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How I Stopped Wasting Hours on AI Prompts

I used to waste hours tweaking and re-tweaking my AI model prompts. It was like trying to find a needle in a haystack—I'd make a change, run the code, wait for the results, and then... nothing. The output would be inconsistent, unhelpful, or just plain wrong. I'd try again with tiny modifications, rinse and repeat, until I was about to pull my hair out. It wasn't until I stumbled upon the concept of reusable prompt templates that everything changed. It was like a switch had flipped—my code started producing consistent results, and I finally understood why. No more guesswork, no more frustration. Just good old-fashioned productivity. A simple shift from writing one-off prompt strings to using reusable templates is the key to reducing prompt overhead, increasing consistency, and getting back to doing what we love—building amazing, AI-driven applications. From Chaos to Control: A Simple Example Let's make this tangible. Imagine you're building a feature to generate a short story, but for different characters. Before: The Inconsistent, One-Off Way Without a template, you'd likely write a new prompt each time, introducing small, unintentional differences that lead to wildly different results. Two separate prompts = inconsistent, unpredictable output prompt_for_alex = "Write a short story about a character named Alex who is trying to get to work on time, but keeps getting delayed in a busy city." prompt_for_jordan = "Generate a story about someone named Jordan. They're late for work and stuck in traffic in a big city." See the problem? The tone, wording, and details are different. You have no control over the consistency of the output. After: The Clean, Templated Way Now, let's use a single template. We define the core structure once and simply pass in the parts that change. Now, let's use a single template. We define the core structure once and simply pass in the parts that change. One template = consistent, predictable output story_template = "Write a short story about

2026-07-02 原文 →
AI 资讯

Ethlabs Launch, the EF Restructures, Starknet Brings Private USDC, Crypto Neobanks Go Mainstream

Welcome to our weekly digest, where we unpack the latest in account and chain abstraction and the broader infrastructure shaping Ethereum. This week: Ethlabs launches as an independent EF-origin R&D lab backed by Bitmine, Sharplink, and Joe Lubin; the Ethereum Foundation reorganizes into five focused clusters and parts ways with a fifth of its staff; Starknet brings confidential USDC payments to DeFi through its STRK20 framework; and a new industry report charts how crypto-native neobanks went mainstream and why account abstraction matters more because of it. Ethlabs Launches as an Independent R&D Lab The Ethereum Foundation Restructures Into Five Clusters Starknet Brings Private USDC to DeFi Crypto Neobanks Cross From Experiment to Infrastructure Please fasten your belts! Ethlabs Launches as an Independent R&D Lab A coordinated group of Ethereum contributors has launched Ethlabs , an independent nonprofit research and development lab built to ready the network for its next wave of institutional and agentic adoption. The funding effort is led by Bitmine, Sharplink, and Ethereum co-founder Joe Lubin, with support from Anchorage, Octant, and SNZ. Ethlabs is cofounded by five former senior Ethereum Foundation researchers — Ansgar Dietrichs, Barnabé Monnot, Caspar Schwarz-Schilling, Josh Rudolf, and Julian Ma — who between them shaped finality, scaling, data availability, and protocol economics over the past decade. Dietrichs serves as Executive Director. The lab’s early work centers on what institutions need to move onchain at scale: faster settlement, native issuance, cross-chain movement, and more mainnet capacity, alongside research into ETH’s monetary properties. The team frames the moment as Ethereum’s shift from infrastructure buildout to an age of adoption, where the architecture that settles global activity is being decided now rather than in ten years. To preserve neutrality, funding flows through an independent grants administrator that handles screening and

2026-07-02 原文 →
AI 资讯

Presentation: Enhancing Reliability Using Service-Level Prioritized Load Shedding at Netflix

The speakers discuss Netflix’s architecture for surviving extreme traffic spikes. They explain the mechanics of prioritized load shedding embedded in their Envoy sidecar proxy, allowing user-initiated requests to steal capacity from non-critical traffic. They share automated platform strategies for continuous chaos load testing, config generation, and retry storm mitigation. By Anirudh Mendiratta, Benjamin Fedorka

2026-07-02 原文 →
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Amazon has enough satellites to launch its Starlink competitor

