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HTTP cookies are everywhere in authentication, sessions, and tracking — but reading Set-Cookie headers manually is tedious. I built a free, browser-only HTTP Cookie Inspector that parses cookie strings and gives you a security analysis. Live Tool 👉 https://devnestio.pages.dev/cookie-inspector/ What it does Parse Set-Cookie strings — extract all attributes at a glance Attribute cards — name, value, expires/max-age, domain, path, Secure, HttpOnly, SameSite Security score (0–100) — +25 for Secure, +25 for HttpOnly, +25 for SameSite≠None, +25 for expiry XSS/CSRF risk flags — warns when HttpOnly or SameSite is missing Syntax highlighted raw header — color-coded by attribute type Presets — session, persistent, secure+httponly, SameSite=Strict, minimal 100% client-side — no data leaves your browser Cookie security flags explained Flag Missing risk Present benefit Secure Cookie sent over HTTP Only sent over HTTPS HttpOnly JS can steal it (XSS) Inaccessible via document.cookie SameSite=Strict CSRF attacks possible Never sent on cross-site requests SameSite=Lax Partial CSRF risk Sent on top-level nav only SameSite=None Always cross-site Requires Secure flag SameSite values Set-Cookie: session=abc123; SameSite=Strict; HttpOnly; Secure # Best practice for auth cookies Set-Cookie: prefs=dark; SameSite=Lax # OK for non-sensitive preferences Set-Cookie: embed=true; SameSite=None; Secure # Cross-site embeds (e.g. payment widgets) Testing 84 tests, all passing ✅ Tests cover: Parsing all standard attributes Boolean flags (Secure, HttpOnly) detection SameSite value classification Max-Age duration calculation Security score computation XSS/CSRF warning logic All preset templates HTML escaping in output UI elements and copy functionality All tools at devnestio.pages.dev — free browser-only developer utilities.

Working With Massive JSON Responses Without Losing Performance Every developer eventually encounters it. You make an API request expecting a few hundred objects, and instead receive a response that's tens—or even hundreds—of megabytes. Suddenly your browser freezes, your editor becomes sluggish, and your application consumes gigabytes of memory. Large JSON responses aren't unusual anymore. Analytics platforms, cloud providers, search engines, AI services, ecommerce catalogs, IoT systems, and data export endpoints routinely generate enormous payloads. The good news is that handling massive JSON efficiently is mostly about choosing the right techniques. This guide covers the best practices that help you inspect, process, and optimize large JSON datasets without overwhelming your tools or your users. Understand Why Large JSON Is Expensive Before optimizing, it's helpful to know where the cost comes from. When an application receives JSON, it usually goes through several stages: Download the response. Store it as a string. Parse it into objects. Allocate memory for every property. Traverse the resulting object graph. For a 100 MB JSON file, peak memory usage can easily exceed 300 MB because both the raw string and the parsed objects coexist temporarily. This explains why applications often run out of memory long before reaching the actual file size. Don't Pretty-Print Gigantic Responses Immediately Pretty-printing is useful—but formatting a huge document all at once can consume significant CPU time and memory. Instead: inspect only the sections you need collapse large objects expand nodes on demand search before formatting If you need to examine a large payload in the browser, using a dedicated formatter designed for large documents can make navigation much easier. Tools like JSON Formatter allow you to validate, format, collapse, and inspect JSON without manually editing thousands of lines. Stream Instead of Loading Everything One of the biggest mistakes is reading an

Debugging JWT authentication usually means copying tokens between tabs and tools. I built a free, browser-only JWT Creator & Signer — create, sign, and verify JWTs entirely in your browser using the Web Crypto API. Live Tool 👉 https://devnestio.pages.dev/jwt-creator/ What it does Create JWTs — edit header (alg, typ) and payload (any JSON) Sign with HMAC — HS256, HS384, or HS512 Quick claim buttons — insert sub , name , exp (+1h), iss with one click Generate random secrets — 256-bit hex secret via crypto.getRandomValues() Verify existing JWTs — paste any token and verify signature + expiry Color-coded output — header in red, payload in green, signature in blue 100% client-side — Web Crypto API, no server, your secrets stay local How signing works (Web Crypto API) const key = await crypto . subtle . importKey ( " raw " , new TextEncoder (). encode ( secret ), { name : " HMAC " , hash : " SHA-256 " }, false , [ " sign " ] ); const sig = await crypto . subtle . sign ( " HMAC " , key , new TextEncoder (). encode ( header + " . " + payload ) ); The output is base64url-encoded (replacing + → - , / → _ , stripping = padding) to form the final JWT. Why browser-only matters for a JWT tool JWT secrets are sensitive. Any tool that sends your signing secret to a server is a liability. This tool never sends anything — the Web Crypto API runs entirely inside your browser tab. Testing 77 tests, all passing ✅ Tests cover: Base64url encoding edge cases JWT structure (3-part dot-separated) HMAC algorithm mapping (HS256 → SHA-256 etc.) Expiry check (expired vs. valid tokens) Error states: invalid JSON payload, malformed JWT UI: claim insertion, secret toggle, copy, clear Web Crypto API usage verification All tools at devnestio.pages.dev — free browser-only developer utilities. Feedback welcome!

