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Your Ticket Was Closed. The User Still Couldn't Pay.

Your backend returned 200. The mobile app showed an error. The user tapped "Pay" three times. Three pending charges hit their account. One order was placed. Their balance was short. And your incident log showed zero failures. Every engineer on the team did their job. Nobody solved the problem. This is the most common way engineering teams fail, not through incompetence, but through excellent execution of the wrong unit of work. And until you recognise the difference between completing a task and solving a business problem , you will keep shipping systems that work perfectly and experiences that don't. The Ticket-Thinker vs. The System-Owner Most engineers early in their careers think in tickets. Ticket assigned → code written → tests pass → PR merged → ticket closed. Done. This is fine when you're learning. It's a liability when you're trying to grow. The engineer who closes tickets is useful. The engineer who asks "what problem does this ticket actually solve, and am I solving it in the right place?" that engineer is dangerous in the best way. Here's the distinction in practice. The backend engineer builds a payment endpoint. It processes charges correctly, returns the right status codes, has proper error handling. 100% test coverage. Ticket closed. The mobile engineer builds the payment screen. It calls the endpoint, handles the response, shows confirmation or error. Smooth UI. Ticket closed. The problem nobody owned: what happens when the network drops after the backend processes the charge but before the mobile app receives the confirmation? The backend: charge processed. No error. The mobile: timeout. Shows "Payment failed." User retries. The user: charged twice. Both engineers solved their assigned problem correctly. The business problem — charge the user once and confirm it reliably — went unsolved. Because that problem lived in the space between their tickets, and nobody was watching that space. Real Scenario 1: The Payment That Worked and Failed at the Same

2026-06-17 原文 →
AI 资讯

The AI reality check: feeds are flooded, agents are costly, buyers are cooling

If you build with AI, three stories this week rhyme into one theme: the hype is colliding with the bill. Here's the builder's read on each — and what I'd actually do about it. 1. Most of a new TikTok feed is now AI slop A Kapwing study reported by Tubefilter hand-checked 10,742 videos across 20 categories and found that 59% of what a brand-new TikTok account sees is AI-generated . Kids content was the worst — 57% slop, with the #CartoonKids tag hitting 97% — and TikTok serves roughly 3x more slop than YouTube. Why builders should care: generation is now free and infinite, so volume is worthless as a moat. The scarce thing is taste and verification. If your product or content can be faked by a feed of bots, it will be. Polish, point of view, and "a human clearly did this" are the new differentiators. 2. Databricks grew 80% — but agents are eating its margins Per CNBC , Databricks' annualized revenue jumped about 80% to ~$6.9B, and its AI products now bring in $1.7B (up from $1.4B). The catch: the CEO says gross margin "will go lower" as customers run more agents. Why builders should care: this is the quiet tax of agentic software. An agent that loops, retries, and calls tools burns far more tokens than a single API call. If you're shipping agents, budget for inference at scale , not the sticker price on the pricing page. Profitability now lives in prompt efficiency, caching, and knowing when not to call the model. 3. 60% of US consumers are turned off by "AI" branding A WordPress VIP survey of 2,000 people, covered by TechCrunch , found that 60% reject "AI" in brand messaging , while 86% still want to check the original sources behind a claim. Why builders should care: "Now with AI!" is starting to read like a warning label. Sell the outcome, not the technology — "2x faster," "fewer errors," "your data stays private" — and cite where your results come from. Trust is becoming a feature you ship, not a slogan you bolt on. The takeaway Feeds are flooded, agents are cost

