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I built a CLI called git-archaeologist to analyze ownership concentration, bus factor, coupling, and change history from git repositories. To validate it, I benchmarked 26 major open source projects including Kubernetes, React, VS Code, TensorFlow, PostgreSQL, Spring Boot, and Node.js. The report includes methodology, limitations, repository snapshots, raw JSON outputs, and benchmark data. Happy to hear where the methodology is wrong or what could be improved. submitted by /u/Some_Scientist5385 [link] [留言]

Writing a prompt isn't engineering. It's typing. You type what you want. The AI figures out the rest...

On June 3, Xiaomi released the latest version of its open-source project, SoloEngine . The first low-code Agentic AI development platform. At the AIGC2026 Summit, Amazon Web Services disclosed a striking statistic: 87% of enterprises claim to have deployed AI, but only 10% have actually extracted real value from it. The current agent industry chain shows a curious pattern—hot at both ends, hollow in the middle. Upstream foundation models and chips attract capital; downstream use-case demand is robust; but the midstream lacks an engineering platform capable of converting domain expertise into reliable agents. The reasons behind this gap are concrete. Building an AI Agent currently comes down to two approaches. One is low-code workflow platforms: Dify and n8n offer visual canvases where users drag and drop nodes to quickly assemble AI applications. But workflows rely on preset paths—step A leads to step B, step B leads to step C, with if/else conditions controlling branches. Hit something outside the preset, and the flow breaks. At best, they function as AI-powered macro scripts. The other is code-based development frameworks: LangChain and CrewAI support genuine Agentic AI architectures where agents can make autonomous decisions and dynamically adjust strategies. But this requires Python programming skills. A lawyer has to learn Python just to build a legal Agent; a CMO has to configure a CrewAI environment just to set up a marketing Agent team. Low-code platforms don't support true autonomous decision-making. Code frameworks are only accessible to programmers. SoloEngine fills precisely this gap. I. SoloEngine: Making Everyone a Creator Open a browser. Drag Agents onto a canvas. Connect collaboration relationships. Configure the tools you need. Hit run. The backend automatically compiles your design into an executable Agentic AI system—one that plans tasks, executes operations, and delivers results. Users just review and confirm, and the work gets done. No lines of

Six months ago I got tired of switching between apps to talk to AI. ChatGPT in the browser. Claude in another tab. Local models in a terminal. It was like having five friends who all live in different cities and refuse to visit each other. So I did what any developer with too many GPUs and too little patience would do: I built my own assistant and put it where I already spend my day — Telegram. It's not a chatbot for customers. It's not a business automation tool. It's just... my assistant. It lives in a private chat on my phone and handles the stuff I used to do manually. Here's what six months of actually using it has looked like. What I Actually Built (And Why Telegram) I already had three machines running Ollama at home — a Mac Mini M4, a Windows PC with an RTX 3060, and an Ubuntu box. Three endpoints, eight models, and me constantly forgetting which model was good for what. Telegram was the obvious choice because: I'm already there all day (friends, family, a few dev groups) It works on my phone, my Mac, and my watch The Bot API is dead simple I can send voice messages, photos, documents — and the bot can handle all of them The setup: a Python bot running on the Mac Mini, connected to all three Ollama endpoints. When I message it, the bot classifies what I want, routes to the right model on the right machine, and replies in the same chat thread. Sounds simple. Took three evenings to get right. Took six months to make actually useful. The Things I Actually Use It For Here's the honest list. Not the marketing pitch — the real daily usage: 1. Quick questions without context switching "Summarize this article" (I paste a link). "Explain this error" (I paste a stack trace). "Rewrite this email less formally." These used to mean opening a browser tab, logging in, maybe hitting a rate limit. Now I just... send a message. The reply comes back in 2-8 seconds depending on which model handles it. The routing is simple but effective: quick chat → small model on the Mac. Cod

