Prompt caching for LLM APIs: 6 reasons your cache never hits
Originally published on Extenify . Prompt caching can make the repeated part of an LLM prompt up to 90% cheaper on OpenAI, Claude and Gemini, but a lot of backe…
Englishdev.to JavaScript
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The Maintenance Message Ships With the Switch Off: What /api/runtime Actually Sends
I work on OnePassApps, the team behind app.onepassapps.com, so this is our own API, and every value below was measured this morning from outside the browser, si…
Englishdev.to JavaScript
Require a Real Boolean Before Creating a Gift-Wrap Task
Workstations at YX Fulfillment. An order payload contains giftWrap: "false" . A JavaScript adapter checks if (payload.giftWrap) and creates the packing task any…
Englishdev.to JavaScript
How to Build 60 FPS 2D Particle Explosions in 10 Lines of Vanilla JS (With AI Prompt)
Most indie devs prompting AI for particle effects end up with bloated classes that trigger garbage collection lag every time an enemy explodes. Instead, tell yo…
Englishdev.to JavaScript
Why Parsing 35 Bytecode Flags in an LLM Prompt is Slowing Down Autonomous Trading Agents
Over the past few months building execution loops for autonomous trading agents across EVM and Solana, our engineering team ran into an architectural bottleneck…
Englishdev.to Rust
Evaluating Crates.io for Distributing Packages of a New Rust-Compiled Programming Language
Introduction The emergence of a new programming language that compiles to Rust presents an intriguing opportunity to leverage crates.io , Rust’s official packag…
Englishdev.to Rust
When a Viral Lemmy Thread Made Me Rethink My Kid's Screen Time — And My Codebase
When a Viral Lemmy Thread Made Me Rethink My Kid's Screen Time — And My Codebase I was scrolling Lemmy late one night, coffee cooling beside a half‑finished PR,…
Englishdev.to Go
WeKnora: turn scattered documents into one queryable knowledge system
WeKnora Most teams do not have a knowledge problem. They have a scattered documents problem, and every answer starts with another search. WeKnora , from Tencent…
Englishdev.to Go
kagent AI agents Kubernetes: the framework in detail
kagent AI agents Kubernetes: the kagent-dev/kagent repository describes a « Kubernetes native » framework to build, deploy and manage AI agents. An agent become…
Englishdev.to Go
Cassandra vs PostgreSQL: How Facebook's Inbox Search Led to a Distributed Database
A database choice that starts with a search problem Imagine you're building a messaging application. Users send thousands of messages every second. Over time, t…
Englishdev.to Database
Context graphs vs knowledge graphs: the 2026 vendor wave, explained
Two vendors shipped products in the last two weeks of October, and four more published around the same idea. Neo4j launched a Context Engine on October 20. Kore…
Englishdev.to AI
Come montare un video su una timeline e mixare l'audio su più tracce con osFoundry
Venerdì pomeriggio, e lunedì va consegnato un video prodotto di due minuti. Il girato è sul portatile, la musica di sottofondo ha ancora bisogno di un ritornell…
Englishdev.to AI
AI Agents vs Chatbots: What's the Difference?
