A Powerful Generic TypeScript Function for Generating Valuable RAG Texts
August 20, 2023In a Nutshell: Given X, what’s the probability of Y occurring?
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How I Tried to Achieve $2000 MRR in 6 Months and Failed
July 1, 2023My story of everything I built, all that I tried, and how it all played out.
Tales from the Software Graveyard: The Birth and Death of Squawk Market
June 7, 2023My latest SaaS that launched and failed. Exploring all the software I built along the way!
Create a Dockerized Go Application - With a Cron Job, Slack Messaging, and Test the Whole Thing
May 25, 2023Docker, Golang, Cron Jobs, Slack messaging, AND Tests? Say no more, writing software doesn't get much better than this!
Craft a Stylish and Practical Developer Book with this LaTeX Template
May 4, 2023Leverage the powers of LaTeX and impress readers with your next-level developer book — example repository included!
My Third Indy SaaS Product: Squawk Market
March 13, 2023The best real-time & market-wide audio feed.
Goals for 2023
November 23, 2022Late November: that quite time of year between a busy fall and the start of winter. A great time for reflection and future plans. Looking…
Custom React Hook: Use Color on Mouse Move
November 16, 2022This powerful configurable hook returns a color based on the mouse's x and y coordinates.
Golang: A Powerful Generic Function to Make Any HTTP Request
November 11, 2022This function handles any HTTP request you can throw at it!
Simple One Time Password OTP Component for React Native
October 3, 2022No library needed, just a ~120-line component.
Test Driven Development and The Full Testing Pyramid in React and React Native
October 2, 2022Unifying Gherkin, Cucumber, Jest, Cypress, Detox for a one-stop full pyramid testing suite.
My Second Indy SaaS Product: Introducing Kurynt!
July 27, 2022The last tool you will ever need to manage third-party code.
Using tsc as a Codebase Doctor
July 15, 2022Introducing type-doc - a simple, opinionated tsc output parser
Full Stack Forays with Go and gRPC
June 13, 2022From Frontend to Backend: Using gRPC (Bonus: How to Use gRPC with React Hooks!)
One Year as the Chief Technology Officer at InClub
June 8, 2022Insights from startup land!
A Shell Script to Show the Source Code of Any Docker Tag
June 5, 2022Export the source code of any Docker tag!
Not Sure What to Title This...
May 6, 2022An Open Letter ⚠️ Language / rant warning in this one ⚠️ I'm struggling right now. I'm not sure if anyone needs to hear this (or even wants…
Deep Partials In TypeScript
March 21, 2022Perfect for mocking complex types in unit or integration tests!
Advanced Code Organization Patterns: The Case For One Function Per File
March 16, 2022Back to the basics with this pattern.
Get All Properties of a Type with this Fancy Utility Type
March 15, 2022Introducing... PropertiesOfType!
Converting a UTC DateTime to string and back again for quality API design in C# / .NET!
March 14, 2022A key design pattern when building proper APIs.
Recursively Assert All Properties Are Non-null Using Reflection
February 22, 2022A valuable method that can be used to improve testing strength.
Braiding, Combining, Zipping, or Merging Arrays in C# Generically
January 13, 2022A fancy technique for arranging API data.
Lesson 5: Further Reading
December 26, 2021Coming Soon
Lesson 5: Hooks Inside of Hooks?!
December 26, 2021Coming Soon
Lesson 4: The Birth of a Real Hook
December 26, 2021Coming Soon
Lesson 3: The Caveats
December 25, 2021Coming Soon
Lesson 3: Repository
December 24, 2021Coming Soon
Lesson 6: File Upload
December 24, 2021Coming Soon
Lesson 5: Caching
December 24, 2021Coming Soon
Lesson 7: Metrics
December 24, 2021Coming Soon
Lesson 8: Websockets
December 24, 2021Coming Soon
Lesson 2: A Simple, but Real Hook
December 24, 2021Coming Soon
Lesson 2: Model
December 23, 2021Coming Soon
Lesson 2: Service
December 23, 2021Coming Soon
Lesson 1: The CRUD Lexicon
December 22, 2021Create, Read, Update, Delete
Lesson 1: The ABCs of React Hooks
December 22, 2021React Hooks are like alphabet soup - it's easy as A, B, C!
