Category Archives: Enterprise Programmer

Caesar Cipher in C

Posted on December 7, 2019 by rilardi

A simple C implementation of the Caesar Cipher. Supports full wrap around for Alpha Numerics. Does Modulus for shifts larger than 26 for Alphas and 10 for Digits. Background on Caesar Cipher: https://en.wikipedia.org/wiki/Caesar_cipher

Posted in Computer Fun Stuff, Development, Programming General, Security, Technology | Leave a comment

Master Map-Reduce Job – The One and Only ETL Map-Reduce Job you will ever have to write!

Posted on February 1, 2016 by rilardi

It’s fitting that my first article on Big Data would be titled the “Master Map-Reduce Job”. I believe it truly is the one and only Map-Reduce job you will every have to write, at least for ETL (Extract, Transform and … Continue reading →

Posted in Big Data, Development | Leave a comment

Synthetic Transactions and Capability Monitoring of your Enterprise Architecture

Posted on January 24, 2016 by rilardi

Back in my days at Lehman Brothers, I was introduced to the concept of “Synthetic Transactions”. That is an automated action that is scheduled to execute periodically to monitor performance and availability of one of more components in your enterprise … Continue reading →

Posted in Architecture | Leave a comment

Lightweight User Reference Object for Securing APIs

Posted on December 31, 2015 by rilardi

Back in 2005, I was face with developing a Secure Set of APIs that could run in multiple deployment configurations. At the time we were heavily developing EJB’s, specifically Stateless Session Beans. We were also starting to deploy SOAP based … Continue reading →

Posted in Architecture, Development, Security | Leave a comment

Writing a Good Job Description for Hiring Core Java Developers

Posted on December 30, 2015 by rilardi

As a Development Manager or a Team Lead, you often need to write up Job Descriptions which include a brief description of the Team, and the Role’s responsibilities. Some people also include a description of the company, but I usually … Continue reading →

Posted in Software Management | Leave a comment

Singletons and Factories of Singletons

Posted on August 10, 2013 by rilardi

A Singleton is a design pattern that allows for a One and ONLY One Object instance of a class  to be instantiated within the memory of a process using object oriented programming concepts. Maybe people will ask, well why can’t I use a … Continue reading →

Posted in Architecture | 1 Comment

The Classic Producer – Consumer Problem

Posted on June 24, 2013 by rilardi

One of the main questions that my team ask potential candidates during technical interviews, is the Producer – Consumer Problem. We have found over the years that this problem is one of the main issues we have with potential new … Continue reading →

Posted in Development | Tagged , , | 1 Comment

SFEMS – Stable, Flexible, Extensible, Maintainable, Scalable

Posted on June 15, 2013 by rilardi

For the last 8 years that I have been giving my architects, tech leads, and developers their yearly performance reviews, I have been using the acronym “SFEMS”. Arguably you can say I should just be telling my architects and maybe tech leads that … Continue reading →

Posted in Architecture, Development, Software Management | 4 Comments

PASH – A Simple Unix SHell

Posted on May 5, 2013 by rilardi

What is it? Back in late 2004, I decided to finally write my own Unix SHell from scratch in the C Programming Language. One of the professors that taught Operating Systems at Polytechnic University back when I was an undergrad, actually … Continue reading →

Posted in Computer Fun Stuff, Development | Leave a comment

Question Posed: Cultivating Good System Architects

Posted on April 19, 2013 by rilardi

While on my latest trip to London, I was posed the question: “What does it take the cultivate good System Architects within you organization?” As I’m currently sitting in the Virgin Atlantic Clubhouse waiting for my flight back to the … Continue reading →

Posted in Architecture, Software Management | Leave a comment