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MySQL 大事務提交優化
在使用和運維 MySQL 的過程中你一定碰到過下面這種奇怪的慢 SQL。 • 平時執行很快的 INSERT 語句,竟然執行了1.3s,並且慢 SQL 記錄裏也沒有看到長時間的鎖等待。 • 多語句事務的所有語句都已經執行完了,但是 COMMIT 語句竟然執行了1.3s。 當這種情況出現時,最有可能的就是有大事務在提交。以下是一個模擬測試的結果,我們用 Sysbench 來模擬正常的業務 ⌘ Read more

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如何畫架構圖 - 軟件設計架構師必學的一門課
前言:是時候乾點正事了,架構圖在做架構設計的時候尤爲重要,有了架構圖,很多時候你能給別人講清楚一些技術上的事情。常見架構圖的分類常見架構圖的畫法2.1 業務架構定義:描述系統對用戶提供了什麼業務功能,類似於 4+1 視圖的場景視圖。技巧:通過不同的顏色來標識業務狀態;業務分組管理。示例:2.2 客戶端架構、前端架構定義:客戶端和前端的領域邏輯架構,類似於 4+1 視圖的邏輯視圖。技巧:通過不同顏色 ⌘ Read more

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深度剖析 MCP SDK 最新版: Streamable HTTP 模式正式發佈,爲你實測揭祕
最近,MCP SDK 新版本更新發布(最新爲 v1.9.0),其中最大的更新莫過於終於提供了新版協議中的傳輸模式 — streamable HTTP。不過由於 MCP SDK 的文檔一直以來” 語焉不詳 “的風格,很多開發者知其然卻不知其所以然,很容易在應用中踩坑。本文將對這種模式進行全面剖析與實測,幫助大家深入認識這種新的模式。快速上手:開啓 streamable HTTP 深入兩個核心參 ⌘ Read more

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How Stolen iPhones Travel From Western Streets to Chinese Markets
The Feiyang Times is an unassuming tower in Shenzhen’s Huaqiangbei district, but it has earned the nickname “the stolen iPhone building” in Apple community forums. According to a Financial Times investigation (paywalled), the building has become a major hub in a global network trafficking stolen iPhones.

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ASUS IoT Unveils RUC-1000 Series with 600W GPU Support and Up to 4000 TOPS at Computex 2025
ASUS IoT has announced the RUC-1000 series at Computex 2025, introducing what it describes as the world’s first 2U 19-inch rugged edge AI GPU computer with PCIe 5.0 support for up to 600W GPUs. Designed for edge AI deployments in industrial environments, the new series includes the RUC-1000G and RUC-1000D models, offering performance scalability and […] ⌘ Read more

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SiFive and Red Hat Collaborate to Bring RHEL 10 to RISC-V Development
SiFive has announced a new collaboration with Red Hat to deliver a developer preview of Red Hat Enterprise Linux 10 for the RISC-V architecture. The initial support is available on the SiFive HiFive Premier P550 development platform, giving developers a path to build and test enterprise and cloud workloads on RISC-V hardware. The HiFive Premier […] ⌘ Read more

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AMI Aptio V Firmware Powers Radxa Orion O6 at COMPUTEX 2025
AMI has announced that its Aptio V UEFI Firmware will power the Radxa Orion O6 demo platform at COMPUTEX Taipei 2025. Described as the “World’s First Open Source Armv9 Motherboard,” the compact Orion O6 Mini ITX board is designed for AI, edge computing, and multimedia-intensive workloads. The board uses the CiX P1 CD8180 SoC, which […] ⌘ Read more

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How to Use Surfshark DNS on Mac, iPhone, iPad
Did you know that your internet service provider default DNS servers almost certainly track and log your online activity? Basically this means that every time you visit a website or use an internet-connected application from your Mac, iPhone or iPad, your ISP is aware of that. Many ISP’s will not only log and track your … Read MoreRead more

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[$] An update on continuous testing of BPF kernel patches
Ihor Solodrai has been working on the BPF subsystem’s continuous-integration
(CI) testing for the last six months. At the 2025 Linux Storage, Filesystem,
Memory-Management, and BPF Summit, he remotely shared
an update on his work, and solicited feedback on how the tests could be further
improved. Much of the work he’s done has been specific to the BPF subsystem, but
some is more generic and could potentially be of use to other subsystems. He
also shared some general lessons le … ⌘ Read more

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[$] Debian AI General Resolution withdrawn
Despite careful planning and months of warning, Debian developer Mo
Zhou has acknowledged that the project needs more time to grapple with
the questions around AI models and the Debian Free Software Guidelines
(DFSG). For now, he has withdrawn his proposed General Resolution (GR)
that would have required the original training data for AI models to
be released in order to be considered DFSG-compliant—though the
debates on the topic continue. ⌘ Read more

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A milestone for lightweight Kubernetes: k0s joins CNCF sandbox
Member post originally published on the Mirantis blog by Prithvi Raj We are excited to announce that k0s, our lightweight, zero dependencies, and fully open-source Kubernetes distribution, has officially joined the Cloud Native Computing Foundation (CNCF) as a Sandbox project!… ⌘ Read more

