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concurrency
36 postsHeimdall MCP 1.5.0 Adds Resource Locks to Stop Silent Overwrites
Heimdall MCP 1.5.0 adds resource locks across MCP tools and native editor actions, closing a race condition where concurrent agents overwrite each other silently.
Concurrent JavaScript: A Thread Model for JSC (2017 Revisit)
WebKit's 2017 thought experiment on extending JavaScript's concurrency model beyond SharedArrayBuffer to full heap-wide object sharing.
PHP's Polling API: The Missing Piece for Fiber-Based Async
PHP's Polling API RFC has merged to master. See how it pairs with Fibers to finally give async PHP a native event-readiness primitive.
CommitBrief — AI code reviews, right in your terminal
A provider-agnostic, local-first CLI that reviews your staged changes, a historic range, or a whole GitHub pull request. Zero telemetry, no server. Free and open source.
commitbrief.comRewriting PostgreSQL in Rust: Challenges and Lessons Learned
Porting PostgreSQL to Rust surfaces deep challenges in memory management, concurrency, and extension compatibility, with measurable performance trade-offs.
Go Turns 16: Key Engineering Wins from 1.24 and 1.25
Go's 16th anniversary recap covers 1.24/1.25 testing, security, GC, and gopls improvements engineers should know about.
System Design the Agentic Way — Phase 1: The Single Machine Ceiling
Phase 1 offers critical insights into server resource management and failure causes.
Java virtual threads: 15x faster I/O, no help for CPU-bound work
An 8,000-trade settlement benchmark shows Java virtual threads deliver a 15x speedup for I/O-bound work but offer no advantage for CPU-bound Monte Carlo simulations.
Using SQLite in Production: Optimizing WAL Mode and Concurrency
Learn how to optimize SQLite for production environments with WAL mode and concurrency strategies.
Toolchain Assumes One Human Writer; AI Agents Break That Illusion
Explore how a toolchain designed for a single writer is disrupted by AI agents and its implications for engineering practices.
Runloom Brings Go-Style Fibers to Python Concurrency
Runloom is an experimental extension for free-threaded CPython 3.13t that brings Go-style, work-stealing fibers to Python, matching Go's networking throughput in benchmarks.