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The SDP Offer/Answer Rules That Bite During WebRTC Renegotiation
1+ week, 4+ day ago (546+ words) WebRTC developers do not normally bother about an SDP blob. It just works in the initial negotiation, media streams are exchanged, and the details of the format are irrelevant. But once renegotiation happens — adding a track, starting a screen share,…...
Fixing KV Propagation Delay in Media Publishing
31+ min ago (529+ words) Fix media publishing errors caused by edge KV propagation delays. Learn why your local edge reads succeed while third-party fetchers fail and how to implement reliable post-write waits. Tagged with backend, serverless, devops, debugging. When you build a serverless media…...
Building Guardrails for AI Coding Agents in Go
1+ day, 16+ hour ago (1583+ words) An AI coding agent can catch a bug in one review and miss it in the next. Adding instructions or another reviewer still leaves someone to read the code and decide whether it meets the requirement. Each review takes time…...
Designing a URL Shortener: Architecture, Base62, Redis Caching & Scaling
1+ hour, 51+ min ago (1637+ words) A URL shortener sounds like one of the simplest backend systems to build. Take a long URL: Generate a short code: Store the mapping, and redirect anyone who visits the short URL. Three operations. One database table. A few API…...
The Hidden Cost of Ungoverned LLM Routing and How to Cut It 40–60%
1+ hour, 54+ min ago (678+ words) Every team that ships more than one agent eventually hits the same wall. Not a capability wall a bill. You started with one agent calling one model for one use case. The cost was easy to reason about. Then you…...
Image Optimisation Strategies for Better LCP Scores
2+ hour, 47+ min ago (1031+ words) This guide assumes you already know what LCP measures. If you need the full picture first, read What Are Core Web Vitals? A Practical Guide for 2026 and LCP, INP, CLS: What Each Core Web Vital Means and How to Fix…...
Swift Cross-Platform Framework Skip Now Fully Open Source
4+ hour, 39+ min ago (687+ words) QCon AI Boston (July 8-9, 2027): Agents. Context. Evals. Security. See how other teams make decisions. Register Now Susan Chang explains how Elastic transitioned from siloed, ad-hoc AI agent evaluations to a unified, production-grade framework. She discusses balancing LLM-as-a-judge with deterministic rules,…...
LMCache is vulnerable to Unauthenticated Remote Code Execution via Pickle Deserialization on the Multiprocess ZMQ Transport | JFSA-2026-001694382
9+ hour, 1+ min ago (325+ words) CVE-2026-105192 | CVSS 9.8 LMCache is vulnerable to Unauthenticated Remote Code Execution via Pickle Deserialization on the Multiprocess ZMQ Transport The decode path shipped in v0.3.9. It is still present in the latest PyPI release, v0.5.5, in the v0.5.6 release candidates through v0.5.6rc3, and on the…...
How to Ship Go Video Delivery with Verified Download URL State
6+ hour, 8+ min ago (430+ words) A download center for generated clips has one operational constraint that changes the design: a URL must never imply that bytes are ready before the encoder has committed them. Short answer: model delivery as an explicit state machine, issue a…...
OpenTelemetry aids distributed tracing, Kubernetes monitoring
7+ hour, 19+ min ago (487+ words) Konstantin Emelyanov - Fotolia The OpenTelemetry project defines a standard set of data collectors that support multiple observability tools, which offers significant advantages for Kubernetes monitoring, early adopters said. OpenTelemetry emerged in May 2019 as a Cloud Native Computing Foundation (CNCF) sandbox…...