Ernesto Garbarino

In the process of configuring a StatefulSet for Memcached, I’ve discovered that my biggest hurdle had to do with my inability to grasp the exact order of events that take place in a Pod’s life cycle.

Every application proposal trying to win the heart of a Fortune 500 company today not only needs to claim to be Agile—oh, sorry, SAFe—but also based on a microservices architecture.

Why, sometimes, you should just stick to boxes.

A toxic combination.

When I first started tinkering with Java in 1996, I was less than impressed at how sluggish the JVM was and how Java Applet-powered sites would be crippled by an annoying, CPU-hogging, grey rectangle.

The story goes that one day in the winter of 1928, Joe Kennedy stopped to have his shoes shined and when the boy finished, he offered him a stock tip: “Buy Hindenburg”.

Those who do not learn history are doomed to repeat it; the saying goes.

I was thinking about Fermat’s Little Theorem and I wondered whether this primality test could be used to generate prime numbers faster than the Sieve of Eratosthenes, which is typically used to market Haskell to imperative programmers.

The T-shirt size model is convenient for pricing software but it may cause problems if used incorrectly.

The ideal number of columns and whether to use tabs or spaces are frequent topics of debate among programmers.

There is nothing more frustrating than spending time dealing with expenses since it is an activity that adds zero value to our customers and contributes nothing to our personal development.

In this article we explore the Event Sourcing Pattern and its cousins (Retroactive Event, Parallel Models and Materialised View) using a Haskell model to investigate the implications of implementing said patterns and the challenges that arise from their u…

The Command and Query Responsibility Segregation (CQRS) Pattern is a solution to the problems that are inherent to the Create, Read, Update and Delete (CRUD) approach to data handling.

The Compute Resource Consolidation Pattern is used to reduce costs by consolidating tasks when computational units are charged uniformly even in spite of low usage.

This is a Docker tutorial written in a Frequently Asked Questions (FAQ) style.

Many people abandon their Vim learning efforts because they fail to become productive quickly enough.

An essay on why software is not a regular capital good and why it should be treated differently in outsourcing arrangements.

A list of procurement concepts.

An IT/Business transformation rarely takes place without the aid of vendors, be it for the provision of products or services.

A brief account on what a reusability KPI is in SOA.

A high-level methodology to devise an integration strategy for an organisation.

A simple methodology to build a business case for an integration programme by performing a cost benefit analysis on the organisation’s front-end systems.

These is a consolidation of various blog posts and articles I had published when consulting under Tesira Ltd about how hyped the SOA market was at the time.

An account of the type of data that is typically included on headers when using messaging systems.

An introduction to Business Integration and how it differentiates from SOA.

An overview of the SOAP specification.

An overview of the WSDL specification.

An overview of how transactions work in high-level terms.

A number of principles that apply whenever an Integration/SOA project abides to a political agenda as opposed to genuine business and technical benefit.

High-level overview of security dimensions and components.

An overview of the most common Message Exchange Patterns (MEPs) applicable to the Business Integration and SOA domains.

A guide to the old Enterprise JavaBeans (EJB) framework.

A concise guide to the Java 2 Programming Language.

An overview of numeric systems.