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Web Development

Webpack and Frontend Build-Time Performance Engineering for React

This article explores webpack, focusing on ways to investigate the build-time performance of webpack for your React apps. First, we cover the items that can affect build-time and runtime performance. Next, we’ll explore profiling tools for CPU and memory usage and how to use them. We’ll then delve into webpack bundles and how to analyze […]

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Machine Learning and AI Web Development

Creating a Data Pipeline for Analytics, AI/ML, ChatGPT

Initially, this was going to be an article on how to use specific tools for an AI data pipeline and how to train a particular machine-learning model. However, the concepts of data engineering and the data pipeline are essential. While some of the tools will be used across projects and companies, many will not, so […]

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Blockchain Smart Contracts

Smart Contracts for Cosmos Blockchain

Writing smart contracts with Rust and CosmWasm for Cosmos blockchains is fun to do.

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Machine Learning and AI

Machine Learning Basics with Ludwig

We’re going to walk through the basics of machine learning and applying it to the problem of email spam prediction. We are going to do this by loading training data sets, building a few machine learning models and then checking their performance on test data sets. The data sets we are using are small enough […]

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Project Management

SCRUM Methodology

For project managers who are training in SCRUM agile, here is a reference. In SCRUM user stories are added to a product backlog, which are organized and prioritized by the product owner into a sprint backlog. The work that needs to be done is in that sprint backlog and is worked through and checked on […]

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Project Management

Getting Things Done with Process Design

In this article we consider how to design better processes (such as business processes) and contemplate alternatives to a business process that will achieve certain criteria. Process design is a way to examine business (and personal) processes for efficiency and effectiveness. It’s way to get things done. Process design is something that not enough people […]

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Project Management

Coaching as a Team Leader

This article emphasizes the crucial role of a team leader as a coach and mentor to their team. I provide clear examples of different scenarios and draw attention to the critical differences between the “coach” and “fixer” mindsets that leaders can adopt. While this guidance applies to other management and leadership positions, I specifically focus […]

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Web Development

Reactive Programming with JavaScript, Ruby and Python

Reactive programming is a concept that is finally gaining some popularity among programmers. It makes it easier to think in data flows and to manage and work with them. Instead of imperative programming, you’re thinking about code as a series of processes that take place on streams. This is similar to the conceptual shift to […]

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Web Development

Speeding up Ruby on Rails Tests and RSpec

There comes a time in the life of every Ruby on Rails project where you and your team will end up with long running tests. Rails tests can contain factories, fixtures and lots of setup procedures before tests are executed, and all of these can contribute to major slowness in the test runs. I’ve seen […]

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Web Development

GraphQL with MongoDB using Mongoose and Node.js

As part of a prototype/exploratory project in March 2016, I explored how to build a GraphQL server using Node.js and interfacing with a MongoDB database using the Mongoose library. The best reason to use GraphQL is if you have multiple frontend clients that communicate with your backend and they each have differing data needs. For […]