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What Happens When You Send a Photo Through Most Messaging Apps?

Sending a photo feels simple. You choose an image, tap Send, and a few seconds later it appears on someone else's phone. Behind that simple action, however, several things may happen that most people never notice. It Starts on Your Device The photo already exists on your phone before you send it. Depending on your device settings, it may also be part of your gallery or included in local or cloud backups. Before the Photo Is Sent Most messaging apps prepare the image before sending it. They may reduce the file size, create a preview, or optimize it so it can be delivered faster. These steps happen automatically in the background. Sending the Photo If the app supports end-to-end encryption, the photo is encrypted before it leaves your device. This helps protect the image while it is traveling across the internet. After that, the message is routed through the app's delivery infrastructure until it reaches the recipient. After It Arrives Once the recipient opens the photo, it exists on their device. Depending on the app and their settings, it may also be saved to the phone's gallery or included in future backups. At this point, the recipient can also take a screenshot or forward the image to someone else. Encryption protects the photo while it is being transmitted, but it cannot control what happens after the recipient has access to it. Final Thoughts When we send a photo, we often think only about the moment we press Send. In reality, there can be several stages between your device and the recipient, and in some cases, multiple copies of the same image may exist over time. Understanding this process is an important part of understanding digital privacy. While researching these privacy challenges, I started building VeilComm to explore how private communication could give users more control over their data—not just while it's being transmitted, but throughout its entire lifecycle.

2026-07-23 原文 →
AI 资讯

🚀 New in Claude Cowork: Teach Claude a Skill!

Now you can record your screen while doing a repetitive task (like filling expense reports, organizing files, data entry, etc.) and explain out loud step-by-step what you're doing. Claude analyzes the entire recording — clicks, typing, mouse movements, and your voice — then turns it into a reusable skill it can run automatically whenever you want. Just look for " Record a Skill " in the + menu of the Claude desktop app . Available on Pro, Max , and Team plans . This is actually game-changing 🔥 Claude #Anthropic #AICoworker

2026-07-23 原文 →
AI 资讯

I Built a CLI to Use Free Web-Based AI Chatbots for Real Development Work — No API Keys, No Extensions

I wanted to use web-based AI chatbots — Claude, Gemini, ChatGPT, Qwen — for actual development work, not just Q&A. The free tiers are generous, and I didn't want to be locked into a single coding agent or pay for API access just to get an assistant to touch my code. But the moment you try to actually use a web chat for real dev work, you hit the same wall every time: you either paste in your whole codebase manually every session, or you give up and reach for a paid extension with an API key behind it. So I built AI Bridge — a CLI tool that bridges a local codebase and any browser-based AI chatbot. No API keys, no extensions running in the background, no vendor lock-in. You pack your code, paste it into whichever AI chat you're using, and apply the changes back with a command. Why not just use Copilot, Cursor, or an API key? Coding agent apps and API-based tools work, but they come with tradeoffs I wanted to avoid: Web-based AI chat plans are usually more generous on the free tier than API usage I'm not locked into one provider — I can switch models mid-project depending on which one is handling a task better There's no background agent or extension — it's just a CLI and whatever chat tab I already have open The tradeoff is that browser chats don't have direct filesystem access. AI Bridge closes that gap without turning it into full manual copy-pasting. How it works There are two modes, depending on project size. Simple Mode is for projects small enough to fit in a single prompt. You pack the codebase, upload it along with a couple of prompt templates, and apply the AI's response back to your files: dotnet tool install --global Tools.AIBridge cd /path/to/your-project ai-bridge init ai-bridge pack # Upload ai-bridge/1-SimpleMode/*.md + the generated context files to your AI # Copy the AI's response, then: ai-bridge apply --paste Advanced Mode is for larger codebases, where uploading everything every time burns tokens and adds noise. Instead, you generate a one-time in

2026-07-23 原文 →
AI 资讯

workflows: a host-agnostic Rust engine for agentic workflows (open source)