Goals for 2022
December 21, 2021Whew... this year has been insane. I truly can't believe the new year is in just a handful of days! As just a breif overview of everything…
A Production Ready Jest Setup for React Native - All Mocks
November 8, 2021Every mock that you could possibly need is in this post.
Releasing Five Products in 2021, Part 2: moniter
November 7, 2021Both a free opensource npm tool, and an enterprise dashboard!
React with TypeScript: Optional Props with Default Values
October 10, 2021An Elegant Solution to a Common Problem
Introduction to TypeScript Generics: A Beginner's Guide
October 7, 2021Don't overlook them! Don't think they are too advanced for you!
🎃 Hacktoberfest 2021 Hype!
September 30, 2021One of my favorite ways to give back to the open source community - it only comes around once a year!
A Keyboard Avoiding View for React Native in 2021
September 22, 2021A Copy-and-Paste Solution that Supports all iOS and Android keyboards!
Converting a Large Create React App Project from JavaScript to TypeScript
August 21, 2021The TypeScript Addiction I'm working on a large industrial react project, scaffolded by create-react-app. The project was started in 2018, j…
A Retrospective on Coil and Combating Network Effects
August 20, 2021Results... less than stellar. 😞
TypeScript, Redux Toolkit, React Hooks, and Gatsby
August 3, 2021How to use the recommended Redux typings in harmony with your server side rendered frameworks.
Biking into Fission
July 19, 2021Just How Powerful are Our World's Power Plants?
Advanced TypeScript: A Generic Function to Merge Object Arrays
June 14, 2021Another powerful generic function from the SaaS product archives.
Advanced TypeScript: A Generic Function to Update and Manipulate Object Arrays
June 9, 2021Another fancy generic function of ultimate power!
I Applied to Five Senior Full Stack Software Engineering in Five Days
April 30, 2021A rant on getting jobs in the software world, but then actionable training materials and questions.
A React Hook to Animate the Page (Document) Title and Favicon
April 26, 2021Introducing react-use-please-stay: Animate the document title and favicon in your React projects with ease using this powerful hook!
One Hundred Posts Challenge
April 20, 2021...will I manage?
Let's Build a Snazzy Animated Sticky Footer For GDPR Compliance!
April 19, 2021Leveraging react-reveal, react-cookie, and Bootstrap styles.
Beware of CSV Copies in PostgreSQL Which Include a Primary Key!
April 18, 2021Slow COPY commands got you down? Try without the primary key!
Import a File as a Raw String in Gatsby or React
April 17, 2021...and how to create advanced code snippets with Gatsby or React!
Complex Color Patterns for Shell Prompts
April 1, 2021Letter-level alternating colors for bash and zsh shells.
Analyzing Park and Rail (P+Rail) Parking Availability Across The Entirety of Switzerland
March 30, 2021Both a big data analysis and a post-mortem critique of my participation in the START Hackathon.
Releasing Five Products in 2021, Part 1: The Wheel Screener
March 25, 2021Insights from the frontlines of a SaaS product release: an advanced cash secured put (CSP) and covered call (CC) options screener.
I'm Launching Five Profitable Products In 2021!
March 24, 2021The first has already been released and is profitable!
The Last Bitbucket Pipelines Tutorial You'll Ever Need: Mastering CI and CD
February 1, 2021An incredibly powerful tool that saves time, headaches, and much more!
Extending React Standard Types to Allow for Children as a Function
January 19, 2021Sorting or filtering child components? You've come to the right place!
