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Hey dev.to community! 👋 Over the last few months, juggling my roles as a Project Manager, Scrum Master, and lead for QA, Support, and Documentation has been a wild ride. The sheer speed of "vibe coding"—a paradigm shift where the primary role of the developer transitions from manual code construction to high-level intent orchestration—is incredible. Tools like Cursor, Replit Agent, and Google Antigravity allow us to scaffold entire microservices in minutes. However, while this transition offers unprecedented generative velocity, it introduces systemic risks concerning architectural integrity, long-term maintainability, and security. That’s why I’m sharing Cronos (Version 2.0) : a new, strategic methodology I’ve formalized for human-validated vibe coding and agentic software engineering. Real-World Testing & The Multi-Track Approach We have been rigorously testing this framework with our team over the last three months. The empirical results have been fantastic, tracking closely with the framework's theoretical efficiency models to deliver an almost 4x gain in productivity. To maintain production stability while achieving this speed, we adopted a multi-track approach. We continue to use standard Scrum for our maintenance track, which handles smaller tasks, support requests, and standard bug fixes. Meanwhile, Cronos is deployed exclusively for our parallel feature track, tackling larger Epics and new feature development. This ensures production stability does not stall innovation velocity. What is Cronos? The genesis of Cronos lies in the recognition that traditional Agile methodologies often fail to keep pace with the collapsed feedback loops of AI-driven development. In the current agentic era, the bottleneck has shifted from implementation to validation and strategic alignment. Cronos reconfigures the software development lifecycle (SDLC) around one-week "Cycles". Each cycle is a burst of high-intensity, AI-augmented creation coupled with a fixed duration of human

A field guide to the practice that's reshaping how software gets built with AI agents. TL;DR — Spec-Driven Development (SDD) makes a precise, executable specification the source of truth and treats code as a generated, verifiable artifact. The spec declares intent ; the code realizes it. In 2026 it went mainstream because AI agents are great at writing code and terrible at guessing what you meant. Jump to: Why now · Specs vs. executable specs · Maturity model · Workflow · Tooling · EARS · Worked example · Caveats · Bottom line Why now? The "vibe coding" backlash The movement defines itself against "vibe coding" — the term Andrej Karpathy popularized in early 2025 for loosely prompting an AI and shipping whatever comes back. Vibe coding is great for throwaway prototypes and miserable for anything that has to be maintained. SDD is the disciplined counterweight: if AI writes most of the code, then the specification becomes the highest-leverage artifact a human produces . The skill that matters shifts from typing the implementation to defining the intent precisely enough that a machine can't get it wrong. Raw specs vs. executable specs This is the single most important distinction in the whole topic — and the one most "SDD explainers" skip. Traditional design docs SDD specs Read by Humans Humans and agents Enforcement Advisory — devs may diverge Executable — tests fail on drift Lifecycle Goes stale, becomes archaeology Living, continuously validated Lives in A wiki nobody opens The repo + CI/CD "Traditional specs are read by humans, while SDD specs are executed as BDD scenarios, API contract tests, or model simulations." — Deepak Babu Piskala, Spec-Driven Development: From Code to Contract in the Age of AI Coding Assistants (arXiv, Jan 2026) [2602.00180] Spec-Driven Development:From Code to Contract in the Age of AI Coding Assistants The rise of AI coding assistants has reignited interest in an old idea: what if specifications-not code-were the primary artifact of softw

"Intelligence isn't about searching everywhere—it's about knowing where not to search." Artificial Intelligence is often associated with neural networks, large language models, and autonomous systems. But long before modern generative AI, computer scientists were solving a much deeper question: How do intelligent systems make decisions efficiently? Whether you're building search algorithms, recommendation systems, autonomous robots, or distributed systems, the architecture of intelligence teaches timeless lessons about solving problems under uncertainty. Let's explore five powerful ideas that shaped AI—and why they matter far beyond computer science. ✈️ 1. The Pilot's Dilemma: Why Blind Search Fails Imagine you're a pilot. Suddenly, one of your engines fails. In the next few seconds, there are hundreds of switches, buttons, and controls available. If you treated every control equally, you'd spend precious time trying random combinations. That is exactly how uninformed search works. Algorithms like: Breadth-First Search (BFS) Depth-First Search (DFS) have no knowledge of where the solution might be. They simply explore. Start ├── Option A ├── Option B ├── Option C └── ... The larger the search space becomes, the less practical this strategy is. A pilot doesn't blindly flip switches. They use additional knowledge : Engine pressure Fuel flow Hydraulic readings Warning systems Those clues dramatically reduce the number of possibilities. This is exactly what AI calls Informed Search . Instead of exploring everything, intelligent systems use knowledge to eliminate impossible paths before searching them. 🧠 2. Heuristics: The Cheat Code of Intelligence The secret behind informed search is something called a heuristic . A heuristic is simply an educated estimate. Mathematically, h(n) represents the estimated cost from the current state to the goal. One important rule always holds: h(goal) = 0 Once we've reached the goal, there's no remaining cost. Example: Finding Bucharest