Apple Hide My Email Vulnerability, GitHub Hardening Guide, and Advisory Database Trends Today's Highlights This week, we delve into a critical Apple 'Hide My Email' vulnerability leaking user addresses and a practical guide for GitHub maintainers to enhance project security. We also examine the record-breaking surge in vulnerability disclosures and how the GitHub Advisory Database manages this growing volume. Apple 'Hide My Email' vulnerability reveals peoples' real email addresses (Hacker News) Source: https://easyoptouts.com/guides/apple-hide-my-email-is-leaking-email-addresses This report details a critical vulnerability discovered in Apple's "Hide My Email" service, designed to protect user privacy by providing unique, randomly generated email addresses that forward to their real inbox. The flaw allows an attacker to bypass this privacy mechanism and reveal a user's actual email address. This is a significant concern for user privacy, as it undermines the core purpose of a feature intended to prevent spam and tracking. The article provides examples of how the leak can occur, often involving specific scenarios where the "Hide My Email" alias is used in conjunction with other services, allowing for correlation back to the original address. The vulnerability highlights the challenges in maintaining privacy-preserving features across a complex digital ecosystem. While Apple provides this service, its interaction with third-party applications or specific email processing methods can inadvertently expose the underlying data. Users are advised to be aware of this limitation and consider their risk tolerance when relying on such privacy features. The full technical details of the bypass and the specific conditions that trigger it are explained, offering insights into the potential attack vectors. Comment: This is a serious privacy breach for a feature designed explicitly for privacy. It reminds us that even robust privacy tools can have subtle flaws in complex usage pat

A new system called Qwen-Image-Agent gives text-to-image models the ability to plan, reason, and revise across multiple steps, closing what its authors call the "context gap." Instead of converting a prompt directly into pixels, the agent wraps a language model around an image generator and runs them in a loop—breaking complex requests into pieces, writing sharper instructions, executing them, and reflecting on what worked. The result is image generation that can handle multi-part, reasoning-heavy tasks that defeat single-shot models. Key facts What: Qwen-Image-Agent wraps planning, reasoning, and memory around a text-to-image model so it can break a hard request into steps - and the local-AI crowd immediately asked whether it runs on a gaming GPU. When: 2026-06-27 Primary source: read the source (arXiv 2606.26907) The architecture follows a four-phase loop. Faced with a complicated request, the agent first plans , breaking the big ask into smaller, manageable pieces. Then it reasons about each piece, pulling in information from its own memory or outside tools and writing tighter instructions. Then it executes , calling the image-generation or image-editing tools to make or modify the picture. Finally it reflects , storing what worked in an episodic memory so the next job goes better. The contrast is direct: a single-shot image model answers in one pass; the agent sketches, steps back, reconsiders, and revises. The paper frames the advantage over ordinary text-to-image the same way a vending machine differs from commissioning a designer—one takes a request and dispenses a result with no conversation, the other asks clarifying questions, works in drafts, keeps notes on your preferences, and iterates toward what you actually meant. The vending machine is faster for a simple request; the designer is who you want for anything with moving parts. This is the same AI agents pattern—plan, act, observe, repeat—that has been reshaping text tasks, now pointed at images. To mea

Opening hook It happened during a quiet afternoon at the mosque. The imam was mid-sentence when a rhythmic, high-pitched ringtone cut through the silence like a knife. Every head turned. It was my phone. My heart sank as I scrambled to silence it, only to realize I had forgotten to flip the physical toggle before walking in. That moment of collective, disappointed glares burned. It wasn't just an annoyance; it was a total breakdown of my focus and a social failure I had accidentally caused because my phone couldn't manage itself. The problem We live in an era where our devices are supposedly 'smart,' yet they are remarkably bad at knowing when to keep quiet. We carry computers in our pockets that can calculate the exact position of the moon or stream 4K video, but they cannot inherently tell that we are in a meeting, a lecture, or a place of worship. You could argue that setting a manual schedule works, but life isn't static. Meetings run over, prayer times shift by a minute each day based on astronomical calculations, and spontaneous plans happen. I found myself constantly juggling the physical volume buttons. If I remembered to mute it, I inevitably forgot to unmute it afterward, missing urgent calls from family. If I didn't mute it, I was the person disrupting the room. I wanted a solution that respected the context of my location and the specific time of day without requiring me to touch my screen. The core friction is that Android is designed to restrict background processes to save battery, which is exactly what a silent-automation app needs to thrive. Getting the app to reliably trigger a volume change while the phone is sitting in a pocket, deep in Doze mode, became my primary development hurdle. The technical decision / implementation When I started building Muffle, I initially tried a standard Service with a Handler loop to check conditions. It worked fine while the screen was on, but as soon as the phone entered Doze mode, the OS aggressively throttled my

A full form backend you can test before paying Discussion | Link

Fans’ euphoric reactions to the Mexican national team’s recent victory in the 2026 World Cup caused a series of unusual vibrations that were detected by seismic warning systems.