Plug Time: Going Full Send on Teaching and Content Creation
January 18, 2021Let's Do This! 🚀 2021 is my year! Uh oh, I should probably avoid that phrase... we all know what happened in 2020 with too many people…
Goals for 2021
December 20, 2020Each year I set a set of goals or resolutions for the coming year, and also review and grade myself for the past year's goals. Here's that…
Data Challenge! Building a PBR Bottle Cap Card Deck!
December 19, 2020How many brews must be cracked open to build a full deck of 52?
.NET, NGINX, Kestrel, and React with a Reverse Proxy on Linux Ubuntu
November 30, 2020A bare-bones, 5 step tutorial.
My First Animated Blog Post!
November 27, 2020I've been thinking of making these animated blog posts. They're gonna be BIG, with BIG DATA, and to help with that, I'm gonna be adding…
C# .NET Core and TypeScript: Using Generics and LINQ to Secure and Filter Operations on Your JSONPatchDocuments
November 23, 2020Full stack: React with TypeScript frontend, .NET backend!
A Bit of Housekeeping: The Subscription Form is Back!
November 2, 2020Neglecting a simple functionality.
React and TypeScript: Generic Search, Sort, and Filter
October 27, 2020A step-by-step guide leveraging the awesome powers of TypeScript generics to implement reusable searching, sorting, and filtering.
Persist and Remember Page Scroll Position, i.e. window.scrollY Using React Hooks
October 11, 2020An elegant React hook gets the job done!
Auth0, Expo, and React Native: Authorization Code Grant Flow with PKCE
August 20, 2020One of the most devious software problems I've encountered in some time.
Back By Popular Demand: React + Redux + Shopify + TypeScript Boilerplate
July 21, 2020Now with TypeScript: Strongly typed E-commerce for all!
Web Monetization - Using Coil and Uphold to Combat the Network Effect
June 19, 2020Previously titled: "The Internet, Subscriptions, Big Winners, the Networking Effect, Makers & Creators, and Society Today"
Saving Images In Node.js: Using Fetch with arrayBuffer() and Buffer
June 4, 2020A quick example on the hurdles of binary buffers in JavaScript!
Introducing the Full Stack Typing Boilerplate: Once You ORM, You Can't Go Back!
May 12, 2020Featuring Typescript and Sequelize: share types between the front- and back- ends for ultimate development productivity.
Magento 2 IP Location Detection (GeoIP) and Store Context Control Using the ipstack API
May 6, 2020A full code solution with example repository to get you started with international stores!
Error and Failure Free - Connecting Zapier and PostgreSQL
April 14, 2020A Five-Step Tutorial as an Antidote to Incorrect Documentation
Goals For 2020
January 12, 2020Though it's only the second year of doing this, I really enjoy this yearly review and will likely be doing it for the forseeable coming…
A Single Bash Command To Simultaneously Run and Compile a CSharp (.cs) File
December 5, 2019Background: 2019 Advent of Code and Microsoft Troubles I've started the 2019 Advent of Code for this December! (This will be my first one…
NLP Champs is Dead, Long Live NLP Champs
October 18, 2019It Was... Inevitable... Like many hobby programming things I get into, my interests burn bright, then fade out fast (hint - it's the INTJ wa…
Welp, I Did It. I'm Still a Freelancer.
July 25, 2019Part II The promised post-mortem of Welp, I Did It. I Quit My Job. Some newer digital art of mine. Actually somewhat relevant to this story…
I quit Learning, Writing, and Being a Creative.
April 1, 2019I had a sudden epiphany today. All this extra learning in the directions of software engineering, upping my graphic design and vector…
Data Challenge! Rendering All 32,767 Invaders!
January 13, 2019This post is also published on Medium, if you prefer to read there, but it was posted here first. 😊 Results First, Technical Stuff Later I…
Goals for 2019
January 3, 2019Every Dev's Doing It! Blogging about their goals for 2019, of course! I find that making goals works best for me, as they are more concrete…
Interesting Monopoly Probabilities (To Defeat your Relatives For the Holidays!)