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Security updates for Tuesday
Security updates have been issued by Debian (firefox-esr, openjdk-11, openjdk-17, and wireless-regdb), Fedora (iputils, open-vm-tools, sfnt2woff-zopfli, and woff), Red Hat (postgresql:12), SUSE (apache2-mod_auth_openidc, brltty, helm, python-maturin, and rubygem-rack), and Ubuntu (linux-azure-fips). ⌘ Read more

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Global Warming Has Already Made Natural Habitats Unsurvivable for 2% of Amphibians: Study
Paige Bennett,  Contributing Writer  -  EcoWatch

_Stephan: I have been telling you for several years now that humanity, and particularly in the United States, is not doing anywhere close to enough to stop the damage being caused by climate change and the degradation of the matrix of life. Here is yet another scientific report on the impact on Amphib … ⌘ Read more

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‘Second biggest scandal’: Trump accused of new grift that puts Qatari plane in shade
Matt Laslo,  Washington Correspondent  -  Raw Story

_Stephan: The corruption of aspiring dictator Trump and his family is so vast I don’t think most Americans even understand how bizarre and extreme it has become. There has never been anything like it in the previous 250 years. The Qatar 13-year-old hand-me-down airplane got a lot of attention, but that is jus … ⌘ Read more

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Used-car dealerships charge hidden fees: How to spot them
Dieter Holger,  Data Reporter  -  Consumer Affairs

_Stephan: Because of the incompetence of aspiring dictator Trump and his tariff nonsense the price a new cars is going to go up significantly, so people are turning to buying used cars. But, because greed is the defining characteristic of American culture, used car dealerships are rigging the purchase arrangements to make more profit. If you are thinking about … ⌘ Read more

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It’s Breathtaking How Fast AI Is Screwing Up the Education System
Lucas Ropek,    -  Gizmodo

_Stephan: As this report spells out, “Thanks to a new breed of chatbots, American stupidity is escalating at an advanced pace.” The reality is that young Americans are not going to be as well educated as their parents, grandparents, or great-grandparents. The Trump MAGAt Republican coup is destroying American leadership, stature in the world, and even the ability of Am … ⌘ Read more

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iOS 19 Will Let Developers Use Apple’s AI Models in Their Apps
Apple will make its artificial intelligence models available to developers to use in their apps, reports Bloomberg. The company plans to introduce a new software development kit (SDK) in iOS 19 that will make it easier for app creators to add AI features.

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10 Normal Items You Didn’t Know Were Once Part of Burial Rituals
We tend to think of everyday objects—pillows, perfumes, makeup—as inventions born from comfort, beauty, or practicality. But dig through the layers of history, and you’ll find that some of these now-ordinary items have surprising ties to ancient burial rites, funerary customs, or corpse preparation. To be clear: not all of these items were originally invented […]

The post [10 Normal Items You Didn’t Know … ⌘ Read more

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10 Misconceptions in Art & Architectural History
Art history is filled with captivating stories, iconic masterpieces, and legendary artists—but not everything you’ve heard is true. From misattributed paintings to misunderstood movements, the art world has its fair share of myths and mix-ups. In this list, we’re setting the record straight by debunking some of the most common misconceptions in art and architecture. […]

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百萬併發下 Nginx 的優化之道!
實現百萬併發不僅靠 Nginx 本身性能,還要操作系統、網絡、配置的全面協同 @mikechen連接配置優化理論最大併發連接數 = workerprocesses × workerconnections。workerconnections 65535;每個 worker 進程可以獨立處理多個連接,增加 worker 進程數可以提高並行處理能力。除此之外,增加單個 worker 進程可以打開的最大文 ⌘ Read more

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OpenAI 公開 Codex 系統提示詞
昨天,OpenAI 發佈了一個新功能:Codex。一個在雲端運行的 Coding Agent。體驗鏈接:chatgpt.com/codex可以處理包括跑現成代碼、解答 Github 上的項目、修復 BUG 以及提 PR 等功能。目前還不能聯網,不能裝包,只能基於倉庫裏已有的代碼 + 提前配置好的環境進行工作。Codex 背後的模型來自 codex-1,基於 OpenAI o3 微調,專門針對軟件工 ⌘ Read more

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Flutter 與 Rust 跨界聯手:打造跨平臺開發新紀元
使用 Rust 與 Flutter 的理由假設我們需要獲取當前設備的電池電量。如果沒有任何插件提供這種功能,那就必須解決兩個問題:如何在本地代碼和 Flutter 之間傳輸數據,以及如何處理不同平臺的特定語言(如 C++/Kotlin/Swift 等)。數據傳輸挑戰——在 Flutter 應用和本地代碼之間傳輸大量數據時,創建綁定以實現在兩者間的數據交換是必要的。這個過程涉及到大量的樣板代 ⌘ Read more

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Context7 MCP :實時文檔檢索讓代碼更精準,Cursor 開發效率翻倍!
痛點–不知道大家在編程時,有沒有遇到過 AI 大模型會胡編亂造一些庫來調用的情況。我是遇到過的,記得是 Copilot 剛出來的時候,國內的文心一言也很火,遇到問題,我就會問他,但是發現他寫的代碼都沒法運行,調的庫都是沒有的東西,幻覺很厲害。最近又遇到了這樣一個場景,讓 AI 助手幫我完成下面一個需求:開發一個 chrome 插件,幫我在閱讀文章時,進行總結。開發一個chrome插件,具有以下兩 ⌘ Read more

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