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Daryl's Blog

Successes and challenges creating techncial solutions.

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AWS Lambda for Stock Data: What I Learned (and Fixed!) After Going Live

Your AWS Lambda stock data pipeline just got an upgrade! After using my automated collector for a while, I found a two crucial areas for improvement. Dive in to see how I refined it for even better performance and reliability Before you go and read this article, you need to read the last post where [ ]

Tired of Manually Downloading Stock Data? Automate it with Serverless Magic!

The Problem I have been involved with the stock markets ever since I was a child. While my dad spared me from the down and dirty details, he was open about investing in the stock market. That early exposure gave me a natural faciniation of the markets. There are many places to look at graphs [ ]

There is a Mojo in my Dojo II: Automate Code Formatting in CI/CD Pipelines

Ever wondered what it would take to improve a CI/CD process yourself? In my last project, I was often reminding my team members to format their otherwise excellent code. This was especially frustrating considering we all were required to use a formatter and told how to incorporate the formatter into our IDEs. The project is [ ]

Creating Passive Income Through Dividend Stocks

I got tired of my income being dependent on an employer so I decided to start creating my own passive income stream. There are real advantages of using the stock market as a source of passive income. Advantages of the Stock Market Total Size of the Market According to https://siblisresearch.com/data/us-stock-market-value/ as of July 1st, 2024 [ ]

I Work with AI and I Have a Problem

Want to see why generative AI can be an issue? I discuss this in a real world scenario of resume editing for a real job posting. Come see AI do real work and learn about my career along the way.

Something I Learned Recently: Thermoelectric Effect

I was inspired by NASA's Radioisotope Power Systems and want to take advantage of it down on Earth.

Excellent Article about OpAmps

I found this article on the Internet about OpAmps and their various applications

Troubling yet Good News from GitHub

GitHub has been scanning source code for some time now for API tokens. The troubling part is that they have found one billion tokens locked in the collective source code. What is good about it is that GitHub partners get notified so the exposed tokens are removed from circulation and prevents more break-ins. I have [ ]

Dusting Off the Secret Hideout

Beginnings are the Hardest Beginnings are the hardest for me, because they set the tone for what is going to come. That is why I don t introduce myself as a technical person when I first meet someone. I want them to know me as a person that can be technical rather than a technical person. [ ]

DIY Annotations

Since Java 5 there have been annotations in Java. I wanted to make my own annotation just to see what it takes. However, I found out that they were just interfaces. There is the rub Interfaces have no teeth behind them. Some piece of code has to implement it. I figured this is where the [ ]