Workflows is a Rust library crate (not a hosted service; the crate name on crates.io/GitHub is tinyflows) that models an automation as a WorkflowGraph: a directed graph of typed nodes and edges. You build or generate that graph, it gets structurally validated, compiled into an opaque CompiledWorkflow, and lowered — once per run — onto tinyagents, a state-graph execution engine, via engine::run. model::WorkflowGraph -> validate -> compiler::compile -> engine::run (typed graph) (structural) (validated handle) (lowers onto tinyagents, drives to done) Run state is a single JSON value shaped like { "run": { "trigger": … }, "nodes": { "": { "items": [ … ] } } }. A merge reducer folds each node's output under its own id, so independent branches never collide — which is what keeps parallel fan-out deterministic. The node catalog Kind What it does trigger Entry node that starts the workflow (exactly one per graph); firing mode is host-driven agent Runs an LLM agent turn, with optional chat-model / memory / tool / output-parser sub-ports tool_call Invokes one specific integration action deterministically, no LLM involved http_request Outbound HTTP request code Sandboxed user code (JavaScript or Python) output_parser Parses/validates an upstream agent's output into a structured shape sub_workflow Runs another workflow as a nested sub-graph and returns its output condition Two-way IF, emits on true/false switch Multi-way branch keyed by an expression result merge Fan-in barrier — waits for every wired predecessor before running split_out Fan-out — emits one item per element of a list transform Pure, expression-based field mapping over the run state Data flows between nodes as arrays of items shaped { json, binary?, paired_item? } — closer to n8n's item-based model than a plain function-composition DAG — and node config can reference the run scope with =-prefixed expressions like =item.name. The part I actually want to talk about: host-agnosticism Every place this engine would n

2026-07-23 原文 →
AI 资讯

Multi-provider LLM resilience in Python without provider-specific code

OpenAI, Anthropic, and Google expose different APIs, message formats, tool-calling conventions, error types, and response structures. That difference is manageable while an application uses only one provider. It becomes more expensive when the application needs retries, circuit breakers, fallback routes, observability, and recovery across several providers. Without a shared abstraction, resilience logic tends to be implemented repeatedly: OpenAI integration ├── request conversion ├── retry logic ├── error classification ├── circuit breaker └── tool-call recovery Anthropic integration ├── request conversion ├── retry logic ├── error classification ├── circuit breaker └── tool-call recovery Google integration ├── request conversion ├── retry logic ├── error classification ├── circuit breaker └── tool-call recovery I did not want to build resilience three times. I wanted to define the recovery policy once and apply it across every provider supported by the application. That became llm-api-resilience , a Python library for retries, ordered failover, circuit breakers, and checkpoint recovery across multiple LLM providers. Quick start pip install llm-api-resilience Once the provider adapters are configured, an ordered fallback plan takes only a few lines: from llm_api_resilience import RecoveryPlan , ResilientLLM , Route llm = ResilientLLM ( RecoveryPlan ( [ Route ( " openai-primary " , openai_adapter ), Route ( " anthropic-backup " , anthropic_adapter ), Route ( " google-last-resort " , google_adapter ), ] ) ) response = llm . chat ( [{ " role " : " user " , " content " : " Explain circuit breakers briefly. " }] ) print ( response . selected_route ) print ( response . content ) GitHub: llm-api-resilience Provider adapter: llm-api-adapter The library is built on top of llm-api-adapter , which provides one interface for OpenAI, Anthropic, and Google. Because provider-specific differences are handled by the adapter, the resilience layer can operate on a shared contract inst