2026-06-17 原文 →
AI 资讯

Why git pull --rebase should probably be your default

Most developers run git pull dozens of times a week without thinking about it. And most of the time, it works. Then one day you open a PR and the reviewer says "can you clean up the merge commits?" You look at your branch and see three "Merge branch 'main' into feature/login" commits scattered through history. The feature itself is 5 commits. The log is a mess. That mess comes from one decision: using git pull instead of git pull --rebase . Here's what's actually happening, and why the rebase variant produces cleaner history for teams. The setup: diverged history You're working on feature/login . You commit two changes locally ( X , Y ). Meanwhile, your teammate pushes two commits to main ( C , D ). Your branch and main have now diverged . Neither is a strict superset of the other. Git needs to reconcile them when you pull. Shared history: A → B Your local: A → B → X → Y (you added X, Y) Remote main: A → B → C → D (teammate added C, D) Git has two strategies for this reconciliation. Strategy 1: git pull (merge) A plain git pull creates a merge commit that joins your local history with the remote. Your commits and the remote's commits both appear in the log, connected by a merge node. The git log reads: M Merge branch 'main' into feature/login D fix: timeout on slow connections Y feat: client-side validation C chore: upgrade eslint X feat: login form B (shared) A (shared) This is honest history — it records exactly what happened: parallel development that was joined at a specific point. But it's also noisy history — the merge commit has no meaningful changes, and the log interleaves commits that weren't conceptually related. Strategy 2: git pull --rebase With --rebase , Git takes a different approach. It: Temporarily sets aside your local commits ( X , Y ) Fast-forwards your branch to the tip of the remote ( D ) Replays your commits on top, one by one, creating new commits ( X' , Y' ) The git log reads: Y' feat: client-side validation X' feat: login form D fix: timeo

2026-06-17 原文 →
AI 资讯

I've Been Trying to Build Something Online Since 2020. Still Not There. Looking for Advice.

In 2020, I discovered the idea that people could make money online by building things. Since then, I've tried almost everything. I started websites. I learned design. I learned marketing. I built digital products. I launched projects that nobody used. I launched projects that got almost no traffic. Every year I thought: "Maybe this is the year it finally works." But somehow I always ended up back at zero. The frustrating part is that I didn't quit. For 5 years I've been consistently learning new skills: Graphic design Website building Digital products Content marketing SEO Social media Yet I still haven't reached the point where I can say: "Yes, this business is working." Recently I spent weeks building a library of 500+ Notion templates. I launched it. The result? Almost nothing. No viral launch. No overnight success. Just another reminder that building is easier than distribution. That's the lesson that keeps hitting me: Building isn't my problem anymore. Getting attention is. I can create products. I can design landing pages. I can write content. But distribution still feels like a puzzle I'm trying to solve. So I'm asking developers, founders, and creators who are further ahead: If you were starting again today with no audience and no reputation, what would you focus on? Would you: Double down on content? Build more products? Focus entirely on one distribution channel? Spend more time networking? I'm genuinely curious because after 5 years of trying different things, I'm convinced the answer isn't "work harder." It's probably "work differently." I'd love to hear your advice.

2026-06-17 原文 →
AI 资讯

Overcoming Architectural Dogma: Why Infrastructure is a Business Stage Decision

One of the most persistent traps in modern software development is the tendency to turn architectural styles into absolute dogmas. We see it constantly on social media and inside engineering rooms: teams arguing over cloud native versus cloud agnostic as if they are choosing a lifelong political alignment. A recent perspective from the engineering team at GeekyAnts titled "Cloud-Native and Cloud-Agnostic Are Not Ideologies; They Are Business-Stage Decisions" cuts through this industry noise. Looking critically at their argument, it becomes clear that many organizations are suffering from premature architectural complexity. Engineering leaders frequently romanticize absolute portability long before their business has the operational maturity or the market validation to justify it. The core takeaway is simple yet profound: your architectural choice should be a reflection of your business stage, not a philosophical stance. The Go To Market Trap In the earliest stages of a business, the primary goal is not infinite scalability. The primary goal is survival. A startup needs to discover product market fit before running out of capital. This requires maximum release velocity, rapid experimentation, and minimum operational overhead. For an early stage company, leveraging a cloud native approach is entirely rational. Relying on managed databases, serverless functions, provider native identity management, and integrated monitoring allows a tiny engineering team to focus entirely on product features. The critical flaw in many early architecture reviews is treating this cloud dependency as a failure. It is actually a deliberate speed asset. At this stage, worrying about vendor lock in is a distraction because if you do not find customers quickly, there will be no vendor left to be locked into. Changing Priorities as the Business Matures The architecture that helps a company launch is rarely the one that sustains its long term growth. As a software product gains traction, the op