December 29, 2018Holiday Break = Monopoly (Logically) 😂 Ahhh, it's that :snowflake: time :snowflake: of year again - a break from work with lots of time…
New Data Tag
December 28, 2018There's a new '#data' tag here on my blog, since I've realized a lot of my projects labeled with the '#dev' tag are more specifically data…
It's My Blog's Birthday!
December 12, 2018Today is the exact Birthday Date of my Blog! If you go to my very first post, my 'Hello World - My First Post' post - you'll see the date is…
Oh The Horror! The Dreaded "WebpackError ReferenceError window is not defined"!
December 8, 2018The Root Issue If you're reading this in 2018, 2019, and 2020, the statement shown next to that error is likely an npm module that hasn't…
Simple Actions You Can Take Right Now to Improve the Environment and Combat Climate Change
December 7, 2018The motivation to write this post has come to me over the past few weeks as there has been another wave of scary environmental press from…
Jump to Web GUI Using SAPUI5 Or OpenUI5
November 23, 2018Jumping to the Web GUI from a SAPUI5 app can be helpful, since it will keep your user all in the same app (their browser), and they won't…
Run an Existing Magento 2 App with Homebrew Apache on MacOS in 2018 / 2019
November 19, 2018Originally published here, also published on Medium. So, I started working on a new Magento project with my boss this past weekend, and…
Want to Build a Blog Just Like This One? Now You Can!
November 17, 2018If you've been wondering about how the internals of my blog are built and developed, you can now learn it from me, step by step, from my…
A Detailed Tutorial - Shopify's Storefront API + React + Redux
November 7, 2018A Detailed Tutorial - Shopify's Storefront API + React + Redux
The Software Engineer's Social Contract
October 28, 2018This is going to be an ongoing bullet point of some of my own personal guidelines as a Software Engineer. They probably relate to most other…
Dynamically Assigning and Retrieving Variables- Both Named and Structured in SAP ABAP
October 12, 2018Dynamically Assigning and Retrieving Variables- Both Named and Structured in SAP ABAP
More Thoughts On Early Retirement, Financial Independence, and Making a Living That's Worth Living
October 11, 2018I've been generating ideas for this post for quiet a while, namely from the depressing nonsense I've seen thrown around our very own…
How to Convert RAW16 to CHAR22 Material IDs in SAP EWM (and vice-versa)
September 9, 2018How to Convert RAW16 to CHAR22 Material IDs in SAP EWM (and vice-versa)
Led Zeppelin Data Analysis for Lyric Generation and Inspiration
July 26, 2018***Note: this post is mirrored on NLP Champs: https://nlp-champs.chrisfrew.in/led-zeppelin-data-analysis-for-lyric-generation-and…
Welp, I Did It. I Quit.
