PHP Unit Testing with SimpleTest
What is Unit Testing Most developers agree that testing is important but few test their code. Even fever do it methodically. Many developers do not realize that there is a…
What is the customer responsible for in the shared responsibility model
On the cloud, security is the shared responsibility of AWS and the customers. In a nutshell: Customer is responsible for security “in” the cloud AWS is responsible for security “of”…
Introduction to Cloud Computing
National Institute of Standards and Technology (NIST) defines cloud computing as follows: “Cloud computing is a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable…
What you need to know about the AWS Cloud Practitioner Exam
Cloud Practitioner Certification demonstrates that the individual holding the certificate has a high level understanding of AWS as a whole. The certification is suitable for non-technical roles. It does not…
Java Constructors
Constructors are special kinds of methods which have the following properties: Constructors don’t have a return type Constructors have the same name as the class Constructors are used to initialize…
Java Inheritance Example
Inheritance is a fantastic feature which simplifies development and facilitates reuse of classes. A class can inherit properties and methods from another class. The inheriting class is called the subclass…
Java Arrays
Java arrays allow use to store multiple values of the same type. Array elements are accessible by their indices. 0 is the first index. arrayname.length gives the length of the…
Benefits of AWS consolidated billing
Amazon allows AWS users with multiple accounts to consolidate their bills into one bill. Following are reasons for doing so: easier to track charges across multiple accounts by combining usage,…
Amazon S3 is not a global filesystem
Amazon S3 is an object store and a durable storage system but it is not a global filesystem for the following reasons: S3 stores objects, not files S3 is a…
How to track and categorize AWS spending on a detailed level
You can assign cost allocation tags to AWS resources. Each tag has a unique key and a value. Cost allocation tags can be used to track costs at a detailed…