2026-06-17 原文 →
AI 资讯

How I Use Qwen Code Slash Commands to Build Achu App

In this blog post, we will see how I use Qwen Code's slash commands and workflow strategies to build Achu my screenshot beautifier app without burning through tokens or losing context mid-session. If you haven't heard of Achu , it's a desktop app built with Electron + React + TypeScript. It does screenshot beautification, Privacy Guard (offline OCR redaction), Auto-Vibe (palette-extracted backgrounds), and an AI Bug Agent with GitHub integration. It's a side project I'm genuinely proud of, and Qwen Code has become my go-to agentic coding CLI for it. A developer shares their day-to-day workflow for using Qwen Code, an open-source agentic coding CLI, to build Achu, a desktop screenshot beautification app built with Electron, React, and TypeScript. The post covers how slash commands like /init, /plan, /compress, /remember, and /btw are used to manage context, reduce token costs, and maintain consistent output across sessions. The core approach centers on spec-driven planning through iterative /plan sessions before any code is written, combined with parallel subagents for independent tasks and strict context hygiene using /compress and /clear. Additional practices include pointing the model at library source code instead of documentation and using /remember to persist architectural decisions across sessions. This isn't a tutorial about what Qwen Code is. It's about how I actually use it day-to-day, the slash command tricks I rely on, and the discipline it takes to get real work done with an LLM in a terminal. It all started with Google Antigravity, but the 5 hours reset and weekly limits is killing my productivity and thinking flow. I had to switch to more affordable and open source model where I chose Qwen. Why Qwen Code? I've tried Claude Code, Gemini CLI, and a bunch of others. Qwen Code is open source, has excellent subagent support, a rich slash command system, and Qwen Max is genuinely strong at reasoning through complex TypeScript and Electron internals. My go-to

2026-06-17 原文 →
AI 资讯

AI Made Development Faster. Testing Needs to Stop Living in Spreadsheets.

AI agents are making software development faster. That is great. But there is a problem I do not think we are talking about enough: testing is not speeding up in the same way. In many teams, testing is still held together by spreadsheets, meeting notes, screenshots, chat messages, and the memory of a few experienced QA engineers. That worked when delivery was slower. It becomes fragile when one developer can use multiple agents to change code across several modules in a single afternoon. The bottleneck is no longer "can we write more test cases?" The bottleneck is: Can the team prove what was tested, why it was tested, what failed, what was fixed, and whether the release is safe? That is the problem I built testboat for. The Most Dangerous Sentence Before A Release The sentence I worry about most is not: We did not test this. At least that is honest. The dangerous sentence is: I think we tested this. That sentence usually means the team has test artifacts, but they are disconnected: requirements live in a doc test cases live in a spreadsheet automation scripts live somewhere in the repo execution results live in CI logs or chat bugs live in an issue tracker release reports are written manually before sign-off Each piece may be useful on its own. But when a Tech Lead asks, "Which requirements are not covered?" or a founder asks, "Can we release today?", the team has to reconstruct the answer manually. That is not a testing process. That is institutional memory under pressure. AI Makes This Gap Worse AI agents are very good at increasing throughput. They can: implement a feature faster refactor code faster generate UI faster write automation faster fix bugs faster But faster change creates more testing uncertainty. If an agent changes the authentication module, what should be rerun? If a test fails, is it a product bug, a flaky automation script, or an environment issue? If a developer says "fixed", has the failed test actually been rerun? If a release report says "ma

2026-06-17 原文 →
AI 资讯

I Stopped Using Heavy IDEs. AI Became My IDE.

