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AI Illustrated Series
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AI Illustrated Series

Illustrated hardcore tech: AI, agents, algorithms, databases—one picture worth a thousand words.

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Recent Articles

Latest from AI Illustrated Series

26 recent articles
AI Illustrated Series
AI Illustrated Series
Feb 13, 2024 · Backend Development

Which Go Web Framework Reigns Supreme? A Deep Comparative Analysis

This article systematically compares the most popular Go web frameworks—Beego, Buffalo, Echo, Gin, Iris, and Revel—by evaluating their popularity, learning curve, routing capabilities, middleware ecosystems, server features, session handling, template engines, testing support, and other core functionalities, complete with concrete code examples.

ComparisonRoutingWeb Framework
0 likes · 14 min read
Which Go Web Framework Reigns Supreme? A Deep Comparative Analysis
AI Illustrated Series
AI Illustrated Series
Feb 9, 2024 · Information Security

Why Does a POST Sometimes Send Two Requests? A Deep Dive into CORS Preflight

This article explains why browsers may issue a duplicate POST request by exploring the same‑origin policy, the mechanics of CORS, the criteria for simple requests, the structure of preflight OPTIONS requests, credential handling, and how development tools like Webpack Dev Server bypass these restrictions.

Browser securityCORSCross-Origin
0 likes · 13 min read
Why Does a POST Sometimes Send Two Requests? A Deep Dive into CORS Preflight
AI Illustrated Series
AI Illustrated Series
Feb 7, 2024 · Databases

Why Store IPv4 Addresses as UNSIGNED INT in MySQL? Space, Speed, and Queries Explained

Storing IPv4 addresses as a 32‑bit UNSIGNED INT instead of VARCHAR saves storage space, reduces index size, enables faster range queries, and leverages MySQL’s built‑in INET_ATON/INET_NTOA functions, while the trade‑offs include reduced readability and the need for conversion code, as demonstrated with benchmarks and Java examples.

INET_ATONIP address storageJava
0 likes · 5 min read
Why Store IPv4 Addresses as UNSIGNED INT in MySQL? Space, Speed, and Queries Explained
AI Illustrated Series
AI Illustrated Series
Nov 16, 2023 · Fundamentals

Unlocking Go’s Secrets: nil, context, slices, maps, and concurrency primitives

This article provides a comprehensive, step‑by‑step analysis of Go’s core concepts—including nil handling, the context package, string and rune internals, unsafe pointers, memory alignment, WaitGroup, semaphores, channels, slices, map implementations, sync.Map, garbage collection, and reflection—illustrated with concrete code examples and detailed reasoning.

ConcurrencyContextGarbage Collection
0 likes · 30 min read
Unlocking Go’s Secrets: nil, context, slices, maps, and concurrency primitives
AI Illustrated Series
AI Illustrated Series
Jul 28, 2022 · Backend Development

How to Ensure Distributed Transaction Consistency Using Message Queues

This article analyzes the challenges of distributed transactions in multi‑node systems and compares various solutions—including 2PC, 3PC, TCC, Saga, local message tables, and MQ‑based approaches—detailing their mechanisms, trade‑offs, and practical implementations with concrete examples from order and cart services.

2PCKafkaMessage Queue
0 likes · 19 min read
How to Ensure Distributed Transaction Consistency Using Message Queues