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How to Get Your First Tool Online
TL;DR - A finished app that only runs on one laptop is a private demo. Getting it online means connecting three things: a place to store the code (version control), a place to run it (a host), and an address people can type (a domain). The same AI tool that helped build the app can walk a beginner through all three, often without ever opening a terminal. An important step you don’t want to skip is the security check before going live, because the fastest way to ruin a launch is to ship with the database wide open. So you’ve done it. You built your first tool. And it works. The button does the thing. Now’s the moment. It’s time to get your tool online, but how? A project running on a laptop is real, but it lives in exactly one place, the machine it was built on. Nobody else can open it. Getting that project online is its own small skill, separate from building, and it trips up more beginners than the building did. A new coder can finish a working photo booth app in an afternoon and still have no idea how to hand it to a friend short of pulling up the GitHub link while sitting together over coffee. The good news is that the part that used to eat a whole weekend now takes a conversation. Three Things Every App Needs to Go Live Almost every deployment, whatever the tool, comes down to three things working together. Version control: This is a place to store the code and track every change made to it. For most people that means GitHub, which we’ve talked about before. The same way Google Docs keeps a version history, GitHub keeps one for a project. This piece does not re-explain it; the GitHub walkthrough covers the whole thing. A host: A host is really just a computer that stays powered on and connected to the internet with a public address of its own. When a visitor types in the app's address, their browser sends a request across the internet to that machine, the machine runs the code, and it sends the finished page back. A laptop was quietly doing both jobs during the
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AI Is Moving up the Software Lifecycle: From Code Review to PRD Governance
Technology companies are extending AI beyond code generation into earlier stages of the software lifecycle, including PRD validation, design inputs, and code review. Initiatives from Uber, DoorDash, and Cloudflare highlight a shift toward AI-driven governance layers that evaluate engineering artifacts before implementation while preserving human oversight across the development pipeline. By Leela Kumili
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The Monotonic Stack: Like Gandalf's Staff for Array Problems
The Quest Begins (The "Why") Honestly, I still remember the first time I stared at the Daily Temperatures problem on LeetCode and felt like I was trying to crack a vault with a toothpick. The brute‑force solution — two nested loops, checking every future day for a warmer temperature — was simple to write, but it timed out on the larger test cases. I spent an hour tweaking loops, adding early breaks, and even trying to memoize results, only to watch the same red “Time Limit Exceeded” banner flash again. I was frustrated, but more than that, I was curious. Why did this problem feel so repetitive ? Every element seemed to be asking the same question: “What’s the next greater value to my right?” If I could answer that for each index in a single pass, the whole thing would collapse into O(n). That’s when I remembered a weird little data structure I’d seen in a textbook — the monotonic stack — and realized it might be the magic wand I needed. The Revelation (The Insight) Here’s the thing: a monotonic stack isn’t just a stack with a funny name; it’s a way to capture relationships between elements without ever looking backward more than once . Imagine you’re walking through a line of people sorted by height, and you want to know, for each person, who is the first taller person standing ahead of them. If you keep a stack of people whose heights are strictly decreasing as you move from left to right, then whenever you see a new person taller than the one on top of the stack, you’ve just found the answer for that stacked person: the current person is their “next greater.” You pop them off, record the distance, and keep going. Because each index is pushed once and popped at most once , the total work is linear. The same idea works for “next smaller,” “previous greater,” or any problem where you need the nearest element that satisfies a monotonic condition. The stack does the heavy lifting of remembering candidates that could still be relevant, discarding the ones that are alrea
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What's Wrong with DEV.to Notifications?
I've been using DEV.to for a while, and one area that often feels inconsistent is the notification...