I used to think a serious developer needed a serious IDE. Big project? Open PhpStorm. Design work? Open Photoshop. Need every refactor, every inspection, every plugin, every panel, every button? Load the heavy tool and wait for the machine to breathe again. But something changed. Not overnight, and not because those tools suddenly became bad. They are still powerful. The change is that AI started taking over the parts of the IDE I actually needed most. Today, I spend more time in VS Code and the terminal than in heavy IDEs. My machine feels lighter. My workflow feels less crowded. And honestly, I do not miss the old setup as much as I thought I would. The old IDE was a safety net For years, big IDEs won because they could see the whole project. They understood symbols, imports, frameworks, database models, refactors, formatting, inspections, and tests. A good IDE felt like a senior assistant sitting beside you, quietly warning you before you made a mess. That was valuable. It still is. But AI has started to move that intelligence out of the IDE shell. The useful part is no longer tied to one huge application. It can live in your editor, your terminal, your pull request, your CI pipeline, or even in a chat window with access to your codebase. When AI can read the files, reason about the bug, generate a test, run the test, inspect the failure, and propose a patch, the IDE becomes less like the brain of the workflow and more like one possible place to type. AI is becoming the environment The phrase "AI coding assistant" already feels too small. Autocomplete was the first version. The newer pattern is closer to an AI developer environment. You ask it to find the bug. It searches the repo. You ask it to explain a weird error. It follows the stack trace. You ask it to write a benchmark. It can create the benchmark file, run it, compare the result, and tell you what changed. You ask it to add tests. It can inspect the code path and generate cases you probably would have de

2026-06-17 原文 →
AI 资讯

pdf-pagenum: Fix Messy macOS Preview Page Numbers in PDFs from the CLI

A pip-installable CLI tool that auto-centers off-center page number annotations created by macOS Preview, or batch-adds new ones — with smart content avoidance and landscape support. The Problem If you've ever used macOS Preview to add page numbers to a PDF (via the text annotation tool), you know the pain: numbers land wherever you drop them, never centered, and manually positioning dozens or hundreds of them is soul-crushing. Especially when the PDF has mixed portrait and landscape pages. I ran into this preparing a thesis — 200+ pages of final manuscript, page numbers visibly off-center on every single page. Editing each one by hand wasn't an option. The Solution pdf-pagenum is a single CLI command that reads a folder of PDFs and centers every page number annotation to the bottom of its page. It works by: Detecting FreeText annotations that look like page numbers Measuring body content boundaries on each page Repositioning the annotation to a clean, centered position below the content — with proper margins Preserving the original page dimensions (no resizing, ever) If your PDF has pages with no annotations at all, it can generate new page numbers from scratch in the correct position. Install pip install pdf-pagenum That's it. PyMuPDF and natsort come along as dependencies. Usage Fix Mode (default) Reposition existing page number annotations so they're centered at the bottom: pdf-pagenum ./scans/ ./output/ This is the mode you'll use 90% of the time — it takes whatever rough page numbers Preview gave you and snaps them to the mathematically correct center. Add Mode Generate brand-new page numbers on pages that lack them: # Number all pages starting from 1 pdf-pagenum ./scans/ ./output/ --add all # Number pages 3 through 7 only pdf-pagenum ./scans/ ./output/ --add 3-7 # Number specific pages, starting count from 10 pdf-pagenum ./scans/ ./output/ --add 1,3,5-7 --start 10 Ranges and comma-separated lists can be mixed freely. Start Offset The --start N flag works in b

