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Point-in-Time Fundamentals for Numerai Signals: Killing Lookahead in Your Feature Join
37+ min ago (352+ words) This article covers three things: why lookahead leaks into fundamentals-based signals even when you think you've handled it, how a first_filed-keyed join fixes the mechanics, and where a small, honest, US-annual-only dataset like ours fits — and where it doesn't. This…...
Starter Level Python Project: Py Book Search
34+ min ago (23+ words) I have finally finished my python book search mini app. This is a command- line application that uses... Tagged with programming, python, beginners....
Building Distributed Systems in Elixir: Part 6 — Named Processes
44+ min ago (936+ words) In the previous part of this series, we built a tiny supervisor from scratch. When a worker crashed, the supervisor started a replacement. That replacement had a new PID: This reveals an important limitation of sharing PIDs as a public…...
# Build Log #1: Processing my first Sentinel-2 pass in 48 hours
35+ min ago (311+ words) 48 hours and moderate sleep later, ARGOS just processed its first Sentinel-2 pass over Kefalonia. This is what that looks like. I wanted a baseline vegetation map of the entire island. Not from a government PDF, not from a paid dataset…...
I Built a Claude Code Skill That Reverse-Engineers Undocumented APIs
45+ min ago (451+ words) Because "the docs are in the code" is not a documentation strategy. The Week I Lost to Grepping I joined a new team last month. Day 1 task: add a feature to the billing service. Day 1 reality: I opened the API…...
LighthouseReckoning: A Lightweight LoRa Mesh Network for Arduino, ESP32 and RP2040
50+ min ago (300+ words) LighthouseReckoning is a lightweight LoRa mesh networking library for Arduino-compatible microcontrollers, currently tested on ESP32 and RP2040 with SX126x LoRa radios. One node acts as the Home node. Other nodes automatically determine a path toward it. A node does not need to know…...
Sandboxed Code Evaluation for AI-Generated Outputs — How I Built SafeCode Arena
1+ hour, 7+ min ago (378+ words) You're using Cursor, Claude Code, or GitHub Copilot. The AI gives you three implementation options for the same feature. That "it depends" is where responsibility falls through the cracks. Tests tell you if code compiles and passes specs. But they…...
TurboVec Rust Vector Index Uses TurboQuant for Low Memory and Fast Search | Trending Stories
13+ hour, 8+ min ago (645+ words) Developer Ryan Codrai has released turbovec, a high-performance vector indexing library written in Rust with Python bindings. Built upon Google Research’s TurboQuant algorithm, the tool is engineered for low-latency retrieval and extreme memory efficiency, positioning itself as a direct alternative…...
AI Agent Memory Course - Building AI Agents That Remember
5+ hour, 21+ min ago (1361+ words) New research from Maximem. Agentic Context Management: Solving Agent Memory and Cost by Treating Them as Lifecycle and Architecture ProblemsAgent Memory is an architecture problem. Read the paper → Building AI Agents That Remember — a free course on AI agent memory…...
Agent Memory: Everything It Remembers Has the Same Authority, and That Is the Bug
1+ hour, 18+ min ago (1031+ words) Every team that wires long-term memory into a coding agent hits the same wall about three weeks in. The agent remembers plenty. It remembers the migration you abandoned, the library you replaced, the convention one person suggested once in a…...