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Give Your Codebase a Constitution
Architecture that lives only in people's heads doesn't survive agents. For most of my career, the real rules of a codebase weren't written down. People knew them. Senior engineers knew which layers could talk to which. They knew which dependencies were forbidden, which schemas were effectively frozen, and which shortcuts would create problems six months later. New engineers learned those rules the traditional way: break one, get caught in review, get the explanation, and eventually remember not to do it again. It wasn't perfect, but it mostly worked. What I didn't fully appreciate until I started working heavily with coding agents is how dependent that model is on tribal knowledge. Humans accumulate context over time. Agents don't. They don't remember the migration that went sideways three years ago. They weren't around when the team spent weeks untangling a dependency cycle. They don't know why a particular boundary exists. They only know what they can see. Which means if a rule isn't written down, from the agent's perspective, the rule doesn't exist. I've seen agents wire inner layers directly to outer layers. I've seen them introduce dependencies we intentionally avoided and extend contracts everyone on the team considered settled. The code often worked, which was the dangerous part. The problem wasn't correctness. The problem was architectural drift. That's when something clicked for me. Architecture can't remain folklore once agents start writing code. It has to become law. Not a convention. Not a suggestion. Not something a reviewer remembers at 6 PM on a Friday. A law. Written down, explicit, and enforceable. That's what I mean by a constitution. A Constitution Is Not Documentation The first mistake I made was treating the constitution like another documentation file. It isn't. Documentation explains how the system works today. A constitution defines what the system is allowed to become. Those sound similar, but they serve very different purposes. Package nam
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Anthropic’s Fable/Mythos shutdown is the first real model export-control shock
Anthropic’s Fable/Mythos shutdown is the first real model export-control shock The important AI story this week is not just that Anthropic launched bigger Claude models. It is that the US government then told Anthropic to switch two of them off for foreign nationals — and Anthropic says the practical answer was to disable them for customers while it works through compliance. That is a very different kind of platform risk than rate limits or pricing changes. If you are building on frontier models, model access can now move because of export-control decisions, safety claims, and geopolitical pressure. What happened Anthropic announced Claude Fable 5 and Claude Mythos 5 on June 9. Fable 5 was described as Anthropic’s most capable generally available model, with stronger performance across software engineering, knowledge work, vision, scientific research, and longer complex tasks. Mythos 5 was positioned above that: an upgrade to Claude Mythos Preview, with Anthropic calling out cyber-defence and life-sciences use cases. Three days later, Anthropic published a blunt update: the US government had issued an export-control directive requiring Anthropic to suspend all access to Fable 5 and Mythos 5 by any foreign national, whether inside or outside the United States — including foreign-national Anthropic employees. Anthropic said the order arrived at 5:21pm ET on June 12, did not include detailed specifics, and that its understanding was that the government believed it had become aware of a jailbreaking method for Fable 5. Anthropic said access to other models was not affected, but the “net effect” was that it had to abruptly disable Fable 5 and Mythos 5 for customers to ensure compliance. Al Jazeera’s follow-up on June 19 frames the downstream effect clearly: allied countries and companies are now being forced to think harder about dependence on US frontier-model access. It also reports that Anthropic had granted roughly 200 institutions across 15 countries access to Claud
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Why Are We Still Writing Code When No One Is Going to Read It?
One of the oldest axioms of software engineering is that code is written primarily for humans to read, and only secondarily for machines to execute. Clean code, expressive variable names, and architectural elegance all serve a single purpose: to ensure that the next developer - or our six-months-older self - can understand what on earth happened. Code has always been a cultural artifact, a shared language, a bridge between human intent and silicon. But what happens to this bridge in the era of vibe coding? We are rapidly moving toward a reality where code is generated by LLMs and pull requests are reviewed by LLMs. When the resulting string of characters is spawned by a machine and audited by a machine, human readability immediately ceases to be a primary metric of quality. This forces a radical question upon us: If code no longer needs to be human, does the code itself need to change? Why do we still cling to Python, to micro-frontends, or to neatly structured repositories? We invented these structures to accommodate the cognitive limitations of the human brain - to keep ourselves from drowning in complexity. An