If you have been quoted for a chatbot lately, you may have noticed a second word creeping into the conversation: agent. Vendors use the two terms almost interch…
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How to Make a Photo Dance with AI: What the Photo and the Dance Clip Need
An AI dance generator takes two inputs: a still photo of a person and a short dance clip. It returns a new video in which the person from the photo performs the…
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The software factory is the next extinct wrapper
Factory AI and Warp are betting that orchestration becomes more valuable as coding agents improve. I'm making the opposite bet: the model gets more capable, the…
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AI Training Jobs From Home: Human Data Tasks on TestLancer
AI training jobs from home pay people to label data and judge AI answers, because AI models still learn from human judgement. TestLancer runs AI data projects s…
Englishdev.to AI
A Language Selector Dropdown With No Framework and No Layout Shift
A language selector sounds like a small job until you ship it on a page where every pixel matters. On ramrom.io I run a video downloader with nine languages and…
Englishdev.to CSS
Three surfaces have to look like the same app, two import the tokens, and the third types 18 hex codes
Munchable has three surfaces that all have to look like one product: the Expo app, the Next.js marketing and answers site, and a Remotion package that renders m…
Englishdev.to CSS
![[AWS] Should you return results or answers? The difference between Web Search and Web Answer [AgentCore]](https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fqiita-user-contents.imgix.net%252Fhttps%25253A%25252F%25252Fcdn.qiita.com%25252Fassets%25252Fpublic%25252Farticle-ogp-background-afbab5eb44e0b055cce1258705637a91.png%253Fixlib%253Drb-4.1.1%2526w%253D1200%2526blend64%253DaHR0cHM6Ly9xaWl0YS11c2VyLXByb2ZpbGUtaW1hZ2VzLmltZ2l4Lm5ldC9odHRwcyUzQSUyRiUyRnMzLWFwLW5vcnRoZWFzdC0xLmFtYXpvbmF3cy5jb20lMkZxaWl0YS1pbWFnZS1zdG9yZSUyRjAlMkYxOTI5NDklMkYxYmVjZGE4YTRmMWRiOWU5OTQyZDljOGMwYjZkZDA3NjkwMTM2NjgwJTJGbGFyZ2UucG5nJTNGMTc0MTQ4MzQxMD9peGxpYj1yYi00LjEuMSZhcj0xJTNBMSZmaXQ9Y3JvcCZtYXNrPWVsbGlwc2UmYmc9RkZGRkZGJmZtPXBuZzMyJnM9MDZlM2QxY2EzNTVhN2Y4N2M2ZTQxY2RlYzdmN2M0ODI%2526blend-x%253D120%2526blend-y%253D462%2526blend-w%253D90%2526blend-h%253D90%2526blend-mode%253Dnormal%2526mark64%253DaHR0cHM6Ly9xaWl0YS1vcmdhbml6YXRpb24taW1hZ2VzLmltZ2l4Lm5ldC9odHRwcyUzQSUyRiUyRnMzLWFwLW5vcnRoZWFzdC0xLmFtYXpvbmF3cy5jb20lMkZxaWl0YS1vcmdhbml6YXRpb24taW1hZ2UlMkYxZTIwZGI1ZTdlNDA3ZWFlN2I5NzBlYzk5OTg4MGRjOGMzY2MwZjY0JTJGb3JpZ2luYWwuanBnJTNGMTY2NzI3NDk2Mz9peGxpYj1yYi00LjEuMSZ3PTQ0Jmg9NDQmZml0PWNyb3AmbWFzaz1jb3JuZXJzJmNvcm5lci1yYWRpdXM9OCZiZz1GRkZGRkYmYm9yZGVyPTIlMkNGRkZGRkYmZm09cG5nMzImcz04OTI0NDcwMDk1MDMyZjUxYmZlNzE3ZjVkOGUzYmE3ZA%2526mark-x%253D186%2526mark-y%253D515%2526mark-w%253D40%2526mark-h%253D40%2526s%253D0db13b4aef231a19bc684897cf15021a%3Fixlib%3Drb-4.1.1%26w%3D1200%26fm%3Djpg%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-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%26mark-x%3D120%26mark-y%3D112%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjEuMSZ3PTgzOCZoPTU4JnR4dD0lNDBOYW5hXzc3NyZ0eHQtY29sb3I9JTIzMUUyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTM2JnR4dC1wYWQ9MCZzPTg1YzQ4MzUyMmVkMGVhNmYxYjhkZjU5MjVjYzhiNjQz%26blend-x%3D242%26blend-y%3D454%26blend-w%3D838%26blend-h%3D46%26blend-fit%3Dcrop%26blend-crop%3Dleft%252Cbottom%26blend-mode%3Dnormal%26txt64%3DS0RESeOCouOCuOODo-OCpOODq-mWi-eZuuOCu-ODs-OCv-ODvOagquW8j-S8muekvg%26txt-x%3D242%26txt-y%3D539%26txt-width%3D838%26txt-clip%3Dend%252Cellipsis%26txt-color%3D%25231E2121%26txt-font%3DHiragino%2520Sans%2520W6%26txt-size%3D28%26s%3D25cce219e7e398d8b8c1cf4fc17bd201)
[AWS] Should you return results or answers? The difference between Web Search and Web Answer [AgentCore]
This article is a machine translation of the contents of the following URL, which I wrote in Japanese: 【AWS】結果を返すか、答えを返すか。Web SearchとWeb Answerの使い分け【AgentCore】 …
Englishdev.to AWS
dynamoat: running the DynamoDB API on your own PostgreSQL
I've just open-sourced dynamoat , a server that speaks the DynamoDB API and stores everything in PostgreSQL. You point an AWS SDK at it by changing one environm…
Englishdev.to AWS