What to Put in Your CLAUDE.md (and What to Leave Out)
A great CLAUDE.md is not the longest one. It is the one where every line changes what Claude does. The whole skill is knowing what belongs in it — and, just as importantly, what does not. Start with a...
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What Is CLAUDE.md? A Practical Guide to Configuring Claude Code
If you use Claude Code, there is one file that quietly shapes every session: CLAUDE.md. Most developers either do not have one or have one that works against them. Here is what it actually is, in plai...
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The Real Reason Everyone's Fighting About Tailwind CSS v4
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Shipping one Flutter codebase to 6 platforms: what I learned building Tuneline
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15m ago
Why Claude Code Ignores Your CLAUDE.md (And How to Fix It)
You wrote a detailed CLAUDE.md, and Claude Code still gets things wrong — wrong convention, touches files it should not, ignores rules you clearly wrote down. The cause is almost never that the rules...
32m ago
Closing Chapter 1: From Query to Data
We opened Chapter 1 with a single line, SELECT * FROM users WHERE id = 1. For that line to leave the client and come back as a result row, the PostgreSQL backend went through five stages. First it dec...
35m ago
1.5.3 Join Nodes: NestLoop, HashJoin, MergeJoin
A scan node sits at the leaf of the tree and pulls rows from a single table. A join node sits in the middle and brings together the rows that its two children send up. It takes one row from users, one...
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I Fixed the "AI Commit Messages" Problem in 20 Lines of Python
You've probably seen that trending post — "I Asked AI to Write My Commit Messages and It Was Embarrassing." Same. But instead of accepting embarrassing output, I fixed it. Here's the thing: the proble...
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Gelişmiş Veri İşleme (Python)
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1.5 Executor: How Results Come Back
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1.4.10 Planner Hook: When It Fires, How to Use It
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The Matrix: Indexing Like Neo Dodging Bullets
The Quest Begins (The "Why") I was building a simple rate limiter for a side‑project API. The idea was dumb‑simple: every time a request came in, I’d insert a row into a request_log table with the u...
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Yet Another Piece of AI-Pilled Speculative Fiction Has Gone Dangerously Viral
It's a trend that urgently needs to die.
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A Critical Deadline Is Approaching for Windows and Linux Security
The cryptographic keys that secure your computer's boot sequence will start to expire on June 24. Here's what that means for you.
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从 pip install 到生产部署：AI 自愈 Agent 10 分钟上线指南
从 pip install 到生产部署：AI 自愈 Agent 10 分钟上线指南 本文是一份实操指南。目标：从零开始，将一个普通的 OpenAI 调用改造成具有多 Provider 容灾、级联自愈、实时可观测性的生产级 AI Agent。 pip install neuralbridge-sdk 预期结果：SDK 约 375 KB，唯一依赖是 httpx。安装时间 < 10 秒。 验证安装...
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Peer-to-Peer Secrets: How We Built Client-Side E2E Team Sync Without Server Trust
Here is a common developer anti-pattern that every engineering team has committed: A new developer joins the team. They need the environment variables to run the application locally. A senior develope...
1h ago
You're Using AI to Prep for Interviews Wrong. A Headhunter's Guide to Actually Getting the Offer
Most candidates who try to prepare for a job interview using AI are doing it wrong. They paste a job description, ask for common questions, and call it preparation. I see the results of this constantl...
1h ago
Yötön Yö (Nightless Night) - a Finnish Midsummer game
This is a submission for the June Solstice Game Jam I built Yötön Yö (Nightless Night), an interactive 2D time-management game set during a traditional Finnish Midsummer (Juhannus). The sun never full...
1h ago
Point-in-polygon: one PostGIS query for geofencing, zones, and spatial lookups
You've got a coordinate. You've got a pile of regions on a map. You need to know: which region does this point fall in, or is it inside one at all? That single question hides inside a lot of features:...
1h ago
Coding Agents Suck at Tools
Open up the source code of any agent framework, harness, etc. Hermes, Copilot, Pi, Opencode or whatever. You will find tools, tools everywhere. Examples: https://github.com/NousResearch/hermes-a...
1h ago
DuckDB: Python Dünyasının Gizli Gücü
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From Legacy Data Platforms to Modern Data Stacks: Why Metadata Matters More Than Technology
Introduction Organizations spend millions of dollars modernizing data platforms. They migrate from on-premise databases to cloud warehouses. They replace legacy ETL tools with Spark and cloud-native o...
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How to Use AI Coding Tools Without Leaking Source Code
Every major AI coding tool sends your code to an external server. Every single one. Cursor uploads your active file on each autocomplete request. GitHub Copilot sends your context window to GitHub/Mic...
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PII Masking vs Data Encryption: What's the Difference for AI APIs?
When developers realize their AI prompts contain sensitive data, the first instinct is usually: "I'll just encrypt it." It makes sense. Encryption is the universal answer to data protection. Encrypt a...
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The Developer's Guide to AI Data Privacy in 2026
By mid-2026, AI-assisted development is the default. GitHub Copilot, Cursor, Claude Code, Amazon Q, JetBrains AI — every major IDE has embedded AI. Over 80% of developers surveyed by Stack Overflow re...
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Open Source vs Commercial AI Privacy Tools: 5 Options Compared
The AI privacy tooling landscape has matured fast. In 2024, your options were essentially "build it yourself or use a SaaS scanner." By mid-2026, there are at least a half-dozen mature tools — both op...