AI doesn’t need these training wheels. To an LLM, a 50,000-line monolithic spaghetti-code mess, completely impenetrable to a human eye, is just as easy to parse as the most pristine clean architecture. So, what is the point of the code itself? Is it possible that code is merely a transitional, obsolete interface—a form of "digital carbon monoxide" that we will soon phase out entirely, replacing it with pure intent and mathematical weights? I ran this exact thought experiment in practice recently when I built a tiny, native macOS utility called Portia over a single weekend (you can check it out here: getportia.app ). The app's function is dead simple: when a port gets stuck (EADDRINUSE), it frees it up with a single click. Throughout development, I was almost exclusively in vibe coding mode. I wasn’t thinking about syntax; I was thinking about the problem an
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How I Have Build Memory That Actually Works for AI Coding
Most AI coding assistants do not really remember your project . They remember just enough to be dangerous . They see the latest prompt, skim a few files, improvise, and then forget the reasoning that made the answer useful five minutes ago. That is fine for toy demos. It breaks down fast inside a real software codebase. In Knotic I take an harder line . Instead of treating memory like a chat log with extra lipstick, I treat memory as infrastructure . Project knowledge is separated from session knowledge. Source material is separated from condensed understanding . Old context is compressed instead of blindly dragged forward. The result is a system that feels less like autocomplete with a caffeine habit and more like an AI engineering partner that can stay oriented over time. If you care about AI coding assistant memory , context engineering , persistent project memory , or long-term memory for software development , this is the part worth paying attention to. The Real Problem With AI Memory in Coding Tools The average AI IDE has the same failure mode . It looks smart on the first turn and shaky on the fifth . Why? Because software work is not just about answering the latest question. It is about carrying forward constraints, architecture, naming conventions, decisions, tradeoffs, dead ends, file relationships , and the exact context of the change in progress. When an assistant does not separate those layers, everything gets mixed together . Stable project facts sit next to temporary tool output. Important decisions compete with random noise. The model burns tokens re-reading the same files, or worse, works from partial memory and starts making up the missing pieces . Knotic solves this by splitting memory into distinct layers , each with a clear job. That design choice sounds simple. In practice, it changes everything . Knotic Does Not Use One Memory. It Uses Three. Knotic's memory model is built around three different kinds of context . The first is long-term projec
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Cómo hacer una buena revisión de código
Revisar código es una de las actividades más subestimadas del desarrollo de software. La mayoría de los equipos la tratan como un trámite, algo que hay que aprobar antes de mergear. El resultado es que los PRs se aprueban con un “LGTM” después de dos minutos de scroll, y los problemas reales pasan de largo. Una revisión bien hecha no es leer línea por línea buscando typos. Es entender qué intenta hacer ese código, si lo hace de la manera correcta, y si introduce riesgos que no existían antes. Eso requiere un proceso, no un instinto. Este artículo cubre cómo estructurar ese proceso: qué revisar, en qué orden, qué preguntas hacer, y cómo detectar problemas de seguridad sin ser un experto en ciberseguridad. Empieza por el contexto, no por el código El error más común en code review es abrir el diff y empezar a leer desde la primera línea modificada. Antes de ver una sola línea, necesitas entender qué problema resuelve este cambio. Lee la descripción del PR. Si no hay descripción, o si dice “fixes bug”, ya encontraste el primer problema. Un PR sin contexto obliga al reviewer a reconstruir el razonamiento del autor desde cero, y eso aumenta la probabilidad de aprobar algo que no debería aprobarse. Lo que un buen PR debe explicar: Qué cambia no cómo, sino qué problema resuelve Por qué este approach si hay alternativas que se descartaron, decirlo Cómo probarlo, pasos para verificar que funciona Qué no cubre, scope explícito evita confusiones Si tienes esa información antes de ver el diff, tu revisión va a ser significativamente más efectiva. Qué revisar y en qué orden No toda línea de código merece el mismo nivel de atención. Un buen reviewer distribuye su energía de forma inteligente. Primero: arquitectura y flujo de datos. ¿El cambio tiene sentido a nivel de diseño? ¿Agrega una dependencia innecesaria? ¿Rompe alguna abstracción existente? Esto es lo más difícil de cambiar después. Segundo: lógica de negocio. ¿El código hace lo que dice que hace? ¿Los edge cases están cub
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Rejected by Google, Welcomed by Microsoft: A Journey Through Low-Level Grinding
There was a phase when Google was the only goal I could see. I pushed myself through endless DSA...
AI 资讯
AI coding agents taught robots how to install GPUs and cut zip ties
Nvidia's self-improvement program for robots enlists teams of AI coding agents.