2026-06-17 原文 →
AI 资讯

The Data Refinery: How JSON Quietly Became the Language AI Agents Speak

Every tool call, every structured output, every agent decision travels as JSON. Here is the serialization knowledge that separates the amateur from the architect — now that the stakes have never been higher. A developer ships an AI agent on a Friday. In the demo it's flawless: the model reads a request, calls a tool, returns a clean answer the app renders perfectly. A week later, production dashboards are full of garbage. A date is showing up as raw text. A field that was definitely there is silently gone. Under one big payload, the whole server froze for two seconds. And here's the maddening part — nothing threw an error. The model returned JSON. The code parsed it. Everything "worked." The bug wasn't in the model, and it wasn't in the parser. It lived in the narrow gap between text and data — the place every JSON value has to cross twice. That gap is serialization , and in 2026 it has quietly become one of the most important things a JavaScript engineer can actually understand. Why now? Because the most important conversations in modern software aren't between humans anymore. They're between models and machines — an LLM deciding which tool to call, a server answering, an agent chaining ten steps together. And every one of those conversations happens in the same format: JSON. So let's open up the refinery and see how raw structure becomes a clean stream of bytes — and back again — without losing anything precious on the way. JSON is not a JavaScript object This is the misunderstanding that creates most JSON bugs, so it's worth saying plainly: JSON only looks like a JavaScript object. It isn't one. JSON is a transport format — flat, inert text meant to travel across a network or sit on a disk. A JavaScript object is a live structure in memory that your application can read, mutate, and call methods on. They resemble each other the way a flat-packed cardboard box resembles assembled furniture: same thing in spirit, completely different states. const user = { name : "

2026-06-17 原文 →
AI 资讯

AI Research Engineer Open-Sources His Entire Workflow and Prompts

Fable 5 came and went. And because it was taken away so quickly, developers wanted it back even more. Scarcity has a way of making things feel more valuable. Reviews during its short tenure described a model that was very capable and great at churning on long-running, ambiguous tasks. But it was too expensive. The model was also intelligent enough that, on large work and overhauls, it tended to overthink. Most likely because of its size. For iterative work like implementing a feature or change, Fable 5 was comparable head-to-head with GPT 5.5, except Fable 5 would run for 10x as long: a larger model, more overthinking, and more time. The other issue was fallback behavior. If you hit a case where the model needed to call the fallback Opus model, you would not necessarily know it happened, and you would be billed at the higher charge. Nonetheless, it was a noticeable change compared to existing models. It was good at churning on a specific, goal-oriented problem. For example, optimizing a slow path by repeatedly profiling, tracing call sites, tightening hot loops, and validating the regression budget. For architecture design, it was still not remarkable. So it was good at that goal-oriented push, but even within that you needed to run it in sessions, review its code, and steer or compact to get the results you wanted. It is a good model to use for planning, research, and review, which is where I had adopted it. I saw real benefits. However, when it came to orchestration or running workflows, I still believe GPT 5.5 is better and more cost-effective on both tokens and time. Personally, I care about token spend, but I care immensely more about my time. The bigger problem Fable 5 exposed Model capability aside, I still think we are missing a bigger problem, and Fable 5 put a magnifying lens on it because of the nature of its capabilities. AI adoption in organizations is still a challenge for many developers because there are not enough good examples of how power users of