The interpreter's variable lookup is now blazing through arithmetic loops at a 57% faster pace. But this isn't just about raw speed — four tracker items were checked off the list, culminating in a more robust system. All rolled out on submain, a direct result of a thorough four-pillar audit. BindingId replaces string hashing at runtime The heavyweight change came from tracker #009. Previously, our interpreter was busy hashing variable names every time they were accessed. That was a repeat offender in wasted cycles. Now, by using a pre-assigned numeric BindingId, we seize efficiency. The semantic phase was already handing out these IDs, but the runtime kept adding the overhead back. It doesn’t anymore. ScopeFrame.vars has transitioned to a HashMap equipped with a zero-cost identity hasher keyed by u32 binding IDs. Name-based lookups are still around but tucked away for less frequent operations like string interpolation. Fixes were necessary upstream: ConstDecl and semantic_impls now hold onto their BindingId, making sure our semantic phase pipelines gracefully into the interpreter's primary key system — narrowing the gap with JIT's variable handling. Here's how the numbers shine on a Windows release build: arith_loop (5M iterations): from 5744ms down to 2481ms (56.8% boost) nested_loops (4M iterations): from 2675ms down to 1796ms (32.8% boost) fib_recursive: from 6835ms down to 6488ms (merely 5.1% faster due to call-frame constraints) Our findings align with expectations: recursive functions aren't bogged down by variable lookups as much as by setting up call frames. Array bounds errors stop lying Misleading diagnostic labels are on their way out, thanks to tracker #002 and #032. Attempts to access out-of-bounds array indices once triggered an error as unhelpful as variable 'index 5' has not been declared . Not anymore. Changes came in two waves. First, we introduced a new error variant: RuntimeError::IndexOutOfBounds { pos, index, length } . Then, three runtime.rs c

Nearly a year after it was announced, Instagram says it's delivering the ability to rearrange the posts in your profile grid. It had been available to some people in test groups, but as of June 8th, it's rolling out widely via the Android and iPhone mobile apps. Until now, the posts on your Instagram profile […]

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Every PHP developer knows this situation: a client calls and says "I want free shipping for VIP customers on weekends, but only if the cart total is above €100." You open your code. You find the shipping module. You add an if. You deploy. Three weeks later: "Actually, make it €80. And also for the 'Premium' group." You open your code again. This loop : client request -> find logic in code -> modify -> deploy, was costing me a lot of time. And it's not just shipping. I build custom ecommerce solutions: payment modules, synchronization systems, pricing calculators. Business rules are everywhere, and they change constantly. The obvious solution I didn't want Symfony's ExpressionLanguage exists and it's impressive. But it pulls in dependencies, it can traverse objects and call methods (which is a security concern when rules are authored by users), and when something goes wrong, it doesn't tell you why. It's a black box. I needed something smaller, stricter, and transparent. So I built php-ruler I started with the classic pipeline: Lexer → AST → Evaluator. Strict typing from the start — 1 = '1' is a type error, not true. No silent coercion. Then I added features one real problem at a time. Problem: when something fails, why? -> I built an explain mode that returns the full evaluation tree: which sub-conditions passed, which failed, which were short-circuited, and why a variable was missing. Problem: in production, the context is sometimes incomplete -> I built a safe mode that doesn't throw on missing variables — it collects them all and lets you decide what to do. Problem: customer.group.name is not user-friendly -> I built an alias resolver. As a developer, I expose what I want: $resolver = ( new AliasResolver ()) -> add ( 'customer.group' , 'customer group' ) -> add ( 'cart.total' , 'cart amount' ); Now a non-developer can write: customer group = 'VIP' AND cart amount > 100 And I control exactly what variables are available to them. A real example Here's the shipping

Hey everyone! I'm Manan from Chandigarh, India, and I'm looking for a project buddy to build something exciting together. A bit about me: I'm a full stack developer who enjoys building web apps, AI-powered products, and experimenting with new ideas. Most of my free time goes into coding, learning, and shipping projects that solve real problems. I'm also a Project Admin at GSSoC, where I've open-sourced my own project, DBPortal, for contributors to work on and improve: github.com/Mananwebdev160408/dbportal I love collaborating with people and thought it'd be fun to find someone who's equally passionate about building things. I don't have a fixed idea in mind, so we could brainstorm and work on anything from an AI tool to a SaaS product, an open source project, a developer utility, or something completely unique. I'd prefer someone from India since coordinating is easier, but developers from anywhere are welcome. I can communicate in English and Hindi. I'm mainly looking for someone who's excited to build, exchange ideas, stay consistent, and enjoy the process. It'd be great to have a teammate to learn with, push each other, and hopefully create something really cool together. If this sounds like your kind of thing, feel free to DM me or drop a comment. Even if you already have a project idea you've been thinking about, I'd love to hear it. Looking forward to meeting some awesome devs! 🚀 portfolio: devmanan.vercel.app github: github.com/Mananwebdev160408 submitted by /u/Suspicious-Salt4505 [link] [留言]