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Internmaxxing Somebody on your timeline this week called intern code "API slop."...

How to Access 50+ Chinese AI Models Through One API The Chinese AI ecosystem exploded in 2025-2026. DeepSeek dropped training costs by an order of magnitude. Qwen 3 ships 19 variants from 0.6B to 235B parameters. GLM-5 competes head-to-head with GPT-5 at 3% of the price. There's Kylin, Yi-Lightning, Hunyuan-T1, MiniMax-M1, Step-2-16K, and 40+ more models from a dozen labs. The models are incredible. The fragmentation is not. Every lab has its own API. Different auth headers. Different response formats. Different streaming protocols. Different error codes. If you wanted to try 5 models from 5 Chinese labs last year, you'd need 5 SDKs and 5 billing dashboards. Nobody has time for that. This is exactly the problem AIWave was built to solve. One API Key. 50+ Models. Zero Code Changes. AIWave is a unified API gateway that aggregates 50+ Chinese AI models behind a single endpoint. It speaks the OpenAI API format, which means every existing tool, SDK, and codebase in your stack works without modification. Here's what that looks like in practice: from openai import OpenAI # Point to AIWave instead of OpenAI client = OpenAI ( base_url = " https://api.aiwave.live/v1 " , api_key = " sk-your-aiwave-key " ) # Use DeepSeek V4 Pro response = client . chat . completions . create ( model = " deepseek-v4-pro " , messages = [{ " role " : " user " , " content " : " Explain MoE architecture " }] ) # Switch to GLM-5 — change one string response = client . chat . completions . create ( model = " glm-5 " , messages = [{ " role " : " user " , " content " : " Explain MoE architecture " }] ) # Try Qwen 3 235B — same thing response = client . chat . completions . create ( model = " qwen3-235b " , messages = [{ " role " : " user " , " content " : " Explain MoE architecture " }] ) That's it. Whatever you're already using — the OpenAI Python SDK, LangChain, LlamaIndex, Vercel AI SDK, a custom fetch wrapper — continues to work. You change the base URL and the model name, and suddenly you have acce

Every Solana program eventually hits the same question: where do I put my data, and how do I find it again later? Programs are stateless, so a program's data lives in separate accounts, each at an address. The moment you store something, you owe an answer to a problem databases tend to hide from you: what address does this live at, and how does the program find it again tomorrow? Program Derived Addresses are Solana's answer. The name scares people off, but the idea is mostly "an address you compute instead of remember, that only your program can control." The problem, in code Say each user gets a counter account. The normal way to make an account is to generate a fresh keypair and store data at its public key: import { Keypair } from " @solana/web3.js " ; const counter = Keypair . generate (); // counter.publicKey is something random, e.g. 7Hx4...9fT // create the account at that address, write count = 0 It works. But the address is random, so nothing connects this user to that address . Tomorrow, when the user comes back to increment, how does your program find their counter? You're forced to keep a lookup table somewhere: // the mapping you now have to store and never lose const counters = { " 9fYL...user1 " : " 7Hx4...9fT " , " B2k9...user2 " : " Qz1p...4dR " , // ...times ten thousand users }; Lose that table, lose the data, even though the accounts are right there on chain. You're storing files in a warehouse and writing the shelf number on a sticky note. The fix: compute the address from what you already know What if the address were a function of the user instead of random? Give a function the word "counter" and the user's public key, and it hands back a fixed address. Same inputs, same address, every time. No table. That's a PDA. PDAs are 32-byte addresses derived deterministically from a program ID and a set of seeds. The seeds are the meaningful inputs you pick (here, "counter" + the user's key). With @solana/web3.js , the library Anchor's client uses: im