1. The Problem It Solves Logistic Regression is used when the outcome is a category rather than a number . Most commonly, it's used for binary classification , where the answer is either Yes or No , True or False , or 1 or 0 . Typical business problems include: Will a customer churn? Is this transaction fraudulent? Will a customer click an ad? Will a loan default? Is an email spam? Will a machine fail in the next 24 hours? Unlike Linear Regression, we're not trying to predict a continuous value. Instead, we're predicting the probability that an event belongs to a particular class. For example: A customer may have an 82% probability of churning . The business can then decide whether that probability is high enough to trigger an intervention. 2. Core Intuition Imagine you're trying to predict whether a customer will cancel their subscription. Suppose the only feature you have is how many times they opened your app this month. If you use a straight line like Linear Regression, the predictions quickly become unrealistic. A very active customer might end up with a -20% chance of churn . A completely inactive customer could end up with 140% . Probabilities obviously can't work like that. To fix this, Logistic Regression takes the linear equation and passes it through a mathematical function called the Sigmoid Function . Instead of producing a straight line, it creates an S-shaped curve . No matter how large or small the input becomes, the output always stays between 0 and 1 . That makes it perfect for probability estimation. 3. The Mathematical Model The model first calculates a linear score. Instead of using that score directly, it passes it through the Sigmoid function. Where: z = linear score p̂ = predicted probability The final output is always between 0 and 1 . For example: 0.08 → Very unlikely 0.32 → Low risk 0.65 → Moderate risk 0.94 → Very high probability Businesses can then choose a decision threshold. For example: Probability ≥ 0.50 → Predict Churn Probability

In the rush to build AI agents, we defaulted to complex vector databases. But high-traffic platforms are converging on a simpler, more robust foundation: plain files. Most long-term agent memory setups are massively over-engineered. When developers start building LLM applications, the default prescription is almost always: "Spin up a managed vector database and build a RAG pipeline." But if you look at the highest-traffic production agent platforms (like Claude Code, Manus, and OpenClaw), a quieter trend has emerged. They are bypassing the enterprise embeddings store and using plain markdown files as their primary memory substrate. This is not a regression to simplicity. Done well, it is a stronger engineering foundation because files are inspectable, diffable, portable, and git-native. But a folder of plain text notes with no structure is just a slow, poorly indexing database. To make a file-first architecture work at scale, you must follow a fundamental system design principle: separate storage from search . The Core Invariant: Storage vs. Search The single highest-leverage decision you can make in agent memory design is treating your storage layer and search indexes as completely separate systems. Storage (Canonical Source of Truth): Versioned, human-readable files (Markdown + YAML frontmatter). Search (Derived Index): Derived search structures (vector databases, full-text BM25 indexes, entity graphs, keyword indexes). In this architecture, every search index is treated as a disposable artifact. You can delete your vector embeddings database or rebuild your entity graph at any time, with zero loss of underlying memory. This buys you three advantages: Auditability for free: By storing memories in text files, you can version-control them using Git. Every memory update, supersession, or correction is diffable, attributable, and reversible without any custom database versioning logic. Algorithmic freedom: Swap your embedding models, adjust your chunking strategies, o

T-Mobile wants Broadcom to keep supporting its VMware perpetual licenses.

Xbox is making some big changes — again. On June 10th, a few months after Asha Sharma took over as CEO, she and newly-promoted chief content officer Matt Booty sent a memo to staff warning of an “Xbox reset.” The business, they said, is facing significant challenges, including a 3 percent “accountability margin,” massively higher […]

A vulnerability can reportedly connect real email addresses to anonymous ones.

AI is great at writing tests fast, and good at writing tests that look real but verify the wrong...

AI is great at writing tests fast, and good at writing tests that look real but verify the wrong...

Native code switching, better diarization, more languages. Discussion | Link

Touted as a less-hookup-focused Grindr, Goose is an invite-only space for gay men. The problem is the people promoting it don’t seem real.

Connect your AI agent to postal mail Discussion | Link

Preserving authentic organic posting since the collapse. Discussion | Link

"We've got time into 2027 before we're getting nervous."