In JavaScript, truthy and falsy values are concepts related to boolean evaluation. Every value in JavaScript has an inherent boolean "truthiness" or "falsiness," which means they can be implicitly evaluated to true or false in boolean contexts, such as in conditional statements or logical operations. What Are Truthy Values? Truthy values are values that are evaluated to be true when used in a Boolean context. Simply put, any value that is not explicitly falsy is considered truthy. These are some truthy values Non-zero numbers: 42, -1, 3.14 Non-empty strings: "hello", "0", " " Objects and arrays: {}, [] Functions: function() {} Dates: new Date() Symbols: Symbol() BigInt values other than 0n: 10n if ( 42 ) console . log ( " This is truthy! " ); if ( " hello " ) console . log ( " Non-empty strings are truthy! " ); if ({}) console . log ( " Objects are truthy! " ); Output This is truthy ! Non - empty strings are truthy ! Objects are truthy ! What Are Falsy Values? Falsy values are values that evaluate to false when used in a Boolean. JavaScript has a fixed list of falsy values false 0 (and -0) 0n (BigInt zero) "" (empty string) null undefined NaN document.all (used for backward compatibility) if (0) console.log("This won't run because 0 is falsy."); if ("") console.log("This won't run because an empty string is falsy."); if (null) console.log("This won't run because null is falsy."); Truthy vs. Falsy Evaluation in JavaScript Whenever JavaScript evaluates an expression in a Boolean (e.g., in an if statement, a logical operator, or a loop condition), it implicitly converts the value into true or false based on whether it is truthy or falsy. With if Statement let s = " JavaScript " ; ​ if ( s ) { console . log ( " Truthy! " ); } else { console . log ( " Falsy! " ); } Output Truthy ! Logical Operators with Truthy and Falsy Logical operators like && (AND) and || (OR) work with truthy and falsy values && (AND): Returns the first falsy operand or the last operand if all are tr

JAVASCRIPT CONDITIONAL STATEMENTS JavaScript conditional statements are used to make decisions in a program based on given conditions. They control the flow of execution by running different code blocks depending on whether a condition is true or false. Conditions are evaluated using comparison and logical operators. They help in building dynamic and interactive applications by responding to different inputs. Types of Conditional Statements 1. if Statement The if statement checks a condition written inside parentheses. If the condition evaluates to true, the code inside {} is executed; otherwise, it is skipped. Executes code only when a specified condition is true. Useful for making simple decisions in a program. Syntax : if ( condition ) { // code runs if condition is true } let x = 20 ; ​ if ( x % 2 === 0 ) { console . log ( " Even " ); } ​ if ( x % 2 !== 0 ) { console . log ( " Odd " ); }; Output Even 2. if-else Statement The if-else statement executes one block of code if a condition is true and another block if it is false. It ensures that exactly one of the two code blocks runs. Used when there are two possible outcomes. The else block runs when the if condition is not satisfied. let age = 25 ; ​ if ( age >= 18 ) { console . log ( " Adult " ) } else { console . log ( " Not an Adult " ) }; Output Adult 3. else if Statement The else if statement is used to test multiple conditions in sequence. It executes the first block whose condition evaluates to true. Allows checking more than two conditions. Evaluated from top to bottom until a true condition is found. const x = 0 ; ​ if ( x > 0 ) { console . log ( " Positive. " ); } else if ( x < 0 ) { console . log ( " Negative. " ); } else { console . log ( " Zero. " ); }; Output Zero . 4. Using Switch Statement (JavaScript Switch Case) The switch statement evaluates an expression and executes the matching case block based on its value. It provides a clean and readable way to handle multiple conditions for a single varia