AI 资讯
Your Nouns Are Not Your Architecture
A common way to design an application is to begin with its nouns: User Product Order Payment Then each noun receives the standard architectural starter pack: UserController UserService UserRepository The controller receives users, the service services them, and the repository stores them somewhere responsible. This is noun-oriented architecture : treating every important thing in the domain as if it were automatically a useful software boundary. It works for simple CRUD systems. Unfortunately, most applications eventually do something. The noun becomes a drawer Consider a typical UserService : register() findByEmail() resetPassword() changeAddress() disableAccount() mergeAccounts() assignRole() calculateDiscount() These operations all involve a user. That is approximately where their similarity ends. They have different rules, dependencies, side effects, security concerns, owners, and reasons to change. They live together because User was the nearest available noun when the folders were created. As more behaviour accumulates, UserService becomes the official location for anything vaguely user-shaped. Other components depend on it. It gradually depends on authentication, email, permissions, billing, auditing, and several services added during incidents nobody wishes to revisit. The noun becomes both a dependency of everything and a consumer of everything. The folder remains impressively tidy. Name the capability, not the material A better starting question is not: What things exist in this system? It is: What must this system be capable of doing? That leads to components such as: UserRegistrar PasswordResetter AccountMerger OrderPlacer PaymentRefunder SubscriptionCanceller These are agentive names . They name the component responsible for performing a capability. Compare: UserService with: PasswordResetter UserService tells us which noun is nearby. PasswordResetter tells us what the component is for. That difference produces better architectural questions: What rules
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The Slot-Machine Was the Point
Lars Faye's Agentic Coding Is a Trap — published Sunday, May 3, picked up on Hacker News at 398 points and 316 comments — is the best single compendium of the cognitive-debt evidence base anyone has put together in 2026. It catalogues the studies. It names the trade-offs. It lands on a personal-discipline conclusion. The receipts are now collected; the careful reader will have spent the weekend nodding through them. Buried in Faye's second paragraph, almost in passing, is the line that does the actual analytical work. Faye describes the agentic workflow as a process in which "someone defines the project's requirements ... generates a plan, and then pulls the slot machine lever over and over, iterating and reiterating with often multiple agent instances until it's done." The link goes to a March post by Quentin Rousseau, CTO and co-founder of Rootly, titled One More Prompt: The Dopamine Trap of Agentic Coding. The metaphor isn't Faye's. Rousseau got there first, in clinical language: the workflow runs on "variable ratio reinforcement — the same psychological mechanism that makes slot machines the most addictive form of gambling" . That is the framing the rest of Faye's piece is downstream of, and it is the framing this article is about. What the receipts add up to Faye's catalogue, briefly. Anthropic's own research note on internal use names what it calls the "paradox of supervision" : effective use of Claude requires the very skills that sustained Claude use atrophies. MIT Media Lab's Your Brain on ChatGPT measured the cognitive impact and labelled it cognitive debt . A Microsoft study covered by 404 Media reached parallel findings for knowledge workers more broadly. A separate Anthropic study on coding skills reported a 47% drop-off in debugging skills among engineers leaning heavily on AI-assisted workflows. Sandor Nyako, the LinkedIn engineering director who oversees fifty engineers, has reportedly asked his team not to use these tools for "tasks that require cri
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I 10x’d My Output by Delegating These 7 Things to AI (And Why I’ll Never Delegate These 6) - 06 of 21
By spring 2026, the division of labor between human engineers and AI had become precise enough to describe. Not speculate about. Describe. Delegate these 7 immediately: Boilerplate generation: CRUD scaffolding, config files, standard patterns. Near-human accuracy. Review required is a naming scan, not a logic audit. Test generation: 40-60% faster test development with no measurable decline in coverage quality, provided the tests are reviewed by someone who understands the domain. Documentation: 67% of companies rely on AI-assisted doc generation in 2026. The first draft is a solved problem. Your job is verifying and contextualizing. Code translation: Python to TypeScript. React to Vue. Framework migrations that once consumed sprint cycles now take hours. Routine bug fixing: Claude Code, Devin, BugBot can resolve 60% of reported bugs autonomously. Resolution time down 30-50%. Automated code review: First-pass filter before human review. Misses context issues. Doesn't replace human review. Eliminates noise so you focus on signal. Commit hygiene: Messages, PR summaries, changelog entries. Fully automatable. No meaningful error rate. Never delegate these 6: Architecture and system design: AI proposes. You decide. The tradeoffs require organizational context, team capability assessment, and long-horizon thinking no model possesses. Business context translation: The spec says "export to CSV." You ask: which users, under what conditions, with what compliance implications? AI cannot know the specification is wrong. You can. Security architecture: AI generates vulnerabilities as readily as it detects them. Adversarial thinking is not statistical. It is human. Long-horizon product thinking: What to build and why. Not how. Multi-stakeholder navigation: The politics, the relationships, the conversation with the PM that keeps the sprint on track. No model has stakes in the outcome. Agent orchestration: Designing, managing, and correcting the AI systems themselves. This is the ne
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SpaceX to acquire AI coding platform Cursor for $60 billion
Separately, neither could compete. Now they hope they can.
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Comparable vs Comparator in Java
In Java, sorting is an important operation when working with collections such as ArrayList, LinkedList, and other data structures. For primitive data types, Java already knows how to sort values. However, for custom objects like Student, Employee, or Product, Java needs instructions on how objects should be compared. To achieve this, Java provides two interfaces: Comparable – Used for natural sorting. Comparator – Used for custom sorting. Comparable Interface Comparable is an interface available in the java.lang package. It is used to define the natural ordering of objects. The sorting logic is written inside the class itself using the compareTo() method. Method int compareTo(T obj) Return Values Negative - Current object comes before the given object Zero - Both objects are equal Positive - Current object comes after the given object When to Use Comparable? Use Comparable when: A class has one default sorting order. The sorting logic is a natural property of the object. The sorting criteria rarely change. Comparator Interface Comparator is an interface available in the java.util package. It is used to define custom sorting logic outside the class. Multiple comparators can be created for the same class. Method int compare(T o1, T o2) Return Values Negative - First object comes before second object Zero - Both objects are equal Positive - First object comes after second object When to Use Comparator? Use Comparator when: Multiple sorting criteria are required. You don't want to modify the original class. Different sorting orders are needed at different times.
