest

Code Commenting – a delicate art of balance

Taken from my reply to a post regarding the topic on Facebook, a few words introducing key guidelines I follow when commenting my code. Regarding classes, I like to provide a class summary stating the intent and purpose. Accessors, Mutators, Constructors – I don’t feel the need to comment them as their roles are (and should be) rather self-explanatory.… Read the rest

Array unpacking in PHP

One of PHP’s less known language constructs is list(), very useful for unpacking indexed arrays. Consider the following simple example denoting its usage: <?php //populate an array with values $record= array('me', '1.800.123.4567', 'me@example.com'); //unpack the array into variables, skipping the phone number list($name, , $email) = $record; //print the output echo("name: $name; email: $email"); ?> This clean, readable, scalable approach is great for processing data records, unpacking an SQL result row, etc.… Read the rest