2026-06-17 原文 →
AI 资讯

Coding Burnout is Real: Build a Stress Warning Dashboard with Oura Ring & GitHub

We’ve all been there: it’s 2 AM, you’re deep in a "Refactoring Rabbit Hole," your coffee is cold, and your heart is racing. You feel productive, but is your body paying the price? As developers, we often ignore the physical signals of burnout until it's too late. In this tutorial, we are going to quantify the "Dev Grind." We'll build a Programmer Stress Warning Dashboard using the Oura Ring API to track Heart Rate Variability (HRV) and correlate it with your GitHub commit frequency . By the end of this guide, you'll have a real-time visualization of how that complex Kubernetes migration is actually affecting your nervous system. We will be utilizing HRV monitoring , biometric data visualization , and the Oura Ring API to create a predictive stress model for high-performance engineers. The Architecture 🏗️ The logic is simple: we fetch your physiological "readiness" and stress markers from Oura and overlay them with your activity from GitHub. If your commits are spiking while your HRV is tanking, it's time to step away from the keyboard. 🥑 graph TD A[Oura Cloud API] -->|HRV & Stress Levels| B(Next.js Backend) C[GitHub API] -->|Commit Frequency| B B -->|Data Aggregation| D{Correlation Engine} D -->|JSON Stream| E[D3.js Visualization] E -->|Alerts| F[Developer Dashboard] style F fill:#f96,stroke:#333,stroke-width:2px Prerequisites 🛠️ To follow this tutorial, you'll need: Oura Ring & a Personal Access Token (from the Oura Developer Portal ). Next.js (App Router) for our frontend and API routes. D3.js for crisp, reactive data visualizations. Vercel for instant deployment. Step 1: Fetching HRV Data from Oura API Heart Rate Variability (HRV) is the gold standard for measuring autonomic nervous system stress. A high HRV usually means you're recovered; a low HRV means you're under pressure. Here is a clean implementation of a Next.js API route to grab your daily stress metrics: // app/api/oura/route.ts import { NextResponse } from ' next/server ' ; export async function GET (

2026-06-17 原文 →
AI 资讯

Mistakes I Made as a New Coder- Don't Repeat Them

When I started coding, I made so many silly mistakes 😅 Today I’m sharing 3 small mistakes that every beginner developer makes: 1. Trying to write "Perfect Code" on Day 1 Bro, your code will be messy at the start. Just make it work first. Perfect comes later. 2. Watching tutorials but not coding yourself Watching videos is easy. But you only learn when you type the code on your own laptop. 3. Getting scared of errors Red error ≠ Failure. Error = Teacher. Copy it to Google, you’ll find the fix. What mistake did YOU make when you started? Tell me in the comments 👇

2026-06-17 原文 →
AI 资讯

The Babysitting is Over: A New Plan for AI Coding

The promise of agentic AI coding was a tireless partner, an assistant that could take a feature request and run with it while we focused on the hard problems. The reality, for most professional engineering teams, has been different. The reality is a brilliant but distractible intern you have to constantly supervise. The reality is spending 20 minutes writing the "perfect prompt," only for the AI to ignore a critical constraint, use a deprecated pattern from your codebase, and confidently break three other features. The reality is the "babysitting tax." It's the cognitive overhead of constantly reviewing, reverting, and re-explaining. And it's negating the incredible potential of these tools. At BrainGrid, we believe the problem isn't the agent—it's the plan. Or the lack thereof. In our rush to generate code, we've skipped the most critical step: creating a shared, deep, and unambiguous understanding of what we're actually building. "Vibe coding" doesn't work in a multi-tenant system where permissions are non-negotiable, or at least not with peace of mind. It doesn't work in a complex fintech application where money is on the line. And it certainly doesn't work in a four-year-old codebase with layers of tech debt and unwritten rules. The bottleneck in software development is no longer just the speed of writing code. The bottleneck has shifted to the speed of creating a reliable plan. BrainGrid is the AI-powered planning platform built to solve this new bottleneck. It's designed to provide the structure and guidance—the "babysitting plan"—that turns powerful but unreliable coding agents into predictable and effective teammates. Here's how: We Give the Agent a Map BrainGrid starts by deeply analyzing your entire codebase—its architecture, data models, and dependencies. It provides the persistent context that agents desperately need but currently lack. We Help You Define the Destination Our requirements agent acts like a seasoned tech lead, asking you and your team clar