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Claude Desktop vs Antigravity 2026: Why I Moved Back
Originally published on rikuq.com . Republished here for Dev.to's readers. I dropped my $100/month Claude Max subscription and migrated entirely back to Antigravity. If you want the verdict upfront: Claude Desktop is still the best tool for beginners who need the AI to guess their intent from clumsy prompts. But if you have solid documentation discipline and cost efficiency is a serious factor for your SaaS, Antigravity is now the clear winner. I'm a Chartered Accountant by trade with zero formal coding experience. I’ve shipped three production AI SaaS— Prism , Citare , and BatchWise —relying entirely on AI tools. I started with VSCode, moved to Antigravity (when it was just an IDE), and eventually landed on the Claude Desktop App. Claude was incredible; it operated in the background, handled my stack, and I didn't need to know what was happening under the hood. But the bills started stacking up. When my Claude usage consistently hit $100 a month, efficiency became a priority. I fired up the new version of Antigravity and found the recent updates had completely transformed it. It is no longer just an IDE—it is a full agentic desktop experience that mirrors what made Claude so good. TL;DR — The 2026 Reality Feature Claude Desktop App Antigravity (New Update) Best for Beginners, unlimited budgets, "pure performance" Experienced AI directors, cost-conscious solo founders Pricing $100+/mo (Claude Max) $20/mo (Gemini Advanced) Agentic Workflow Exceptional. The benchmark. Identical. Background execution, zero friction. Context Handling Better at anticipating intent from messy prompts Huge total memory, but requires tighter prompting MCP Support Native Native (handles them just as well) Verdict Keep it if cost doesn't matter Switch to it if efficiency is the goal The Catalyst for Switching My path to Antigravity wasn't a calculated feature comparison. It was pure economics combined with a pleasant surprise. I had previously dropped Antigravity when it was just an IDE. When
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ArrowJS Reaches 1.0, Recast as the First UI Framework for the Agentic Era
ArrowJS, developed by Justin Schroeder, is a reactive UI library that has reached its 1.0 release after three years in development. It utilizes core web technologies, avoids JSX and compilers. Notable features include an optional WASM sandbox for executing untrusted code. The framework's minimalism is highlighted by its reliance on three main functions: reactive, html, and component. By Daniel Curtis
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How a 10-Minute Bug Fix Completely Changed My Coding Mindset
When I first started learning how to code, I spent most of my time practicing and working on small...
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Coding-Agent Misalignment: Turn Failure Taxonomies into QA Checks
Coding agents are no longer just autocomplete with a longer prompt. GitHub describes Copilot cloud agent as software that can research a repository, create an implementation plan, make code changes on a branch, run in an ephemeral GitHub Actions-powered environment, and let a developer review or create a pull request afterward. OpenAI's Codex GitHub integration similarly positions code review as a repository-aware review pass that follows AGENTS.md guidance and focuses comments on serious issues. That shift changes the buyer question. The useful question is not "does the agent usually write code?" It is "can the team detect when the agent drifts away from the developer's intent before the change reaches production?" A May 2026 arXiv paper, "How Coding Agents Fail Their Users" , gives teams a better vocabulary for that review. The authors studied 20,574 real IDE and CLI coding-agent sessions across 1,639 repositories and define misalignment as a breakdown that becomes visible through developer correction or pushback. The paper reports seven recurring symptom categories: wrong project diagnosis, misread developer intent, developer constraint violation, self-initiated overreach, faulty implementation, operational execution error, and inaccurate self-reporting. Effloow Lab also ran a bounded OpenAI API check using three synthetic, non-confidential coding-agent transcript snippets. The run did not measure real-world incidence, compare vendors, or reproduce the paper. It produced a small rubric that maps visible symptoms to review gates such as diff-scope checks, evidence-before-edit checks, acceptance-criteria coverage, and verification-output requirements. The public lab note is available at /lab-runs/coding-agent-misalignment-failure-taxonomy-poc-2026 . This guide turns that research and lab output into a practical QA checklist for teams buying, piloting, or packaging coding-agent workflows. Why This Matters for Agent Buyers Coding-agent procurement often starts with p