Hello, I'm Shrijith Venkatramana. I'm building git-lrc, an AI code reviewer that runs on every commit. Star Us to help devs discover the project. Do give it a try and share your feedback for improving the product. A few years ago, choosing a Go mocking framework was mostly a matter of personal preference. Today, things are different. Most Go developers have at least one AI coding assistant generating tests alongside them. Some teams even generate the majority of their unit tests automatically. Yet one area remains surprisingly messy: mocks. Ask an LLM to write a test for the same interface and you'll often get completely different results depending on whether your project uses GoMock, Mockery, MockIO, Minimock, Moq, or hand-written test doubles. The problem isn't that the models are bad. The problem is that mocking libraries represent very different philosophies: Strict vs flexible Generated vs runtime-created DSL-heavy vs idiomatic Go Feature-rich vs minimalist In this article we'll compare the most popular Go mocking libraries in 2026, examine their strengths and weaknesses, and discuss which one may be the best fit for your project. What Makes a Good Mocking Library? Before comparing tools, it's worth defining what matters. A good mocking library should ideally provide: Easy mock generation Clear test failures Minimal boilerplate Strong refactoring support Good IDE experience Readable tests Reliable call verification Different libraries optimize for different parts of this list. That's why there is no universally correct answer. 1. GoMock: The Enterprise Workhorse GoMock remains one of the most widely used mocking frameworks in the Go ecosystem. Originally created by Google and now actively maintained by Uber, it has become the standard choice for many large organizations. Its philosophy is straightforward: define expectations explicitly and verify them rigorously. Example func TestUserService ( t * testing . T ) { ctrl := gomock . NewController ( t ) repo := New

Most people pick a model the wrong way around. They look at the leaderboard, see Opus on top, and reach for it by default. Sonnet if they want to save money. Haiku almost never, because the name says "small." That habit costs you. For a lot of what you actually build, Haiku is the right call, and you're paying three to five times more for capability the task never uses. This post is about how to choose, and why Haiku should be your default more often than it is. The short version: don't start from "what's the best model." Start from "what does this task need." Most tasks don't need much. Comparison Here is the current lineup, with the numbers that matter when you're choosing. Haiku 4.5 Sonnet 4.6 Opus 4.8 Model ID claude-haiku-4-5 claude-sonnet-4-6 claude-opus-4-8 Input price (per 1M tokens) $1 $3 $5 Output price (per 1M tokens) $5 $15 $25 Context window 200K 1M 1M Max output 64K 64K 128K Best at speed, volume balance hardest reasoning Two things jump out. First, price . Haiku input is a fifth of Opus and a third of Sonnet. Output is the same ratio. If you send a million tokens through Opus for $25 and the same work would have been fine on Haiku, you spent $20 for nothing. And that gap is per request, so it compounds. A feature that runs ten thousand times a day on Opus instead of Haiku is not a rounding error. It is the difference between a feature that ships and one that gets cut for cost. Second, the context window . This is where Haiku gives something up: 200K tokens instead of 1M. That is the real tradeoff, and it points straight at when to use it. We'll come back to that. The mental model Stop ranking models. Rank tasks . Ask three questions about the task in front of you: Does it need real reasoning, or is it bounded? A task is bounded when a competent junior could do it from a clear spec without much judgment: pull these fields out, sort this into one of five buckets, rewrite this in a different tone, answer this from the text I gave you. A task needs reason

I started working on numpy-ts last year and began serious performance optimization in February. These are some of the challenges and lessons from this project. Some/all might be obvious - lmk what you think! Disclaimer: numpy-ts was written with some AI assistance. Please read my AI disclosure for more details. submitted by /u/dupontcyborg [link] [留言]

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This article covers a technique my team and I use to work on versioned datasets across organizations (team A works on features, team B) works on other features. It's been invaluable for us since we don't have a shared infrastructure, so we can always verify the latest version by storing the latest hash on-chain. It could be useful in other ways where integrity or immutability is paramount, like versions of models, model weights, etc. No need to share access to a central key management server and everyone can validate it simply. submitted by /u/Nice-Dragonfly-4823 [link] [留言]

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