Amazon says it now has enough satellites operating in low-Earth orbit to light up its Starlink internet competitor. With last night's launch, Amazon Leo has 396 satellites deployed, which is "enough to support continuous service across initial latitudes," according to Chris Weber, VP heading up business and product for Amazon Leo. That puts the company […]

2026-07-02 原文 →
AI 资讯

Why California’s carbon manure math doesn’t add up

Something stinks in California’s climate policies. Years ago, the state set up a system that pays cattle farmers across the country to turn the methane emitted from cattle manure into natural gas, encouraging the dairy sector to produce a gas we burn instead of one that just pollutes the air. It’s become wildly popular because…

2026-07-02 原文 →
AI 资讯

Data Oriented Design in non gamedev related areas

I recently started doing some research about data oriented design and I find material mostly from gamedevs. I understand that it became popular by Mike Acton, but I think the principles could be applied to more than one domains. For example for statistics libraries and quant data analysis. Do you use this approach in non gamedev related areas. Could you please mention real world examples? TIA submitted by /u/codingbliss12 [link] [留言]

2026-07-02 原文 →
AI 资讯

I run my homelab like a miniature data centre — here's the network design that made it possible

The homelab started flat. One /24, everything on it. My workstation, the NAS, the Proxmox host, and — over time — a growing list of workloads sharing the same broadcast domain because that was the path of least resistance. For a while, that was fine. A homelab running one workload doesn't need segmentation any more than a house needs an office door. Then I stood up an Akash provider. An Akash provider is, in shape, a Kubernetes cluster that accepts inbound tenant workloads from the internet — real deployments, paying for compute, containers I didn't write landing in namespaces on my hardware. The provider itself is documented at github.com/jjozzietech/akash-provider-ops-public — this piece is about the network underneath it. The containerisation posture itself is fine. I trust the isolation model. But trust isn't a network design. And the network at that moment had the tenant workload cluster sitting on the same subnet as my workstation, my NAS, and my Proxmox management interface. That was the moment I stopped thinking of the rack as a home network with extra boxes, and started thinking of it as a small data centre. This piece is the network design that came out of that shift. I'll cover the layout, the rules that hold it together, and the Nexus and Proxmox configs that anchor it — with the specifics of my own deployment sanitised. It's not a step-by-step replication guide. It's the design pattern, with enough of the shape to be useful and enough restraint to not double as a recon document for my own rack. // the original design The flat layout looked like this: home lan — 192.168.1.0/24 opnsense (perimeter) cisco nexus (dumb L2 switching) proxmox host workload VMs (all on the same subnet) What it got right: zero routing complexity, everything reachable from everywhere, fast to stand up. If you're running one project on a homelab, this is the correct design. Don't over-engineer it. What stopped working, as soon as the second project landed on the rack, was that the

2026-07-02 原文 →
AI 资讯

I Finally Read Designing Data-Intensive Applications (2nd Edition) - Here's Why Every Backend Engineer Should

If you've spent any time exploring backend engineering, distributed systems, or system design, you've almost certainly seen one book recommended more than any other: Designing Data-Intensive Applications , or DDIA for short. For years, I've heard experienced engineers describe it as the book that completely changed the way they think about software architecture. When the second edition was released with updated content covering modern distributed systems and cloud-native architectures, I decided it was finally time to see whether it deserved the hype. After reading it from beginning to end, I understand why this book has become a classic. It isn't another programming book that teaches a framework, a database, or a cloud platform. Instead, it teaches something much more valuable: how to think about building systems that continue working when data grows, traffic increases, and failures become inevitable. If you're a backend engineer—or want to become one—this is probably one of the best technical books you can read. This Isn't Really a Database Book The title can be a little misleading. Before opening DDIA, I assumed it would spend hundreds of pages comparing databases or discussing storage engines. Databases are certainly a major part of the discussion, but they're really just one piece of a much larger picture. The book is about designing systems that process enormous amounts of data while remaining reliable, scalable, and maintainable. Those systems happen to rely on databases, but they also involve replication, partitioning, distributed communication, stream processing, fault tolerance, consistency, messaging, and dozens of other architectural concepts that appear in modern software systems. By the end of the first few chapters, it becomes clear that the authors aren't trying to teach products. They're teaching engineering principles that remain useful no matter which technologies you're using. It Explains Why , Not Just How One of my favorite things about DDIA is

2026-07-02 原文 →