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JavaGuide

Backend tech guide and AI engineering practice covering fundamentals, databases, distributed systems, high concurrency, system design, plus AI agents and large-model engineering.

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Latest from JavaGuide

68 recent articles

JavaGuide

May 12, 2026 · Artificial Intelligence

Unlock Claude Code Tokens and Access GLM‑5.1 with iFlytek’s Ultra‑Low‑Cost Coding Plan

The article reviews iFlytek’s Coding Plan, highlighting its three pricing tiers—including a 3.9 CNY entry tier that unlocks GLM‑5.1 for Claude Code—explains how request‑based billing reduces token anxiety, and provides step‑by‑step integration guides for Claude Code, OpenClaw and Cursor along with real‑world skill examples.

AI CodingClaude CodeCursor

0 likes · 13 min read

Unlock Claude Code Tokens and Access GLM‑5.1 with iFlytek’s Ultra‑Low‑Cost Coding Plan

JavaGuide

May 11, 2026 · Artificial Intelligence

Running Code Review and Voice Agents with Step Plan and Claude Code

The article walks through using Step Plan’s unified API to integrate Claude Code for automated code review and to build a voice‑agent pipeline that transcribes meeting recordings, generates structured summaries, and produces audio briefs, while discussing setup, costs, model selection, practical demos, and observed limitations.

AI AgentASRClaude Code

0 likes · 24 min read

Running Code Review and Voice Agents with Step Plan and Claude Code

JavaGuide

May 9, 2026 · Artificial Intelligence

DeepSeek V4 vs GLM‑5.1: Which AI Coding Model Offers the Best Cost‑Performance?

The article compares DeepSeek V4 and GLM‑5.1 AI coding models by analyzing their pricing structures, cache‑hit mechanisms, real‑world billing data, and suitability for different coding workloads, ultimately offering guidance on when each model provides the most cost‑effective solution.

AI CodingCost-performanceDeepSeek

0 likes · 12 min read

DeepSeek V4 vs GLM‑5.1: Which AI Coding Model Offers the Best Cost‑Performance?

JavaGuide

Apr 27, 2026 · Artificial Intelligence

DeepSeek V4 Slashes Prices by 75% – Real‑World Claude Code Test with 4M Tokens

DeepSeek V4’s pricing fell 75% overnight, making the V4‑Pro and V4‑Flash models dramatically cheaper than competing AI services; the article details the new rates, compares them with other providers, shows two Claude Code case studies consuming nearly 4 million tokens, and explains how domestic Ascend 950 hardware enables the discount.

AI pricingAscend 950Claude Code

0 likes · 13 min read

DeepSeek V4 Slashes Prices by 75% – Real‑World Claude Code Test with 4M Tokens

JavaGuide

Apr 22, 2026 · Artificial Intelligence

The Ultimate Seamless Way to Run Claude Code and Codex in IDEA with CC GUI

This article introduces CC GUI, an open‑source JetBrains plugin that adds a visual workspace for Claude Code and OpenAI Codex, walks through installation, configuration, and usage steps, compares it with the Qoder plugin, and shows how to automate code reviews inside IDEA.

AI coding assistantCC GUIClaude Code

0 likes · 10 min read

The Ultimate Seamless Way to Run Claude Code and Codex in IDEA with CC GUI

JavaGuide

Apr 15, 2026 · Artificial Intelligence

Why Claude Code + VS Code/IDE Is a Game‑Changer for AI Coding

The article analyzes the rise of AI‑driven CLI tools like Claude Code versus traditional AI‑enhanced IDEs, compares their workflows, strengths, and limitations, and explains how mixed usage and emerging trends are reshaping the future of AI‑assisted software development.

AI CodingAI agentsCLI

0 likes · 18 min read

Why Claude Code + VS Code/IDE Is a Game‑Changer for AI Coding

JavaGuide

Apr 14, 2026 · Artificial Intelligence

Interview Question: How to Build Prompt Engineering for an Agent and Defend Against Malicious Prompt Injection

The article explains how industrial‑grade AI agents require structured prompt engineering, chain‑of‑thought reasoning, task decomposition, and a three‑layer defense (sandbox, prompt isolation, and human approval) to prevent prompt‑injection attacks, while also covering context engineering, retrieval‑augmented generation, and tool design best practices.

Agent designContext EngineeringLLM security

0 likes · 23 min read

Interview Question: How to Build Prompt Engineering for an Agent and Defend Against Malicious Prompt Injection

JavaGuide

Apr 7, 2026 · Information Security

Why Brute‑Force Won’t Cut It for Sensitive‑Word Filtering (And What Actually Works)

The article walks through the evolution of sensitive‑word filtering—from naïve brute‑force scanning to Trie, Aho‑Corasick automaton, Double‑Array Trie, and DFA implementations—detailing their algorithms, time/space complexities, concrete Java code examples, performance trade‑offs, high‑concurrency optimizations, and practical production advice for building a robust content‑moderation system.

Aho-CorasickDFAJava

0 likes · 26 min read

Why Brute‑Force Won’t Cut It for Sensitive‑Word Filtering (And What Actually Works)

JavaGuide

Mar 30, 2026 · Backend Development

Interviewers Ask About Claude Code Skills—What If You Haven’t Used /simplify?

The article explains the built‑in Claude Code /simplify command, how it uses three parallel AI agents to review and automatically fix code, demonstrates real‑world bugs it uncovered in Java projects, compares it with traditional linters, and offers practical tips and integration guidance.

/simplifyAI agentsClaude Code

0 likes · 16 min read

Interviewers Ask About Claude Code Skills—What If You Haven’t Used /simplify?

JavaGuide

Mar 18, 2026 · Artificial Intelligence

Why Build Your Own Claude Code Agent? A Step‑by‑Step Walkthrough

This article explores the Learn Claude Code website, breaking down the universal agent loop into twelve incremental versions, demonstrating language‑agnostic implementations in Python and Java, and detailing progressive capabilities—from basic tool integration to memory compression, concurrency, and multi‑agent collaboration.

AI AgentAgent LoopClaude

0 likes · 9 min read

Why Build Your Own Claude Code Agent? A Step‑by‑Step Walkthrough