The Problem with GPT-5 OpenAI dropped GPT-5 in August 2025. Eight months later, we’re at version 5.4. The model family has exploded from a simple two-tier system to a four-tier pricing structure with more variants than most people can keep track of. If you’re not following AI news daily, figuring out which model to use — let alone which subscription tier — is genuinely confusing. This…
Go Is Finally Getting Lambdas — 8 Years in the Making How a Single Proposal with 900+ Comments is Quietly Reshaping Go’s Syntax It started in August 2017. A developer opened issue #21498 on the Go repository with a modest title: " proposal: spec: short function literals. " Nobody could have predicted that eight years later, the discussion would stretch to 915 comments , involve Go’s…
The Problem: Why Does Your Agent Get Dumber Over Time? Picture this: you’ve been working with an AI agent for weeks, patiently teaching it your project structure, personal preferences, and workflows. Within a single conversation, it remembers your instructions just fine — but the next day, when you start a new session, it’s like meeting a stranger. Worse still, it starts confidently…
While everyone on Twitter is chasing the next AI wrapper or prompt marketplace, a post on Hacker News asked a much more grounded question: If you’re making more than $500/month from a side project in 2025, what are you building? The answers were refreshing. No hype. No “AI will change everything” slogans. Just small, specific problems solved well —often in niches most of us never think about. I…
Open Chrome, type https://demian.ferrei.ro/snake# into the address bar, and you’ll suddenly see a string of strange characters. Yes, you read that right. Keep your eyes on the address bar and control the direction with the arrow keys or WASD. You’ll see a little snake made of odd-looking symbols (░░░░░░░⠠⠤⠄⡀░░) crawling around inside the address bar, eating food, and growing longer. The entire…
Go Officials Revisit Error Handling — Why the New Syntax Is Still Stuck Recently, the official Go blog published a post titled On | No syntactic support for error handling . Contrary to the community’s anticipation for a breakthrough in syntax, the article took a step back—revisiting Go’s long and rocky history of failed attempts to simplify error handling. So, why did the Go team choose to…
This article explores best practices for developing Go applications in Kubernetes, focusing on the different stages of a Pod’s lifecycle and the role of Kubernetes termination signals. Properly managing these phases ensures smooth application shutdowns, preventing data loss or disruptions to user experience. By mastering lifecycle management, teams can efficiently handle updates and workload…
Although Go’s garbage collection (GC) mechanism has undergone multiple rounds of optimization in recent years, its performance bottlenecks — especially in high-concurrency and large-memory scenarios — remain a significant focus for developers. Recently, the official Go team stirred up a discussion on GitHub with their proposal for Green Tea GC (#73581): can it further address the time cost of Go’s…
Recently, Tao Shu’s Blog published an article about reciprocal links, and I took the initiative to request a link exchange. Tao Shu promptly responded and kindly reminded me that adding a favicon (icon) to my blog would help RSS subscribers quickly identify it. At that moment, I wondered, “What is a favicon ?” (The struggles of a backend developer!) Later, I consulted DeepSeek:…