Blog Posts

As an adult learner, I have some advantages in disguise such as business acumen, expertise in dealing with consumers, knowing what is more important to my life and everyone else. The below posts are my observations and insights in my learning journey here and there. Any constructive feedback is appreciated and I thank you for your time!

I regularly revise the entries on this blog in an effort to enhance clarity and cultivate original thoughts. Please feel free to circle back to a topic that you are interested in, it might read different from your last visit.

NLP

Rasa gets complicated easily

Rasa was the first choice due to data privacy and cost and scalability.

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Machine Learning

How Math Empowers NLP in spaCy

Learn how vectors, probability, and matrix operations drive machine learning in spaCy.

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Linguistics

Connecting Linear Algebra with Linguistics

Discover how eigenvectors and embeddings support language understanding.

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KPIs

What Are KPIs and Why Do we Care ?

In order to compare how things work, like faster than each other, we always have to use metrics for measurement.

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Incorrect Analysis

How To Spot Your Mistake In Analysis

We make mistakes along the way, thus, there should be a checklist we follow to minimize those errors as much as possible.

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Getting Good at New Skills

In this crazy era of AI an tech stack booming, self teaching is a huge asset

It's more important now than ever to have this skill: self learning and self advising.

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The Generalist Way - The Stategist Way

If I were this company's CTO, what tech stack I have to execute today?

Since 21, I was the acting CEO of companies that I worked for. Even though some of them are with limited members, LLC. aka small businesses, I always have to think about the future of the business which leads an end-to-end map for any project.

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Just another planned workflow

An insurance broker CRM

Ecommerce platform did give me some hints about more complex workflow.

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Coaching Myself to Write again

Synergizing Linguistic skills

Strong writing and speaking skills allow us to clearly communicate complex ideas, inspire trust, and influence decision-making, which hints standing out as a leader, a strategist not just a doer. In a world overflowing with data and noise, those who articulate value with clarity rise much faster than ever before.

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Always in Interview-Prepping Mode

Lets Nail the Interview

Inspired by Megan Liu, I turned her priceless tips for data position interviews. Jotting down these strategies for all projects would assist me in creating a framework or bible of my future work.

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Strategist

I never recognized my real passion to be a strategist

When I built my own startup, managed a large portfolio, and guided people through challenging times, I thought I was simply solving problems. In reality, I was practicing strategy—analyzing patterns, anticipating risks, and aligning resources for long-term success.

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In minutes we can create some simple apps now

Parents are the first teachers ever

This app is designed to help children learn Vietnamese through interactive videos, handwriting with a stylus, pronunciation practice, and playful reading and writing exercises.

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Teaching myself Testing Automtation

When AI writes code, testers write confidence

Resilience is built, not hyped: testing, governance, and evidence are the bedrock.

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The theoriests were traumatized by too much theories

Asian students did not have many opportunities to have on hand practice

As a milennial in Asia, we loved notebooks and pencils, not crucible thongs or keyboards. This has been changed via the years, thanks God!

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Generalist or Specialist?

Generalist is not Jack of all Jades

If anyone ever wonders why I was hopping in and out of industries, which I double if there would be; I would say it was out of curiosity, and to live my life as I was meant for it, that's all.

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Are we relying on a fragile alien world of AI agents?

Would there ever be the time then when AI bubble burst?

Too Much, Too Fast: The Risk of an AI Hype Collapse.

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Conceptual Mediation

A Critical Cognitive Skill underpinning Effective Strategy Execution

Why Breaking Down Hard Concepts Is the Ultimate Brain Training

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Why DSA in Maching Learning

Computer Science and Math and AI

DSA: The Unsung Hero Behind Machine Learning Efficiency

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ML Pillars

Computer Science and Math and AI

To master Machine Learning, you need three core mathematical tools: Linear Algebra, Advanced Calculus, and Optimization Theory. Let’s explore them individually, starting with Linear Algebra

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Wanna Pivot but dont know how

Procrastination, sounds familiar right?

How to Get Exceptionally Productive—Borderline Legendary

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Architect

A strategist look at the Minutiae

As a math born, I once wondered why coding felt different. I later realized my strength lies in strategic thinking—a skill that complements coding rather than competes with it.

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How To Focus

How to be become an expert in anything that you do?

In childhood, we were taught to study well, in order to get a good job. Then at some point in life, we wonder: how to get good at anything we do. Then it boils down to how we focus and building muscle memory for that task.

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When Everyone Talks about Machine Learning

As a big picture thinker, I made this table to plug and play with the concepts in machine learning's foundational stuff.

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SVM: Pruning Data Into Clean Boundaries

Like a gardener shaping branches, an SVM trims and adjusts until the boundary is clean, balanced, and true. This page shows every cut it makes, live.

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Machine Learning - Dimension Reduction

Geometric visualization

PCA’s geometric meaning: PCA finds the line that best preserves the spread of the data, and projection collapses the dataset onto that line.

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Passion is a damn hard thing to figure!

If I could give my 15-year-old self one piece of advice, It would be this: Don't chase the hype. Stay close to the things you're naturally better at than others.

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If science is to find the new correct way

Then News is to find truth

Science and Journalism: Both Start with Facts, Then Seek the Alibi.

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Fit or unfit?

Ever wonder how fit in ML is different than what humans do

When We’re Born, We Learn Patterns and Fit—Sound Familiar? So Do Machines.

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RAG and Things

Sharing knowledge on Social Media? Yes but.. only with the right mindset.

This article is what I learned about RAG when coming across online silly debating contents around it.

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Business Intelligence

Prior to my first startup, I barely noticed how cashflow would lead the trajectory of the businesses

This time, if I have a new start up, business intelligence analysis would be the first thing I would do.

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How to Peak

A different look at peak and flow

Ever wonder how some people achieve our maximum potential at the very young age? Even wonder how we can heal?

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How to Peak

Strategic Look at Geopolitics

What the hell is going on?

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Zen

Astrophysics

Am I attracting the univeral energy?

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