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Alex Xu is a software engineer…
Articles by Alex
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Explaining 9 types of API testing. 🔹 Smoke Testing This is done after API development is complete. Simply validate if the APIs are working and…
Explaining 9 types of API testing. 🔹 Smoke Testing This is done after API development is complete. Simply validate if the APIs are working and…
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How Netflix Built a Distributed Counter? A Distributed Counter is a system where the responsibility of counting events is spread across multiple…
How Netflix Built a Distributed Counter? A Distributed Counter is a system where the responsibility of counting events is spread across multiple…
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A Simplified Git Workflow Learning Git is one of the fundamental skills for every developer out there. Here are the steps within a simple and basic…
A Simplified Git Workflow Learning Git is one of the fundamental skills for every developer out there. Here are the steps within a simple and basic…
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HTTPS, SSL Handshake, and Data Encryption Explained to Kids. HTTPS: Safeguards your data from eavesdroppers and breaches. Understand how…
HTTPS, SSL Handshake, and Data Encryption Explained to Kids. HTTPS: Safeguards your data from eavesdroppers and breaches. Understand how…
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Virtualization vs Containerization Virtualization creates multiple VMs on a single physical server, each with its operating system, using a…
Virtualization vs Containerization Virtualization creates multiple VMs on a single physical server, each with its operating system, using a…
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Which latency numbers you should know? Please note those are not precise numbers. They are based on some online benchmarks (Jeff Dean’s latency…
Which latency numbers you should know? Please note those are not precise numbers. They are based on some online benchmarks (Jeff Dean’s latency…
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How to Learn Backend Development? Backend Development requires knowledge of multiple aspects. Here’s a mind map of what all things a developer…
How to Learn Backend Development? Backend Development requires knowledge of multiple aspects. Here’s a mind map of what all things a developer…
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After 6.5 incredible years leading technology at Amazon Payment Services, I am taking up a new internal career opportunity. 5 invaluable lessons…
After 6.5 incredible years leading technology at Amazon Payment Services, I am taking up a new internal career opportunity. 5 invaluable lessons…
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Top Software Architectural Styles. The method to download the high-resolution image is available at the end. In software development…
Top Software Architectural Styles. The method to download the high-resolution image is available at the end. In software development…
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Design Patterns Cheat Sheet The cheat sheet briefly explains each pattern and how to use it. What's included? - Factory - Builder -…
Design Patterns Cheat Sheet The cheat sheet briefly explains each pattern and how to use it. What's included? - Factory - Builder -…
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How Do Companies Ship Code to Production? Here are 11 steps from planning to production: 1 - The Product Owner starts the entire process by…
How Do Companies Ship Code to Production? Here are 11 steps from planning to production: 1 - The Product Owner starts the entire process by…
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Software Architect Knowledge Map Becoming a Software Architect is a journey where you are always learning. But there are some things you must…
Software Architect Knowledge Map Becoming a Software Architect is a journey where you are always learning. But there are some things you must…
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Two years ago today, I founded DataExpert.io! It has been a wild journey since then! We have: - 2500 paid students through boot camps - filmed…
Two years ago today, I founded DataExpert.io! It has been a wild journey since then! We have: - 2500 paid students through boot camps - filmed…
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Can a web server provide real-time updates? An HTTP server cannot automatically initiate a connection to a browser. As a result, the web browser…
Can a web server provide real-time updates? An HTTP server cannot automatically initiate a connection to a browser. As a result, the web browser…
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How Amazon S3 Works? This post is based on 1. AWS re:Invent 2023 - Dive deep on Amazon S3 video 2. Building and operating a pretty big storage…
How Amazon S3 Works? This post is based on 1. AWS re:Invent 2023 - Dive deep on Amazon S3 video 2. Building and operating a pretty big storage…
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