PHP Fundamentals Course Update INFO

I have just completed to update the PHP Fundamentals course. The community version of this course is available for free at abelski.lifemichael.com. The new version of this course includes four new topics: Extensions, Performance, Closure and Configuration. The update for this course was introduced in order to assist those who learn towards the PHP Zend […]

Closure in PHP PRO

Closure is a function or a reference for a function together with a table that includes references for each one of the non local variables that exist within the outer scope of the closure. Unlike a plain function pointer the closure can use those non local variables that belong to its outer scope even when […]

PHP Profiling using Zend Studio PRO

Zend Studio allows us to profile the code we write in PHP using an easy to use profiler it already includes. The following video clip shows how simple it is.

Generics Wild Card in Scala PRO

When defining a variable of a generic type we can use a wild card instead of specifying the exact secondary type the generic type uses. object HelloSample { def main(args:Array[String]):Unit = { val a:MyStack[SportCar] = new MyStack[SportCar]; val b:MyStack[_ <: Car] = a; } } class Car class SportCar extends Car class MyStack[T] The following […]

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