2026-06-17 原文 →
AI 资讯

The 5-Minute Mailbox

The email mailbox just became an API resource, and that matters far more than the setup time it saves. For most of software history, a real email address — one that sends, receives, and threads — was an artifact of IT process. Someone created it in an admin console, someone else configured the client, and your application got access through OAuth consent screens and refresh tokens borrowed from a human. Compare that to how you get a database, a queue, or a TLS cert today: one API call, one ID back, done. Nylas Agent Accounts (currently in beta) close that gap. The quickstart goes from API key to a sending-and-receiving mailbox in under 5 minutes, and the provisioning step is a single request: curl --request POST \ --url "https://api.us.nylas.com/v3/connect/custom" \ --header "Authorization: Bearer <NYLAS_API_KEY>" \ --header "Content-Type: application/json" \ --data '{ "provider": "nylas", "settings": { "email": "test@your-application.nylas.email" } }' No refresh token, no OAuth dance — unlike OAuth providers, the "nylas" provider needs only an email address on a registered domain. The response contains a grant_id , and that one ID drives everything else: messages, drafts, threads, folders, attachments, calendar, webhooks. There are actually three ways to create an account — this API call, the Dashboard, or a single CLI command ( nylas agent account create ) — but they all end at the same place: a live mailbox. Why 5 minutes is a threshold, not a convenience Provisioning time isn't a linear cost. There's a threshold below which a resource changes category — from "thing you request" to "thing your code creates." Virtual machines crossed it with cloud APIs and we got autoscaling. TLS certs crossed it with ACME and we got HTTPS-by-default. Mailboxes crossing it means email addresses stop being scarce, pre-planned identities and start being something a program allocates when it needs one. What does that look like in practice? System mailboxes without ceremony. A support

2026-06-17 原文 →
AI 资讯

Luck == Opportunity Meets Preparation

There's a line usually pinned on the Roman philosopher Seneca: luck is what happens when preparation meets opportunity. People put it all over social media and like most things on social media, it gets repeated so often that it stops meaning anything. So let me try to make it mean something again, with a math equation and a football match that happened recently at the latest FIFA World Cup 2026. The equation nobody writes down We talk about luck like it's a single mysterious force, either you have it or you don't. But it's not one thing. It's two things multiplied together: Luck = Preparation × Opportunities Look at what that multiplication does. If your preparation is zero, it doesn't matter how many opportunities show up, zero times anything is still zero. And if you're the most prepared person alive but you never put yourself in front of a single opportunity, same result. Zero. The lucky people aren't the ones who got more luck handed to them. They're the ones who kept both numbers high. They got good and they kept showing up to the table where things happen. Hold that thought. Let's go to Texas. Japan, the Netherlands, and the 88th minute On June 14th, 2026, Japan played the Netherlands in their World Cup group opener in Arlington, Texas. On paper it was a mismatch in the most literal, physical sense. The Netherlands are tall . Van Dijk, Van de Ven, the whole spine of that team is built like a row of wardrobes. Japan are one of the shorter sides in world football, quick, technical, but not the people you'd bet on to win a header. If you were designing a contest specifically to humiliate the Japanese, you'd make it about jumping. And for most of the night, the script ran exactly as the bodies predicted. The Dutch dominated the run of play, around 60% possession, more passes, more touches in the box, the better expected goals. Van Dijk, a defender, rose for a cross and headed the Netherlands ahead. Later Summerville restored their lead. The Oranje even won the aer

2026-06-16 原文 →
AI 资讯

A Love Letter to Survivorship Bias in Tech

How many times have you seen a picture of a plane with red dots posted on the internet without context? There's a famous story about a statistician named Abraham Wald and a bunch of WWII bombers. The military looked at the planes coming back from combat, mapped where they were riddled with bullet holes, and decided to add armor there. Wald, being the kind of person who ruins meetings by being right, pointed out the obvious thing nobody wanted to hear: The planes they were looking at came back . The ones hit in the spots with no bullet holes, the engine, the cockpit, were at the bottom of the English Channel, not available for the survey. Reinforce the parts that aren't shot up. That's where the dead planes got hit. I think about this story a lot, mostly while reading those blog posts titled "X Habits That Made Me a 10x Engineer." The entire industry is a returning-plane survey Here is the uncomfortable thing about software engineering wisdom: almost all of it is collected from the planes that came back. Successful companies write blog posts. Successful founders do podcast tours. Successful engineers give conference talks with titles like "Scaling to 100 Million Users with Three People and a Dream." The companies that did the exact same things and died do not have a booth at the conference. They are not on the panel. They are in the channel, with the engines. And yet we keep doing the survey. We stare at the bullet holes on the survivors and go, "Ah, this is where we add armor." "Netflix uses microservices, so we should too" You have eleven users. Three of them are your co-founders, and one is your mom. Netflix runs a globe-spanning streaming empire on hundreds of microservices because they have hundreds of teams, billions in revenue, and problems you will be lucky to have in a decade. You have a Postgres database that is doing just fine, thank you, and a monolith that boots in four seconds. So naturally, you spend the next eight months splitting your perfectly funct

