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Su San Talks Tech
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Su San Talks Tech

Su San, former staff at several leading tech companies, is a top creator on Juejin and a premium creator on CSDN, and runs the free coding practice site www.susan.net.cn.

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Recent Articles

Latest from Su San Talks Tech

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Su San Talks Tech
Su San Talks Tech
May 7, 2026 · Artificial Intelligence

DeepSeek’s New Claude‑Code‑Style Terminal Agent: An Open‑Source Rust Project

An open‑source Rust‑based terminal agent for DeepSeek V4, dubbed DeepSeek‑TUI, offers Claude‑Code‑like capabilities such as file manipulation, shell execution, git management, parallel sub‑task scheduling, side‑git rollback, and LSP diagnostics, and has quickly attracted thousands of stars and active community contributions.

AI codingDeepSeekLSP
0 likes · 5 min read
DeepSeek’s New Claude‑Code‑Style Terminal Agent: An Open‑Source Rust Project
Su San Talks Tech
Su San Talks Tech
May 6, 2026 · Backend Development

11 Essential Redis Use Cases Every Backend Engineer Should Know

This article walks through eleven practical Redis scenarios—from classic caching and distributed locks to rate limiting, leaderboards, timelines, social graph operations, lightweight queues, Bloom filters, hash‑based object storage, unique‑counting, and delayed tasks—providing code samples, advantages, drawbacks, and when to apply each pattern.

CachingRate LimitingRedis
0 likes · 15 min read
11 Essential Redis Use Cases Every Backend Engineer Should Know
Su San Talks Tech
Su San Talks Tech
May 6, 2026 · Information Security

What Is Prompt Injection? Attack Vectors and Defense Strategies

The article explains that Prompt injection is a new LLM security threat where attackers blur the line between instruction and data, outlines direct and indirect injection techniques—including command overriding, role‑play jailbreaks, encoding obfuscation, and multi‑turn attacks—and proposes a defense‑in‑depth framework with input filtering, prompt design, output validation, least‑privilege architecture, and specialized safeguards for RAG and agent scenarios.

AI safetyAgentDefense in Depth
0 likes · 15 min read
What Is Prompt Injection? Attack Vectors and Defense Strategies
Su San Talks Tech
Su San Talks Tech
May 5, 2026 · Databases

Alibaba Interview: Key Considerations for Indexing Tens‑Millions‑Row Tables

The article explains how to safely add indexes to a tens‑of‑millions‑row MySQL table, covering lock duration, disk‑space impact, write‑performance degradation, and six practical principles—selective columns, proper order, covering indexes, avoiding redundancy, short‑lock tools, and ongoing monitoring—plus pros, cons, and suitable use cases.

Large TablesOnline DDLgh-ost
0 likes · 10 min read
Alibaba Interview: Key Considerations for Indexing Tens‑Millions‑Row Tables
Su San Talks Tech
Su San Talks Tech
May 3, 2026 · Databases

How to Speed Up a 10‑Table JOIN Query in MySQL (JD Interview Scenario)

When a production MySQL query joins ten tables and exceeds 30 seconds, a systematic approach—starting with EXPLAIN analysis, profiling, and configuration checks—combined with layered optimizations such as indexing, join order adjustment, query splitting, temporary tables, materialized views, OLAP engines, and vertical partitioning—can dramatically improve performance.

JoinOLAPPerformance tuning
0 likes · 17 min read
How to Speed Up a 10‑Table JOIN Query in MySQL (JD Interview Scenario)
Su San Talks Tech
Su San Talks Tech
May 2, 2026 · Artificial Intelligence

Why GPT-Image-2 Outshines Nano Banana in Every Way

The article reviews the full release of GPT-Image-2, showcases dozens of Chinese prompt examples that generate travel guides, recipe flowcharts, scientific infographics, portrait photography, and Chinese‑style posters, and distills five practical prompt‑engineering rules while linking to a popular GitHub prompt repository.

AI image generationChinese promptsGPT Image 2
0 likes · 18 min read
Why GPT-Image-2 Outshines Nano Banana in Every Way
Su San Talks Tech
Su San Talks Tech
Apr 29, 2026 · Artificial Intelligence

Why VSCode + Claude Code Is a Game‑Changer for AI‑Powered Coding

This guide walks through installing, configuring, and using the Claude Code extension in VSCode, highlighting its context‑aware features, multiple editing modes, effort levels, command shortcuts, and how it outperforms the older IDEA plugin.

AI coding assistantClaude CodeIDE extension
0 likes · 6 min read
Why VSCode + Claude Code Is a Game‑Changer for AI‑Powered Coding
Su San Talks Tech
Su San Talks Tech
Apr 29, 2026 · Artificial Intelligence

10 Essential AI Prompt Templates Every Programmer Should Use

The article explains why well‑crafted prompts are crucial for AI‑assisted programming, introduces the STAR principle for prompt design, and provides ten ready‑to‑use prompt templates covering requirement analysis, test generation, code explanation, refactoring, debugging, performance tuning, SQL design, documentation, architecture review, and language translation.

AI promptingJavabackend
0 likes · 12 min read
10 Essential AI Prompt Templates Every Programmer Should Use
Su San Talks Tech
Su San Talks Tech
Apr 28, 2026 · Artificial Intelligence

Why free-claude-code Is the Must‑Have Open‑Source Proxy for Claude Code

free-claude-code, which amassed over 16 000 stars in a week, offers a zero‑cost local proxy that solves Claude Code’s high API fees, access restrictions, and model lock‑in by routing requests to free or low‑price LLM providers, supports six providers, provides a quick 10‑minute setup, and adds advanced features like Discord bots and interactive model selection.

AI codingClaude CodeDiscord bot
0 likes · 11 min read
Why free-claude-code Is the Must‑Have Open‑Source Proxy for Claude Code