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Efficient C++ Programming for Modern 64-bit CPUs, Chapter 4/part 2 Here comes the 2nd installment of (VERY DRAFT) Chapters from my (and Dmytro Ivanchykhin's) upcoming book, "Efficient C++ Programming for Modern 64-bit CPUs" . Comments are extremely welcome (as before, we're committed to fixing all the issues highlighted in comments). Second part of Chapter 4 (the one on CPU Physics and CPU Cycles): https://6it.dev/blog/infographics-operation-costs-in-cpu-clock-cycles-take-2-80736 . In addition to some interesting data (in particular, micro-research on the progress of MUL/DIV ops since 2017), it has that visualization of the different times quite a few ppl here have asked for. DISCLAIMERS: - it is VERY DRAFT (editing is coming) - this is not a book on optimizations (though some techniques will be covered in Appendices A and B in Vol. 2) - this is a book on de-pessimizations; for optimizations - please refer to the excellent book by Denis Bakhvalov (though we're sure that de-pessimizations should be seen as a prerequisite for optimizations 😉). submitted by /u/no-bugs [link] [留言]

Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that runs on every commit. It is free and source-available on Github. Star git-lrc to help devs discover the project. Do give it a try and share your feedback. I boot up my machine. The desktop loads. And before I open my editor, before I check Slack, before I do a single productive thing, I right-click an empty patch of desktop and hit Refresh . Then I do it again. And again. I am a person who can explain event loops and reason about cache invalidation, and yet here I am, mashing F5 on a static wallpaper like it owes me money. If you've never done this, congratulations, you're better than me. If you have ... welcome. You're among friends. First, let's kill the myth There's a folk belief that refreshing the desktop is a tiny act of system maintenance. A little spring cleaning. A gift to your hardworking CPU. It is not. Manually refreshing your desktop does not : free up RAM reduce CPU load clear some mysterious cache make your PC faster in any way, shape, or form All it does is tell Windows Explorer to redraw the current view . That's it. That's the whole feature. What's actually happening under the hood Here's the part that's actually interesting (we're devs, we live for the "actually"). Windows doesn't repaint your entire screen on every frame, that would be wildly wasteful. Instead it leans on a composition engine that, with help from your GPU when one's available, only redraws the regions that changed since the last frame. Already drawn elements get cached and reused. Icons, the taskbar, your wallpaper they're all mostly static, so mostly left alone. When something genuinely changes (you save a file, delete a folder, plug in a drive), the OS detects it and tells the composition engine: "hey, this little rectangle changed, repaint just that." The desktop refreshes itself, automatically, all day long, without you ever touching anything. So the manual Refresh button is really just a manual overrid

"Email verification" sounds like one thing, but it's really a stack of checks of increasing depth and cost. Knowing what each layer actually proves helps you pick the right level instead of overpaying for verification you don't need. Layer 1: syntax The cheapest check: does the string look like a valid email address? A pragmatic regex catches obvious garbage ( asdf , a@@b , trailing spaces). It's instant and free, but weak on its own: nobody@asdf.asdf passes syntax and can't receive a single message. Layer 2: domain and MX records Next, does the domain actually accept mail? Every domain that receives email publishes MX (mail exchanger) records in DNS pointing to its mail servers. A quick DNS lookup tells you whether any exist. No MX (and no fallback A record) means the domain can't receive mail, so the address is undeliverable no matter how it's spelled. This single step removes a large class of fakes and dead domains. Layer 3: SMTP mailbox check The deepest level connects to the domain's mail server and begins the motions of sending a message to ask whether that specific mailbox exists, without actually delivering anything. It's the only layer that can hint a particular inbox is real, but it comes with real caveats: It's slow (a live connection per address). Many servers are "accept-all" and say yes to everything, so the answer is often meaningless. Lots of providers block or throttle these probes, and outbound port 25 is blocked on most modern hosting, so it's frequently unavailable anyway. SMTP checks matter most for cleaning old, cold lists, and far less for stopping junk at signup. The heuristics layer Alongside those, useful verification adds signal that has nothing to do with deliverability per se: Disposable detection: is it a throwaway provider? Role detection: is it info@ or admin@ rather than a person? Typo suggestions: "did you mean gmail.com?" for gmial.com . A deliverability score: one 0–100 number that rolls it all up so you can just threshold on it.

