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October 2, 2019

Setting Security Headers For Web App: NGINX, Express, and React.

HTTP headers are wonderful little devices. They can help mitigate multiple kinds of attacks and can also be used for authentication. They can be set on the back-end by Express (in the response object), in the HTML on the front-end, or with web server software. I recently explored securing a

September 0, 2019

Simple and Cheap Automatic Shipment Tracking

On my journey for my next Azure certification, I explored Azure EventGrid. For those that aren’t acquainted, a description follows; The service can be used for many different tasks, and it appears that it is more typically used to track changes to VMs or changes to a database.

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July 3, 2019

Nuance in Classification Model Evaluation with Daily Mood Data

I was doing a practice analysis with some personal data when I found myself digging deeper into the use of binary classification evaluator methods with multi-label data. My purpose, when I began to perform the analysis, was to see if there were any patterns in how I spent my days in comparison to

July 5, 2019

Clustering Seattle Neighborhoods For Business Location (Coursera Project)

I recently finished a specialization on Coursera called IBM Data Science Professional Certificate. The final class was the Applied Data Science Capstone in which I had to complete the project using the Foursquare API, geospatial data, and many modules that I had worked with in previous labs.

June 1, 2019

Simple System to Process Invoices Using Docparser, Google Sheets, and Google Script Editor

In this post the reader will find information on how I use(d) Docparser, Google Sheets, Formulas, and simple Google Scripts to create a functional software system for an accounts payable process. I learned how to use the Docparser software, which lead me into learning how to use

Published

Elsewhere

Below are articles that I have written for other blogs. The majority are programming tutorials on how to use their services with various frameworks or other technologies. Please contact us at jarrett@retz.dev for more information or questions on writing services.

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