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Spec-Driven Development Is the New Developer Superpower

By @snehag [ 3 Min read ] Learn why spec-driven development helps AI coding agents produce reliable software through structured specs, workflows, reusable skills, and proof. Read More.

How to Use OpenAI Codex Subagents Step by Step

By @proflead [ 7 Min read ] When you use Codex, putting too many tasks into a single conversation makes the model slow and unreliable. To solve this problem, I recommend using subagents. Read More.

Today’s AI Is a Mathematical Scam

By @josecrespophd [ 9 Min read ] AI is reducing obvious hallucinations, but deeper structural failures remain — and they may be far more dangerous for experts and professionals. Read More.

Breach At The Beach: The Ultimate Entra ID Training Experience

By @varonis [ 5 Min read ] Discover how Varonis Threat Labs created Breach at the Beach, a unique Entra ID training experience. Enhance your cybersecurity skills through hands-on learning Read More.

Why AI Agent Cost Attribution Has to Be Per Task

By @credyt [ 7 Min read ] Learn why AI agent cost attribution must happen per task, not per event, to control inference costs, protect margins, and build sustainable AI products. Read More.

Auto Split for 3D Printing Is Now Available in Meshy: from Model to Build Plate

By @meshyai [ 5 Min read ] Auto Split helps turn generated or uploaded 3D models into printable FDM parts with smart cuts, watertight caps, and 3MF export. Read More.

By @photonhq [ 11 Min read ] How we rebuilt Photon's shared iMessage routing to handle 10M+ messages a day — migrating Bun to Node, fixing a memory leak, and adding a Postgres event log. Read More.

ISP Traffic Shaping: Why Your Streaming Buffers Even When Your Internet Seems Fine

By @ipvanish [ 8 Min read ] Learn how ISPs use deep packet inspection to throttle streaming traffic and how VPN encryption helps reduce selective traffic shaping. Read More.

The TechBeat: Yes, Websites Can Detect Your VPN. Here's How (7/4/2026)

By @techbeat [ 2 Min read ] 7/4/2026: Trending stories on Hackernoon today! Read More.

Dawnguard Raises $6.3M Led by BNVT Capital as AI-Code Vulnerabilities Jump 13x in a Quarter

By @ishanpandey [ 15 Min read ] Dawnguard took its security architecture automation platform live on July 1, 2026, with $3.3 million in new pre-seed capital from BNVT Capital, Curiosity VC and Read More.

A Very Subjective History of Functional Programming

By @arthurlazdin [ 9 Min read ] Functional programming didn't start with a theory. It started with McCarthy needing a tool to differentiate an expression. Read More.

How We Automated Xcode Organizer Performance Monitoring

By @indrivetech [ 24 Min read ] How inDrive automated Xcode Organizer monitoring with App Store Connect API, Elasticsearch, z-score alerts, Slack, and Jira. Read More.

The AI Job Apocalypse Isn't Coming. Here's What's Actually Happening.

By @anirudh-bajaj [ 5 Min read ] The AI job apocalypse narrative is fading as real adoption data shows AI reshaping work rather than eliminating entire professions. Read More.

By @yanali [ 7 Min read ] A practical pattern for AI memory using session notes, handoff artifacts, user control, and inspectable retrieval instead of hidden prompt context. Read More.

Modal Logic & Neural Networks

By @aborschel [ 10 Min read ] A new perspective on neural networks: using modal logic to complement linear algebra and explore how AI preserves meaning across layers. Read More.

The HackerNoon Newsletter: How to Use OpenAI Codex Subagents Step by Step (7/4/2026)

By @noonification [ 2 Min read ] 7/4/2026: Top 5 stories on the HackerNoon homepage! Read More.

From Open Port to Compromised Host: The Complete Nmap Offensive Workflow

By @RoshanRajbanshi_frqj97tc [ 20 Min read ] SMB enumeration to CVE mapping to Metasploit integration, evasion, and pivot scanning — the complete Nmap offensive workflow in one continuous chain. Read More.

How Float Runs an AI Energy Company on a 3-Person Team with Tiger Data

By @tigerdata [ 7 Min read ] How Float achieved 99.3% compression on 1Hz smart meter data with Tiger Data, enabling real-time AI energy analytics, lower cloud costs, and scalable IoT. Read More.

The Month AI Governance Became Operational

By @ttassos [ 15 Min read ] June 2026 showed AI geopolitics shifting from model performance to control over access, infrastructure, cybersecurity, and national capacity. Read More.

The HackerNoon Newsletter: Today’s AI Is a Mathematical Scam (7/3/2026)