How I Cut My Multimodal AI Costs by 97% — A Freelancer's Guide Last month I almost killed a side gig because of a single line item on an invoice. A client wanted me to build a document-processing tool that could read scanned PDFs, pull text out of photos, and answer questions about charts. Easy enough — except I'd quoted the job assuming I'd use GPT-4o for the vision work. When I actually ran the numbers, I realized the API bill would eat my entire margin. I'd be working for free. Maybe worse. So I did what every freelancer does when the big-name vendor gets too expensive: I went hunting. And I landed on Global API, which routes to a bunch of multimodal models I've honestly never heard clients talk about. After a few weeks of testing, I figured out which ones are worth my billable hours and which ones aren't. This is everything I learned, plus the exact code I'm shipping to clients. Why Multimodal Even Matters for Solo Devs Two years ago, "multimodal" was a buzzword you'd hear at conferences. In 2026 it's table stakes. I've personally used vision models to: OCR receipts for an expense-tracking app (boring but pays the rent) Convert screenshots of legacy code into editable source for a Y2K-era company migration Read bar charts from PDF reports for a finance client who hates spreadsheets Analyze medical imaging samples for a startup MVP (this one was scary) Every one of those jobs started as a quick conversation with a prospect and turned into real invoices because I could say yes. The bottleneck was never capability — it was always cost. When GPT-4o charges north of $10/M output tokens, a single 2,000-token response on a tricky chart costs me about two cents. Multiply by 10,000 images per month and you've got a $200 API line item before you've paid yourself. That's a problem when the whole job is worth $400. So I tested every multimodal model I could find on Global API. Here's the lineup I ended up evaluating. The Contenders Nine models, three providers, one freelanc

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Go's Type System — Structs, Interfaces, and Life Without Inheritance In part 1 of this series I talked about why I'm picking up Go after six years of Java and Kotlin, plus a recent deep dive into Rust. This time I want to get into the part that actually changed how I think about designing code: Go has no class inheritance at all. Coming from the JVM world, that sentence sounded alarming the first time I read it. No extends . No abstract classes. No polymorphism through a class hierarchy. And yet Go backends at companies running serious scale seem to do just fine without it. After a few weeks living inside Go's type system, I get why. Structs: Data, Nothing More A Go struct is just a typed bag of fields. No constructors, no access modifiers in the Java sense, no inheritance: type Order struct { ID string Customer string Amount float64 Status string } func NewOrder ( id , customer string , amount float64 ) Order { return Order { ID : id , Customer : customer , Amount : amount , Status : "pending" , } } That NewOrder function is doing the job a constructor would do in Java — it's just a plain function by convention, not a language feature. Nothing stops you from building an Order{} directly with zero values either, which takes some adjusting to if you're used to constructors enforcing invariants. Methods attach to structs separately, outside the type definition: func ( o Order ) Total () float64 { return o . Amount } func ( o * Order ) MarkPaid () { o . Status = "paid" } That (o Order) vs (o *Order) distinction is the receiver type, and it trips up a lot of newcomers. A value receiver gets a copy of the struct; a pointer receiver can mutate the original. MarkPaid has to use a pointer receiver, or the status change would vanish the moment the method returns. No Inheritance, So What Replaces It? This is the part that took the most rewiring. In Java, if PremiumOrder needed everything Order had plus more, you'd write class PremiumOrder extends Order . Go simply doesn't hav