July 25, 2018Thoughts of yet another full-time worker going full-time freelance / tinkerer / creative / nomad. ***Note: this post is mirrored on Medium…
Fully Automating Chrisfrew.in Productions - Part 4 of ??? - Building a Slack Bot
July 21, 2018Slack Bot! You may have read Part 3 of my giant automation undertaking about. Maybe not. Anyway, near the bottom of Part 3, I discuss a mes…
Fully Automating Chrisfrew.in Productions - Part 3 of ??? - Building a GitHub Webhook Monitor
July 20, 2018Background and Overview of this Technologically Amazing Accomplishment After a bit of thinking about my automation project, I settled on a…
Data Analysis and Pixel Art of Towns and Cities in Pokemon
July 15, 2018Over the past few days, I've done some data analysis, scripting, and art with the 20 towns and cities from Pokemon Gold. The results were…
Fully Automating Chrisfrew.in Productions - Part 2 of ??? - Building a Node.js Server Monitor
May 11, 2018In my attempt to automate my suite of websites, I wanted to build a simple Node.js server that monitors all my live sites, and sends me an…
Fully Automating Chrisfrew.in Productions - Part 1 of ??? - Roadmap and Links to Entire Process
May 10, 2018Before I get into the description, you may be here just to get the links. Well, scroll no further: Part 1 of ???: This post. 😂 Part 2…
Warn SAP Users of Locked Objects Then Kill Their Session
May 9, 2018SAP users lockin' up your objects? We're gonna write an ABAP report and run it as a batch job to :robot: Automatically :robot: get rid of…
Using Google Cloud's Text To Speech Machine Learning API
April 14, 2018I'm torn most of the time about using Google Cloud APIs - on one hand, they are a group of some of the best APIs on the web today - the…
Some Tasty Bash Profile / Bashrc Commands To Make Your Life Better
April 9, 2018This post is gonna get right to it - if you use machines that have a Bash terminal, you should build custom aliases to get around faster…
How to Create Posts That Reach the Top of the Front Page on Subreddits (And How I Created Two of Them for /r/wallstreetbets)
April 8, 2018So, here are the two meme posts, in all their glory, the first of which is a Robinhood (albeit grim) Parody: Reddit Response: The second…
I Set Aside $1000 to Learn Options Trading
April 7, 2018Whew. It's been over a month since my last post! This is mainly because of some of the projects I've been working on; so rest assured there…
Introducing My (New / Same?!) Company chrisfrew.in! (and how to change your DBA name)
March 1, 2018Hello there! In March of 2018 I streamlined my business process from my old doing business as (DBA) startup, Siren Apparel (it's still…
How to be an American living in Austria and working in Liechtenstein
January 17, 2018Hey, Want to be an American living in Austria and working in Liechtenstein? Look no further! This is a detailed how-to guide on applying and…
Colors For SAP Web IDE!
January 11, 2018At some point, SAP took away my Monokai Color scheme from the SAPUI5 Web IDE! That is unforgivable... Don't worry - code to the rescue! I…
Calculating Activity Amounts for Production and Process Orders with SAP ABAP
January 3, 2018Edit June 1st, 2018: There was ANOTHER issue with this code! There is something you need to add if you want to book custom goods movements…
Debugging ABAP Code with a SAP Shortcut - A Must-Have Tool!
December 27, 2017This is a Must-Have Tool for any ABAP Developer! Did you ever find you wanted to debug something in SAP GUI right on a certain command or…
An NPM Christmas Easter Egg
December 24, 2017No, It's not Easter for Christmas... It's a quick surprise for those celebrating christmas from npm! Simply issue npm xmas in your terminal:…
Dropdowns in Markdown README's!
December 22, 2017HTML in Markdown!? Well, it's a little known fact (at least it was for me) that you can use native HTML tags are supported in Markdown…
How to Link to Lines of Code in a Github Repository!
December 19, 2017This'll be a real short one; I just learned you can link to specific lines of code on GitHub! All you need to do is find your link to the…
My Laptop Stickers Arrived! Am I a Real Developer Now?!
December 19, 2017Nothing shows others better that you are a humble, totally epic developer, than putting really cheap stickers on your really expensive…
My First and Final Statement on Bitcoin for this Blog
December 18, 2017Lots of words have been thrown around Bitcoin recently. Tulip Madness. Silk Road. Ponzi Scheme. While this blog will (rest assured) remain…
Sending Windows Server Commands From SAP ABAP
December 13, 2017Alright, let's do a bit of applied stuff today. For a long time, I had a ticket open for our IT team (I am likewise in the SAP team) for an…
A Toast to Full Stack Developers
December 12, 2017Warning everyone - this is a bit of rant post - but I hope some of you will agree and we can turn the tables of a stubborn community a bit.…
Hello World - My First Post :)
December 11, 2017I'll be writing here for sometime into the future now, though I'm not sure how often, as I'm rather busy with the work for NLP Champs and Sk…