Welcome to Thrivasium App (version 3.0)
Champlin Technologies LLC is proud to announce the version 3.05 release of the Thrivasium (previously known as Thrive in Life Kit) app, for iPhone®, iPad®, Apple Watch®, and Mac®.
AWS WordPress 6: HTTPS Access
This is the sixth post of a 6-part series to setup a WordPress website on AWS. Browser communication to this web server is upgraded to https (i.e., padlock is displayed in the browser's address bar). Updated: June 2025.
AWS WordPress 5: Post-Installation
This is the fifth post of a 6-part series to setup a WordPress website on AWS. Post configuration steps improve the WordPress website. Updated: June 2025.
AWS WordPress 4: Install WordPress
This is the fourth post of a 6-part series to setup a WordPress website on AWS. The steps to install WordPress on the AWS instance are detailed. Updated: June 2025.
AWS WordPress 3: Setup LAMP
This is the third post of a 6-part series to setup a WordPress website on AWS. The steps to setup a LAMP (Linux, Apache, MySQL, PHP) stack are described. Updated: June 2025.
AWS WordPress 2: Improve Security
This is the second post of a 6-part series to setup a WordPress website on AWS. The steps to improve security for an EC2 instance are detailed. Updated June 2025.
AWS WordPress 1: Create EC2 Instance
This is the first post of a 6-part series to setup a WordPress website on AWS. The steps to create an instance on AWS are detailed. Updated June 2025.
Welcome to Cloaked Data App (version 2.1)
Champlin Technologies LLC is proud to announce the version 2.1 release of the Cloaked Data app for iPhone®, iPad®, Apple Watch®, and Mac®.
Be Swift: Date and Time
Coding for real-world apps is a humbling experience. In this post, the insanely complex rabbit hole known as date and time is explored using several Xcode playground examples. Updated: December 2021
A Collection of AWS EC2 Ubuntu Tips
There are tips and short-cuts that one learns while using an Ubuntu instance on AWS EC2 for development. Here is my growing list. Updated October 2021.
Be Swift: Using map and filter methods
In this post on Swift code topics, the elegance of using functions map and filter are described with several Xcode playground examples. Updated: September 2021.
A Collection of Xcode Tips
There are numerous Xcode tips and short-cuts that one learns during their journey along the app development path. Here is my growing list as of August 2021.
What’s in your toolbox?
As a person learns their craft, their choice of tools evolve becoming highly suitable, functionally precise, and artistic masterpieces in their own right. Updated: August 2021.
Welcome to Cloaked Data App
Champlin Technologies LLC is proud to announce the release of the Cloaked Data app for iPhone®, iPad®, Apple Watch®, and Mac®.
Be Swift: Localization and Internationalization
It only makes sense to develop apps that operate natively in the world's languages and their diverse cultures. In this post, we look at the steps to set up Xcode for app localization. Updated: December 2020
DARCI (Data Recording Instrument)
DARCI is a clinical data collection tool designed and built for SCRI. It measures differential pressure of air from -5 to 30 cm-H2O with a resolution of 0.05 cm-H2O at 125 samples/sec and records to an internal SD card.
The future of glass technology and apps
As a software developer for mobile device and high-tech appliances, I'm excited about the innovative display technologies and software highlighted in this Corning Glass video on the future of glass technology.
Git and GitFlow
For us, version management for all design files is performed under the Git framework with Git-Flow as the workflow model and SourceTree as the software tool. Remote repositories (i.e., origin) are located on github.
Software Development Best Practices
Having worked on some complicated systems with embedded software, I appreciate the list from this amazingly well-written paper on best practices in software development independent of software language.
App Developer Video – WWDC 2009
The story of four app developers are showcased during the WWDC 2009 keynote. It is this video that inspired me to start the journey to be an iOS app developer. I must have watched this video a hundred times.