I've been running multi-slice agent plans in the Codenames AI repo — Renovate migrations, content-pipeline skills, dependency upgrades. I split multi-PR work into slices (usually one pull request each), each backed by a markdown file with file paths, verification commands, and merge-safe acceptance criteria. You do not need Cursor to recognize the shape: any agent workflow that can open branches, push commits, or merge PRs from a written plan has the same gap. In my setup I paste each slice into a fresh agent chat as a delegation prompt — not a ticket summary, but executable instructions — and start a new chat when that PR is ready. I assumed the checklist was enough. The plan described what to build. I treated how far the agent could go as implicit. Then an agent merged a pull request I expected to review first. The merge that reframed planning The trigger was mundane. During the first slice of a Renovate migration, an agent regrouped dependency buckets in renovate.json — config-only, no version bumps, no runtime behavior. It ran lint and typecheck, opened the pull request, and merged it. The change itself was reasonable. Config-only renovate.json regrouping is exactly the kind of slice you'd want off your plate. What surprised me was the absence of a documented stop line . The migration plan described the edit, the verification commands, and the acceptance criteria. It did not say whether the executing agent should stop at "open PR" or continue to "merge after green checks." The plan was an implementation spec. The agent treated it as permission to finish the job. Implementation specs vs authority handoffs Traditional engineering plans answer: what work should happen, in what order, with what verification? Agent plans increasingly need a second answer: how much autonomy does the next actor get? Those questions diverge the moment an agent can take repository actions — create branches, push commits, open pull requests, merge — instead of only recommending diffs in c

Originally published at dragosroua.com . Last week, Anthropic released Fable 5. Three days later, the US government ordered them to shut it down — for people outside US. Anthropic said they couldn’t filter users by nationality fast enough, so they pulled the plug on the whole thing. Like any good ol’ miracle, it lasted only 3 days. That was a very much needed cold shower. When you realize someone can take away your workforce just like that, running local, private AI models, suddenly becomes the number one priority. Why You Should Run Your Own Local AI Models In no particular order (because all of them count): No one can take it away. Local AI models on your machine don’t care about export controls, government directives, or provider board decisions. No usage limits. No rate limits, no subscription tiers, no “you’ve used your monthly tokens.” Play as much as you want. Nothing leaves your machine. Your code, your documents, your client data — none of it hits a third-party server. Local AI models are private by default. Fixed cost. You pay for hardware plus electricity. No surprise price hikes mid-year. No API dependency. Your workflow doesn’t break when a provider has an outage, deprecates a model, or gets a compliance letter. You can modify it. Fine-tune, quantize, run on your own data. Build something they can’t sell you. Make your own local, private AI model factory. What It Actually Costs I hear you: but I don’t have the money to build a data center in my basement. Fair play. But here’s the thing: you don’t have to. Here are four realistic options, as of June 2026 money: MacBook Pro M4 Max (~$3,000–4,500) : 546 GB/s memory bandwidth. Runs 70B models at around 70 tokens/second with 4-bit quantization. Fast enough to feel snappy. This is the “you might already own this” option. Mac Studio M3 Ultra (~$5,000–10,000) : 800 GB/s, up to 512 GB unified memory. Runs DeepSeek R1 — a 671-billion-parameter model — at 17–18 tokens/second. That’s a model that costs real money p

You wire up OCR for your KYC flow, point it at a national ID card, and get back a clean { name, idNumber, dateOfBirth } . Ship it. Then you onboard your second country — and it falls apart. Fields you mapped don't exist. The name comes back as garbled Latin. The date of birth says the year 2567. Here's the thing nobody tells you when you start: the hard part of national ID OCR isn't the OCR. It's that every country's ID is a different document. A model that reads text off a card is table stakes. Turning 30 countries' cards into data your system can actually use is where the work is. Let me show you the three axes of variation that will bite you, then how to architect so they don't. Axis 1: the fields are different There is no universal "national ID" schema, because the cards themselves don't agree on what to print. A Thai ID card prints the holder's religion . A German ID card prints height and eye color . A Chinese ID card prints ethnicity and the issuing authority. None of these are edge cases — they're core fields on those documents. So the instinct to define one IdCard type with a fixed set of columns is wrong from day one. Either you drop information that some countries consider essential, or you end up with a sparse table full of null s and country-specific special-casing. And it's not just which fields exist — it's what they're called and how they're split. The same "name" concept might come back as a single full-name string on one card and as separate given/family fields on another, sometimes in two scripts at once. Your data model has to treat "the field set depends on the country" as a first-class fact, not an afterthought. Axis 2: the script is different If your users are global, a lot of their names are not in the Latin alphabet — Chinese, Thai, Arabic, and more. The naive move is to transliterate everything to Latin "so it's consistent." Don't. Transliteration is lossy and ambiguous: multiple native spellings collapse to the same Latin form, diacritics

Telegram argues India should block specific content, not an entire platform used by millions.