José Thomaz articles - 46 total
Using NoSQL Features in PostgreSQL
Do you really need to use NoSQL databases? Or can a relational database satisfy your semi-structured...
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Diagnosing and fixing critical PostgreSQL performance issues: A...
Forecasting the Dollar rate with Python
Why is it so hard to forecast the Dollar rate? An attempt with...
Why is it so hard to forecast the Dollar rate? An attempt with Python
As a Brazilian working for a foreign company, I'm always keeping an eye on the USD to BRL exchange...
Benchmark: Snowflake vs UUIDv4
This benchmark compares the performance of Snowflake and UUID. It was built using Go, Docker, SQLx,...
Math for Devs - Gambler's fallacy and Monte Carlo Simulation
Understanding the Gambler's Fallacy The Gambler's Fallacy, often referred to as the Monte...
Fastify + NestJS file upload
We all know that Fastify is faster than Express, and for this reason, many people are switching from...
Speed up your PostgreSQL bulk inserts with COPY
Have you ever had the task of migrating data from one database to another? Or even from one table to...
Math for Devs - Birthday Paradox for random data generation
The Birthday Paradox is a fascinating mathematical phenomenon, and it has significant implications...
Math for Devs - Encryption Essentials
Encryption is something that we use extensively in computer science. It's an indispensable technique...
Audio Embeddings: Understanding the basics
In the age of Artificial Intelligence, Large Language Models, and Natural Language Processing (NLP),...
Partitioning Large PDF Files with Python and Unstructured.io
When dealing with large PDF files, it can often be beneficial to break them down into smaller, more...
Math for Devs - Cosine Similarity in Python
In this article you will learn what is cosine similarity and how to calculate it using Python. ...
Learn Scala in 5 minutes
Scala, an acronym for "Scalable Language," is a high-level programming language that combines...
Math for Devs - Introduction for Information Theory
Information Theory is a branch of mathematics that has many applications in the field of computer...
What is a vector embedding?
If you are at the beginning of your machine learning studies, you probably already read the term...
Quick notes on smart contracts
A smart contract is a contract with aditional blockchain features. It is a computer program or a...
Add ChatGPT to Your Website: Boost UX and Engagement
Revolutionize your website by incorporating ChatGPT, OpenAI's impressive language model. In this...
Fight against your Ego!
"The first principle is that you must not fool yourself - and you are the easiest person to fool." ...
Measuring your code complexity
Wrote some code and want to know if it's good? If it's testable, maintainable, and "clean"? ...
Vector Databases
With the rise of AI, vector databases are becoming more popular. But what exactly is a vector...
How NLP works under the hood?
Natural Language Processing (NLP) is a subfield of artificial intelligence that deals with the...
Math for devs - Relational Algebra
Do you remember set theory? A math topic that you probably learned in elementary school, revisited in...
Math for devs - Sum and Product Notation
You probably already saw the following notation: ∑i=1ni(i+1) \sum_{i=1}^{n}...
Please, give me a feedback
When you are doing something, you probably want to know if you are doing it correctly, and if not,...
Tips for being a better Software Engineer
Recently I finished reading a pretty good engineering book, so I decided to write an article about...
Understanding Database Replication
Imagine you are a software developer at a big e-commerce company and "Black Friday" is coming soon,...
Benchmark: Prisma VS TypeORM
Prisma and TypeORM are possibly the main ORM choices for the JavaScript ecosystem in 2022, so I have...
Functional programming: a bit of history
History of functional programming Functional programming is a programming paradigm, such...
Introduction to Text to Speech and Speech Recognition using React-native
As technology advances, new problems come, so, new solutions are developed. Text and Voice solutions...