2026-06-16 原文 →
AI 资讯

What Is Shadow AI, and Why It's a Real Security Problem

Shadow AI is the unapproved use of AI tools at work. Here is what it actually is, why it creates security and compliance exposure, and how Bifrost Edge brings it under control at the endpoint. Somewhere in your company right now, someone is pasting a customer list into a personal ChatGPT account to clean up an email. A developer has a coding agent pointed at a repo that still has live credentials in it. Someone in marketing wired up an MCP server they found over the weekend so their assistant can pull from a CRM. None of it shows up anywhere the security team can see. That is shadow AI: people using AI tools for work faster than anyone can govern them. It is rarely reckless. The tools are genuinely useful, they are one click away, and most people have no real sense of what happens to the text they paste into them. The scale is what tends to surprise teams. A 2025 UpGuard report found that more than 80% of workers use unapproved AI tools , security professionals included, and that half use them regularly. This is not a fringe behavior at the edges of the org. It is most people, most days. What counts as shadow AI Shadow AI is any AI tool used for work without security review or central oversight. It is the AI version of shadow IT, except it moved faster and the data leaving the building is often more sensitive. It usually shows up in four shapes: Consumer chat apps used with work data: ChatGPT, Claude, and the rest, on personal accounts. AI inside the browser, where a prompt box is one tab away at all times. Coding agents in the terminal and IDE, which can read source, run commands, and touch infrastructure. MCP servers, the external tools an AI app connects to so it can read files, call APIs, and take actions. The first two leak data outward. The last two are more interesting, because they let an AI tool do things, often with whatever access the employee already has. Why it is an actual security problem, not just a policy headache The risk is not that AI is dangerou

2026-06-16 原文 →
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Retry in Distributed Systems — How Production Systems Recover From Temporary Failures

Not every failure is permanent. This is something I didn't think about before. When something fails in my app, my first thought was something broke, fix it. But when I started learning how distributed systems actually work, I realized that some failures are not really failures. They're just temporary. Network glitch. API timeout. A service that just restarted. Rate limiting kicking in. These are all failures but they last for a very short time window. If your system tries the same operation again after a few seconds, it will probably succeed. So the question is does your system know how to try again? Or does it just give up the first time something goes wrong? That's what retry is. What Retry Actually Does Without a retry system, if a temporary failure happens that's it. The entire operation fails. The user sees an error. The request is gone. With retry, your system automatically attempts the operation again after a failure. The goal is simple recover from temporary failures without the user even knowing something went wrong. This felt obvious to me once I understood it. But building it properly is where it gets interesting. The Configuration: What Each Part Controls When I looked into how retry systems are actually configured, there were more options than I expected. And each one exists for a specific reason. maxAttempts — this defines the maximum number of times the operation can be attempted. You don't want infinite retries. At some point if it keeps failing, it's probably not a temporary problem. exponential backoff — instead of retrying immediately every time, the delay between retries doubles after each failure. First retry after 1 second, second after 2 seconds, third after 4 seconds. This gives the failing service time to recover instead of bombarding it with requests. baseDelay — this is the starting delay used in the exponential backoff. The first wait time before retrying. maxDelay — this caps the maximum delay. Without this, the exponential backoff keeps

2026-06-16 原文 →