2h ago
Facial Recognition on Public Buses? Kansas City Says Yes
An anonymous reader shared this report from the Associated Press: Officials in Kansas City, Missouri, are preparing to equip cameras on some public buses with facial recognition software capable of...
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I'm 13. I built a software company. Here's everything I learned in 1 months.
I'm Akhouri Anmol Kumar. 13 years old. India. 1 months ago I had 0 users, 0 downloads, 0 recognition. Today: 4 Windows apps shipped 120+ real downloads Listed on Softpedia, Softonic(on the way), Sourc...
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The Code I Shared: Reflections on my best 29+ Merged Pull Requests in Open Source
Writing code in public changed the way I think about software development. When I merged my first pull request on New Year's Day of 2024, it felt like a small step. Over the course of thirty months an...
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Software Development Process: From Idea to Successful Product
In today's digital world, software powers almost everything we do—from ordering food online to managing billion-dollar businesses. But behind every successful application, website, or platform lies a...
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Stop Wasting LLM Budgets: High-Performance Semantic Caching with Spring AI and pgvector
Stop Wasting LLM Budgets: High-Performance Semantic Caching with Spring AI and pgvector Your enterprise is likely bleeding thousands of dollars on duplicate LLM API calls because your Redis cache fa...
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shared configuration in microservices
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QA: booster, not blocker.🚀
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JShell: Java's Built-In Scratchpad for Trying Code Fast
Here's a familiar feeling. You want to test one small thing in Java — maybe how String.substring() behaves, or whether a regex pattern matches. So you create a file, write a class, add a main method,...
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Google Paid $2.7B to Keep Its Best AI Researcher. He Left Anyway.
In 2024, Google paid $2.7 billion to bring Noam Shazeer back. Shazeer invented the transformer architecture, the foundation behind GPT, Gemini, and Claude. Google said: "We can't lose this person." Ju...
2h ago
Turing's Mirror — A Game About the Question We Still Haven't Answered
This is a submission for the June Solstice Game Jam Turing's Mirror is a browser game about the one question Alan Turing asked in 1950 that we still haven't answered: can you tell the difference betwe...
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I built a free AI-powered relocation tool comparing 95 countries and 668 cities — here's how I did it
The Problem I was researching international relocation and found the existing Numbeo is the gold standard but costs $260/month for API access Most comparison sites cover 20–30 countries at best Not...
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Why I put a 4-qubit circuit inside a brain tumor classifier
A few months ago I would have told you quantum machine learning was mostly hype dressed up in cool-sounding words — "superposition," "entanglement," "quantum advantage" — thrown around papers that nev...
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Motif Learning Protocol: Prompt Engineering for Knowledge That Actually Sticks
TL;DR Most AI learning prompts help you recognize ideas. This one trains recall — via a paradox-first story, one lethal number, one mnemonic, and a three-stage interrogation (kid → pragmatic auntie →...
3h ago
Why I Built My Own Rate Limiting Library for FastAPI
This was originally posted on my blog. I was not planning to build a rate limiting library. I had a FastAPI project, I needed rate limiting, I reached for SlowAPI, which is the most popular choice for...
3h ago
Three post-deploy checks I run after every Cloudflare Pages build
After spending two weeks debugging issues that only showed up in production — a sitemap _redirects rule that was blocking my own sitemap-index.xml and a Bluesky image upload race against Cloudflare Pa...
3h ago
Why I'm betting on AI-curated directories when Google AI Overviews answer the same queries
The obvious counterargument to everything I'm building is this: Google already does it. You type "best AI tools for video editing" into Google and an AI Overview surfaces a curated list, synthesized f...
3h ago
Business Logic Attacks Explained Using a Banking App
How Attackers Abuse Perfectly Working Features Without Hacking the Code Most developers spend months securing authentication, encryption, and APIs. Then an attacker steals money without breaking a sin...
3h ago
How I Built a Programmatic SEO Pipeline with n8n + Claude API (and deployed 200+ pages in 3 days)
A few months ago, a client asked me to rank on 150+ local search queries across 5 cities — with a budget that wouldn't cover a single traditional agency retainer. Instead of writing 150 articles manua...
3h ago
Three post-deploy checks I run after every Cloudflare Pages build
After spending two weeks debugging issues that only showed up in production — a sitemap _redirects rule that was blocking my own sitemap-index.xml and a Bluesky image upload race against Cloudflare Pa...
3h ago
Why I'm betting on AI-curated directories when Google AI Overviews answer the same queries
The obvious counterargument to everything I'm building is this: Google already does it. You type "best AI tools for video editing" into Google and an AI Overview surfaces a curated list, synthesized f...
3h ago
Grokking System Design: The Complete Roadmap for System Design Interviews
System design preparation often feels harder than it should. You open one article and see caching, sharding, replication, and load balancing. Then another resource introduces Kafka, consistent hashing...
3h ago
Do You Know AWS Entity Resolution? Efficiently Identify Duplicate Records with Fuzzy Matching!
GitHub repository for this series: AWS Deep Cuts AWS Deep Cuts is a technical series that digs deep into AWS services that most people don't know about — the latest services, niche features, or servic...
3h ago
The agent economy solved 'how to pay.' It still hasn't solved 'who to trust.'
PayPal's real innovation in 1999 wasn't moving money. Banks already moved money. What PayPal did was make it safe to transact with a stranger — someone you'd never met, on the other end of an auction,...
3h ago
I Built an On-Device "Solstice Engine" Using TensorFlow.js to Break Ciphers
This is a submission for the June Solstice Game Jam I wanted to build something that forces the player to look around their room, grab a flashlight, or turn on the light, and interact with the physica...