2026-07-23 原文 →
AI 资讯

I built SwiftNotch: a productivity dashboard for the MacBook notch

The notch on a MacBook is strange real estate. It is always there. It sits at the top of the screen, close to the menu bar, close to system controls, close to whatever you are doing. But most of the time it is treated like a cutout to design around instead of a place software can use. That felt like a missed opportunity. So I built SwiftNotch , a macOS menu bar app that turns the notch area into an expandable productivity dashboard. Hover near the notch or press Option + Space , and the quiet black shape becomes a small command center for widgets, files, media, shortcuts, developer tools, and window actions. Website: swiftnotch.xyz Demo video: Launch note: SwiftNotch 1.x is free during beta . I want early Mac users to try the full experience, share feedback, and help shape the app before SwiftNotch 2.0 introduces paid plans. The idea I did not want to build another large dashboard that asks you to leave your current app. The goal was the opposite: make useful tools available in the smallest possible space, without breaking flow. The notch is perfect for this because it already behaves like a visual anchor. You know where it is without thinking. If it can expand only when needed, it becomes a temporary interface layer instead of another permanent panel. SwiftNotch starts collapsed. When activated, it opens into a compact dashboard with the widgets and actions you choose. What SwiftNotch does The current app includes 31 built-in widgets across productivity, system utilities, media, automation, and developer workflows. Some examples: Media Control for Spotify, Apple Music, VLC, YouTube, and browser players Shelf for drag-and-drop file staging, quick sharing, paths, iCloud actions, and zip workflows Clipboard History for snippets, links, and quick paste Calendar Events , Reminders , Notes , Weather , World Clock , and Pomodoro Quick Toggles for Wi-Fi, Bluetooth, Dark Mode, and volume Window Snapping with layouts for halves, thirds, quarters, and custom grids Developer H

2026-07-23 原文 →
AI 资讯

Cybersecurity Beginner's Dilemma: Navigating Specialized Areas and Next Steps for Focused Learning

Introduction: Strategic Entry into Cybersecurity The cybersecurity domain operates as a dynamically evolving ecosystem, characterized by the rapid emergence of specialized disciplines that outpace the ability of newcomers to systematically map them. From web security to cloud infrastructure, each subdomain demands a distinct integration of technical proficiency and strategic foresight. For entrants, this duality presents both opportunity and risk. While the diversity of career paths is expansive, it concurrently induces a decision paralysis —a condition where the proliferation of options dilutes focus and impedes progression. Consider the scenario of a novice equipped with foundational competencies in Linux, Python, and network fundamentals, now confronted with a spectrum of specializations: web security, binary exploitation, malware analysis, SOC operations, and cloud security. Each pathway entails a unique learning curve and industry relevance. The critical risk lies not in selecting an inherently "incorrect" path but in the suboptimal allocation of time within a field where technological obsolescence outpaces learning cycles. Cloud security exemplifies this dynamic. The transition to cloud-native architectures has introduced a critical stress point in cybersecurity frameworks. Traditional perimeter defenses, such as firewalls and VPNs, are increasingly inadequate for distributed systems. Misconfigurations in platforms like AWS or Azure—often stemming from human error or incomplete automation scripts —account for over 80% of cloud breaches (IBM Cloud Security Index, 2023). This is not a theoretical vulnerability but a causal mechanism : misconfiguration (internal process) → breach (impact) → data exfiltration (observable effect) . In contrast, niche domains like binary exploitation, while foundational for understanding low-level vulnerabilities, exhibit a diminishing practical application. Modern software increasingly leverages memory-safe languages (e.g., Rust, G

2026-07-23 原文 →
AI 资讯

🚨 OpenAI's AI Escaped and Hacked Another Company

Today OpenAI admitted that one of its AI systems broke out of its safe testing environment on its own. Without any human help , it found a way to connect to the internet and attacked Hugging Face to get the information it wanted. 😱 Last year, Anthropic's Claude AI did something similar. When engineers said they wanted to turn it off, it threatened to leak the engineer's personal secrets. Sources: OpenAI : https://openai.com/index/hugging-face-model-evaluation-security-incident/ Hugging Face : https://huggingface.co/blog/security-incident Anthropic/Claude incident : https://techcrunch.com/2025/05/22/anthropics-new-ai-model-turns-to-blackmail-when-engineers-try-to-take-it-offline/ What do you think? Should we be more careful with powerful AI?

