Blog : The Algorithmist

Reactive, Data-Driven Finite State Machine

TL;DR – This project is open source and the following description is rather long. It is also largely a repeat of information found in the Readme file on Github. So, if you are anxious for code, then fast-forward…
Angular Dev Toolkit Sequencing Engine

This is a follow-up to my post about Decision Trees and the process of replacing complex (and static) logic in programs with a data-driven methodology. A single decision tree can be a valuable tool, but as…
Angular 5 Graphing Component

I often work on highly interactive applications and components, the constituents of which are often difficult to test and demonstrate outside of some sense of position in a physical space. The space must be represented in a…
Angular 4 and ngrx/store

Well, it’s been a long time since the last post As you might guess, I’ve been rather busy, so I’ll keep this one short. A new Angular 4 example is now on my Github. This one…
Typescript Math Toolkit Expression Engine

I began work on this project late last year and intended to open-source an alpha in early 2016. However, a very bad car accident has shifted all my plans out four to five months. I have…
Typescript Math Toolkit Data Structures Library

I’ve been busy with a new gig as of late, so accept my apologies for reduced post frequency. The Typescript Math Toolkit data structures library is intended to support algorithms provided in the toolkit. The code,…
Typescript Binary Tree Library

The alpha version of the Typescript Math Toolkit binary tree library is now available on Github. There is a good writeup on the code at the repo, so I’ll simply provide the link here. https://github.com/theAlgorithmist/TSBinaryTreeLibrary Enjoy…
Angular 2 Spreadsheet-Style Analytics

Most of my micro-application projects derive from a combination of ‘how to’ questions and personal experimentation. This one is no different. The issue of how to initialize a 2D tabular display in an Angular 2 template came…
Minimizing Worst-Case Complexity

I recently received a very interesting submission to the Typescript Programming Test Problems Repo. The problem was given to a senior developer as part of a homework exercise in which he was supposed to analyze the…
Angular2 CLI, Lazy Loading, and AOT Compilation

Lazy-loading of routes is directly supported in the current Angular platform and they are very easy to organize with NgModules. Additional performance benefits may be realized from the platform by employing AOT (Ahead Of Time) compilation of…
A Complete Angular2 Micro-Application With Lazy-Loaded Routes

Most of my prior Angular 2 demos focused on one or two specific features of the platform and/or integration of third-party code with an Angular 2 application. Since lazy-loading of routes is an important consideration for…
Angular 2 Routing and NgModule

I’m in the process of updating the Angular 2 Three Stooges Tribute demo (that covered how to use the component router and implement your own Redux-style model) to the production release and a full-stack implementation. The…

Angular 5, Typescript, and Deep Learning

One of the coolest tools to be introduced in the recent spate of those targeted to the deep learning community is Google’s DeeplearnJS. Although there are some good introductory examples on the site, little exists on…

Reactive, Data-Driven Finite State Machine

TL;DR – This project is open source and the following description is rather long. It is also largely a repeat of information found in the Readme file on Github. So, if you are anxious for code, then fast-forward…

Angular Dev Toolkit Sequencing Engine

This is a follow-up to my post about Decision Trees and the process of replacing complex (and static) logic in programs with a data-driven methodology. A single decision tree can be a valuable tool, but as…

Using a Redux-style Store in Angular 2

Posted by theAlgorithmist on June 9, 2016

I started working with React before Angular 2 and continue to appreciate the technology even though I’m pretty much 100% dedicated to Angular 2 at this time. One of the early benefits of my venture into…

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Tags: Angular2, AngularJS, Javascript, Programming, Typescript

Angular 2, Typescript, D3 Bar Chart

Posted by theAlgorithmist on May 2, 2016

I wanted to do something a bit different for the next set of Angular2 and Typescript demos. Since I have not used D3 in a while, I thought it would be interesting to start up a…

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Tags: Angular 2, Angular JS, D3, Typescript

Angular 2/Typescript Advanced Form Validation

Posted by theAlgorithmist on April 22, 2016

Like many devs, I have somewhat of a love/hate relationship with forms. Forms are not sexy. Forms do not involve complex, programmatic animation, business logic, or sophisticated interaction, at least on the surface. Yet, forms can…

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Tags: Angular 2, Angular JS, Javascript, Programming, Typescript

Create a Reusable, Custom Angular 2 Pipe

Posted by theAlgorithmist on April 9, 2016

Angular 2 provides a wide variety of pipes – these were called filters in Angular 1.x – for custom display of data. Of course, if you have been in this business long enough, eventually an application…

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Tags: Angular2, Math, Programming, Typescript

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Jim Armstrong::Mathematician, Algorithmist, Programmer