Engineering Insights

All 44 talks from POSETTE: An Event for Postgres 2026 are available on YouTube

POSETTE: An Event for Postgres 2026, took place from 16–18 June 2026 as a free and virtual event, organized by Microsoft in partnership with AMD. Although the event has concluded, all the content remains available online. All 44 talks are now on YouTube Whether you missed the conference or want to revisit your favorite sessions, all 44 talks are now available on YouTube, with captions that have been translated into 16 different languages (because accessibility matters). Explore the recordings a

Spring Office Hours Podcast: S5E17 - Spring Boot 4.1 with Phil Webb

I Spent Two Weeks Testing Chinese AI Models and Got Surprised

I Spent Two Weeks Testing Chinese AI Models and Got Surprised Let me be real with you. Before I started digging into this stuff, I was the kind of bootcamp grad who just defaulted to GPT-4o for everything. That's what my instructors used, that's what my classmates used, so I never questioned it. Then I accidentally stumbled onto a thread about Chinese AI models and my brain kind of broke. What followed was two weeks of testing, comparing pricing pages, and genuinely geeking out. I figured I shou

Signal Protocol: A Technical Deep Dive into Modern Encrypted Messaging

Signal Protocol: A Technical Deep Dive into Modern Encrypted Messaging The Signal Protocol is the de facto standard for end-to-end encrypted messaging. It powers Signal, WhatsApp, Google Messages, and Skype's Private Conversations — collectively securing billions of messages every day. But what makes it so effective? In this article, we'll explore the protocol's architecture, its key cryptographic primitives, and why it represents the state of the art in asynchronous messaging security. The Si

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Article URL: https://iamwillwang.com/notes/has-not-been-viewed-much/ Comments URL: https://news.ycombinator.com/item?id=48799155 Points: 443 # Comments: 120

How to Actually Get a Tech Job in 2026: Every Method That Works, Ranked

Every single day, my inbox looks the same. Bhaiya, I am looking for a job, please help. Any openings for freshers? Can you refer me somewhere? I read every message. And here is the honest truth I want to say to each person but cannot type out individually: I can give you resources, but I cannot want the job more than you do. The people who get hired are not the ones waiting for someone to hand them an opening. They are the ones running five different channels at the same time while everyone else

Migrating off the OpenAI Assistants API before it shuts off (Aug 26, 2026)

On August 26, 2026 OpenAI turns off the Assistants API. /v1/assistants, /v1/threads, and /v1/threads/runs start returning errors that day. There's no grace period and no degraded mode, and OpenAI has said it won't ship a migration tool. Threads don't move over automatically either, so any conversation state you kept server-side is something you have to plan around, not port with a flag. If your code still calls openai.beta.assistants or openai.beta.threads, this is the migration. Here's the mapp

Debugging a BSONVersionError in Mongoose: What It Actually Means and How I Fixed It

If you've been building backend services with Node.js and MongoDB long enough, you'll eventually run into an error that looks something like this: BSONVersionError: buffer must be an instance of Buffer or Uint8Array or a variation of it thrown somewhere deep inside Mongoose's internals, usually when you least expect it — right after a routine npm install, a Docker rebuild, or a deploy to a new environment. No code changes on your end, yet suddenly your queries are exploding. Here's what I learn