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mantle.nes breakdown blog part 1
Drmelon walks through building mantle.nes—a multi-month NES demake/fangame of a Deltarune Chapter 3 sequence—covering constraints, techniques, and why the project took shape.
16 min · 3,755 words
Pencils Down, Eyes Open: A Rails Developer After Rails World
A longtime Rails developer sits with DHH’s Rails World keynote declaring the end of routine hand-coding—what feels lost, what might be gained, and how to stay useful when agents write the default path.
4 min · 998 words
Sunil Sadasivan on first-principles thinking for senior engineers working with AI agents: set experience aside long enough to see the problem clearly, then rebuild judgment on top of how agents actually work.
3 min · 624 words
Loris Cro reflects on Zigtoberfest remarks: approaching Zig as a multi-year journey across newcomers, intermediate, and advanced users—and what that framing means for the language and community.
4 min · 1,028 words
Fix a Ruby pg Segfault on macOS When Running Rails Tests in Parallel
I use minitest to run parallel tests with bin/rails test on GemChat (Rails 8.1, Ruby 4.0.7, pg 1.6.3, PostgreSQL in Docker). Running the Rails test suite in parallel should make it faster.
5 min · 1,084 words
Last week I wrote about using AI to edit my videos. My first try was five paragraphs describing WHAT I wanted and HOW I wanted it done. I expected it to one-shot the rest. A lot of people like to talk about one-shotting a task with AI.
2 min · 435 words
ATT&CKing TACACS+ to Pwn Your Network via a Pre-Auth RCE
TACACS+ is one of the ways large networks centralise administrative access to their equipment, alongside RADIUS and DIAMETER, and it is the one that tends to be chosen where per-command control matters. Instead of every router, switch, firewall and console server keeping its own local accounts, each device asks a TACACS+ server whether a login is allowed, at what privilege level, and often whether each individual command should be permitted. It is standard in enterprise,…
25 min · 5,766 words
From Any to Certainty: A Typechecking Journey
Aniket’s napari Island Dispatch post on an open-source typing journey: why the team migrated from mypy to Pyrefly, what improved, and how to choose a type checker for a large Python project.
9 min · 2,100 words
Claude Code reads AGENTS.md only when telemetry is on
Przemek documents that Claude Code 2.1.277’s AGENTS.md loader sits behind a remote feature flag: with telemetry or nonessential traffic off, a local AGENTS.md is skipped silently—what he measured and a one-line CLAUDE.md workaround.
4 min · 1,002 words
Creating and Using Code Snippets in Xcode
A practical tutorial on Xcode code snippets—creating reusable Swift/SwiftUI templates with placeholders, completion shortcuts, and tips for organizing snippets you type repeatedly.
9 min · 1,961 words
Extending Scapy for Hardware Reverse Engineering
VoidStar Security shows how to use Scapy as a binary protocol framework to dissect SPI/QSPI logic-analyzer captures, trace flash erase/program cycles, and reconstruct firmware without desoldering the chip.
24 min · 5,435 words
Agent-Centric Development Workflow
Yunlong Liu proposes redesigning implementation, CI, and code review around autonomous coding agents—replacing human-paced PR loops with agent-first gates, verification, and review patterns for the agentic era.
3 min · 752 wordsagent-assisted
Thirty years in, Maroun Baydoun reflects on JavaScript’s midlife moment: an ecosystem eyeing younger, leaner languages, and what that restlessness means for the web’s default programming language.
6 min · 1,385 words
Carson Gross argues that Markdown has become a first-class source artifact for LLM-built software systems, and that treating it like code in /src follows the same locality and clarity principles as HTML-in-/src.
6 min · 1,398 words
Effect’s weekly ecosystem update: RcMap as module of the week, runtime performance work across Schema/Queue/Stream/Scope, and community notes including Effect Paris.
6 min · 1,374 words
Why didn't anybody tell me about hash slots
A delivery-matching engineer discovers Redis Cluster hash slots the hard way, and walks through how slot-aware keys change caching, sharding, and multi-key operations in production.
8 min · 1,937 words
Linebender ships fearless_simd 1.0: safe Rust SIMD that covers autovectorization, portable abstractions, and intrinsics access—reflecting on design goals after eight years from the original prototype.
4 min · 999 words
Unauthenticated path traversal in page-template resolution leading to conditional RCE
WordPress discloses an unauthenticated path-traversal flaw in page-template resolution that can lead to conditional remote code execution, with advisory details, affected versions, and remediation guidance.
1 min · 276 words
JetBrains Air: Building a System of Products for Agentic Software Development
Kirill Skrygan introduces JetBrains Air: a system of products for agentic software development that treats organizational correctness—not just code generation—as the hard problem after six months of public experiments.
7 min · 1,719 words
Transformer Explainer: LLM Transformer Model Visually Explained
Georgia Tech’s Polo Club walks through GPT-2’s Transformer stack—embeddings, multi-head attention, MLP, sampling—with an interactive in-browser model for learning how next-token prediction works.
4 min · 827 words