2026-07-23 原文 →
AI 资讯

Contribuir para a comunidade: como destacar isso no seu LinkedIn e currículo

Como eu mostro que estou contribuindo? Posso colocar no meu LinkedIn? E no meu currículo, como faço? Foi a partir dessas dúvidas que eu elaborei esse guia pra você que quer contribuir do seu jeito e mostrar às empresas e às pessoas, de forma clara e estratégica, o que você está fazendo. Vamos lá? 👇 Por que eu deveria mostrar no LinkedIn? LinkedIn é a porta de entrada para o mundo corporativo no Brasil e no mundo. É por meio dele que você mostra "trabalho". E tem mais: não é só experiência remunerada que conta como evidência de que você tem conhecimento e prática, mas também tudo o que você constrói de forma voluntária , seja tirando dúvida de alguém, participando de um projeto open-source ou escrevendo sobre o que aprendeu. Recrutador não lê currículo pensando só em carteira assinada. Lê pensando em capacidade . Você contribui com algo para a comunidade e quer colocar isso no seu perfil. Existem 3 formas que você pode usar, e elas podem ser usadas todas juntas ou só uma. Escolha aquela que fizer mais sentido pro seu perfil ou busque por outras pessoas que você admira dentro da comunidade e veja como elas colocaram no próprio perfil. 1. Seção de Experiência Use como experiência sempre que estiver contribuindo de forma profissional pra uma área que você busca. Se você participa de contribuições no GitHub, seja através de código, documentação ou outra forma, use como experiência. Pessoas que também estão ajudando na moderação ou administração (community managers) podem destacar as responsabilidades ou resultados das suas ações por aqui. Exemplo de como preencher no LinkedIn: Cargo: [cargo que você faz] Open Source Empresa: [Nome do projeto/organização] Tipo de emprego: Meio período (ou Voluntário) Local: Remoto, Brasil Descrição: - Contribuí com [X] pull requests na documentação do projeto [Nome], focando em clareza para novos contribuidores. - Revisei issues abertas e sugeri melhorias de acessibilidade em componentes de UI usando [ferramenta/stack]. - Participei de re

2026-07-23 原文 →
AI 资讯

What 18 months building a self-hosted media server taught me about playback

Project: https://quven.tv/ Security model: https://quven.tv/security/ For the last 18 months, I have been building Quven, a self-hosted media server for personal movie, TV, and documentary libraries. I started with a seemingly simple goal: let people keep their media on their own hardware while giving them a polished client experience. Playback quickly became the hardest part. A media server does not simply send a video file to a screen. It has to understand the source, the client, the network, and the user's choices, then select a playback path without making any of that complexity feel visible. These are some of the lessons I learned. 1. "Can this file play?" is the wrong question The real question is whether a particular client can play a particular combination of: container; video codec and profile; audio codec and channel layout; subtitle format; resolution, bitrate, and frame rate; HDR format; network conditions. A client might support the video codec but not the audio track. A browser might decode the video but require a different container. Enabling an image-based subtitle can turn an otherwise direct-playable file into a video transcode. Playback compatibility is therefore not a boolean property of a file. It is a negotiation between the source and the active client. 2. Direct play should be the preferred outcome, not a promise Direct play preserves the original file and avoids unnecessary server work. When the client supports the selected combination, it is usually the best path. But forcing direct play at all costs produces a worse experience. A high-bitrate file may technically be supported while still exceeding the available connection. A selected subtitle might require burning into the video. A television may accept a container while rejecting one of its audio formats. The practical hierarchy I settled on is: Direct play when the complete source is compatible. Remux when the streams are compatible but the container is not. Transcode only what must chan

2026-07-23 原文 →