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Better Programming

HTTP/2 and GRPC: The De Facto for Microservices Communication

HTTP/2 and gRPC allow faster, simpler, and more robust communication between microservices. But have you ever wondered why we use this tech

10 min readApr 4, 2022

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HTTP/2 and GRPC: The De Facto for Microservices Communication

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Truong Nguyen
in
Level Up Coding

Getting Started with Airflow - Why Backend Engineers Should Use It

Most people associate Airflow with Data Engineering, but Backend Engineers should also be familiar with it. It can simplify your daily…

5 min readMar 22, 2024

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Getting Started with Airflow - Why Backend Engineers Should Use It

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Truong Nguyen
in
Better Programming

Pitfalls of Multithreaded Programs and Achieving Thread-Safety Using Go

Ever wondered why Node.js single thread?

12 min readJul 16, 2022

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Pitfalls of Multithreaded Programs and Achieving Thread-Safety Using Go

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Truong Nguyen
in
Level Up Coding

Difference between Process and Thread

In this article let’s review a very popular interview question: what is the difference between Thread and Process and the reason behind it.

6 min readMay 25, 2022

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Difference between Process and Thread

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Truong Nguyen
in
Better Programming

Implement a Passwordless Authentication App With WebAuthn

Understand the passwordless authentication mechanism with this hands-on tutorial

11 min readMar 28, 2022

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Implement a Passwordless Authentication App With WebAuthn

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Truong Nguyen
in
Level Up Coding

FIDO WebAuthn Passwordless: Let’s go bananas!

For a long time, passwords have been an obvious authentication method. In this article, let’s see what is the issues with passwords…

8 min readFeb 10, 2022

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FIDO WebAuthn Passwordless: Let’s go bananas!

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Truong Nguyen
in
Better Programming

Invalidating All User Sessions With Rails and Devise Gem

Let’s figure out how we can terminate all sessions of a user from the Backend to handle Backchannel Logout requests from IdP.

3 min readJan 26, 2022

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Invalidating All User Sessions With Rails and Devise Gem

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Truong Nguyen
in
Better Programming

Managing User Sessions and OpenID Connect Logout

A deep dive into four OpenID connect logout specification

7 min readJan 20, 2022

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Managing User Sessions and OpenID Connect Logout

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Truong Nguyen
in
Geek Culture

Unintended Impact of Blocking Third-Party Cookies on Identity use cases

Browsers have introduced several security measures to protect user privacy regarding tracking user activity in the internet. Initially…

8 min readJan 10, 2022

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Unintended Impact of Blocking Third-Party Cookies on Identity use cases

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Truong Nguyen
in
Level Up Coding

Best OAuth Security Practices for Single Page Applications

How can we make the OAuth flow secure in Single Page Applications (SPA)? In this article, let’s find out what is the potential threats…

10 min readDec 30, 2021

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Best OAuth Security Practices for Single Page Applications

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Truong Nguyen

Truong Nguyen

SWE from Tokyo, Japan. I write about Microservice, Blockchain, Fullstack, and fundamental CS knowledge which I skipped in class.

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