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Go Context 實踐指南:以生產環境問題爲例
背景    Go 語言中的 context(上下文) 對於 Go 程序員來說應該是司空見慣, 很多都會不假思索的將 context 類型入參作爲函數的第一個參數.     最近因爲在生產環境處理過一個和 context 有關的問題, 因此希望可以藉助這個實際問題說說 context 使用上的注意事項. 類似 “context 應該使用參數傳遞不能作爲 struct 成員” 的八股知識不在本文討論範 ⌘ Read more

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RK3566 Credit Card-Sized SBC with M.2 Expansion and 4K Video Support
The RK3566 Single Board Computer is designed for a range of applications, combining processing power with multiple connectivity options. Built with an 8-layer PCB design and featuring a compact form factor, it is powered by a quad-core Cortex-A55 processor and includes an M.2 2242 slot for expansion. The SBC features the Rockchip RK3566, a quad-core […] ⌘ Read more

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Torizon and Texas Instruments Collaborate on Cybersecurity Compliance for Embedded Systems
Torizon and Texas Instruments have announced a collaboration aimed at simplifying cybersecurity compliance and development for industrial and medical embedded systems. The partnership integrates Torizon’s software platform with TI’s Arm-based, Linux-capable processors, addressing increasing security requirements such as those outlined in the EU Cyber Resilience Ac … ⌘ Read more

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Monero Research Lab meeting scheduled for 12 March 2025 1700 UTC
The next Monero Research Lab1 meeting is scheduled to take place on Wednesday, March 12th 2025 at 17:00 UTC on IRC-Libera/Matrix2 in the #monero-research-lab channels.

Agenda overview (unconfirmed)
  • Updates
  • Prize contest to optimize some FCMP cryptography code3
  • Release of OSPEAD HackerOne and CCS milestone submissions4
  • Possible intermediate hard fork before FCMP hard fork
  • Research on sub … ⌘ Read more

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Updated iPad Air with M3 Chip Released by Apple
Apple has given the iPad Air lineup a spec-bump update to include M3 chips, but otherwise the new iPad Air remains pretty much the same as the previous M2 model. The updated iPad Air with M3 chip features the same 12 megapixel front and rear camera with Center Stage on the front camera, Touch ID … Read MoreRead more

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Finding leaked passwords with AI: How we built Copilot secret scanning
Passwords are notoriously difficult to detect with conventional programming approaches. AI can help us find passwords better because it understands context. This blog post will explore the technical challenges we faced with building the feature and the novel and creative ways we solved them.

The post [Finding leaked passwords with AI: How we built Copilot secret scanning](https … ⌘ Read more

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tvOS 18.4 Beta Further Hints at Apple’s Work on Smart Home Hub
In the latest beta of tvOS 18.4, there are new hints of Apple’s work on a smart home hub accessory that’s rumored to be coming as soon as this year. MacRumors found that Apple has added ChatKit framework to the tvOS code, which is curious as there is no Messages app available on the Apple TV or the HomePod.

![](https://images.macrumors.com/art … ⌘ Read more

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KubeCon + CloudNativeCon Europe 2025 co-located event deep dive: Cloud Native + Kubernetes AI Day
Co-chairs: Rajas Kakodkar, Ricardo Rocha, Thiago Gil, Yuan TangApril 1, 2025London Cloud Native & Kubernetes AI Day brings together a diverse range of technical enthusiasts, open source contributors, practitioners, researchers and end users, all united in… ⌘ Read more

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Open Networking & Edge Summit: A Must-Attend for KubeCon + CloudNativeCon Attendees
For over a decade, the Open Networking & Edge Summit has been the premier gathering for leaders in open networking, edge, cloud, and IoT industries. It’s a unique event that fosters a neutral, collaborative environment, bringing… ⌘ Read more

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Trump Reveals Tariffs Plan to Ruin American Farmers’ Lives
Malcolm Ferguson,  Associate writer  -  The New Republic

Stephan: Thanks to the stupidity of “king” Trump, who clearly does not understand what tariffs are, Americans, like you and me, are about to see a number of farmers go broke, and the prices we pay for produce at the grocery go up by as much as 25%

Image

_C … ⌘ Read more

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Tariffs Could Raise US Car Prices by Up to $12,000
Keith Naughton,  Staff Writer  -  Transport Topics | Bloomberg

Stephan: You are about to get another gift from “king” Trump’s coup; the cost of buying a new car, by design, particularly an electric vehicle, is about to skyrocket. There will also be fewer vehicles to choose from. Aren’t you Republican voters happy? You voted for this.

![](https://www.schwartzreport.net/wp-content/uploads/2025/03/Screenshot-2025-03-03-at-4. … ⌘ Read more

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Russia celebrates US foreign policy that now ‘coincides’ with Moscow’s worldview
Clea Caulcutt,  Staff Writer  -  Politico

_Stephan: This is like something out of an evil novel. Criminal Trump is dismantling the geopolitical balance that has prevailed in the world for 80 years. The United States is now partnering with the Russian dictator, against all the Western democracies. How can this be happening? In my opinion it is because Putin has somethi … ⌘ Read more

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Ten Signs 2025 Will Be the Year of the U.S. Recession
Clearly, the timing of this article will lead many to dismiss it out of hand as “cope.” However, the recent change in the U.S. executive and legislative branches is not the heart of this matter. The United States of America is still, despite factors such as tariffs and income inequality, a consumer economy, and consumers […]

The post [Ten Signs 2025 Will Be the Year of the U.S. Recession](https://listverse.com/2025/03/04/ten- … ⌘ Read more

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10 Rather Sensible Reasons Actors Walked Away from Movie Sequels
The modern movie business is built on sequels. Rarely, if ever, does a box office smash get to remain just one film, and even some middling flicks from every genre get expanded into whole franchises. And it’s not difficult to see why—name recognition gets paying audiences into the cinema. However, while financiers and producers are […]

The post [10 Rather Sensible Reasons Actors Walked Away from Movie S … ⌘ Read more

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golang 每日一庫之 go-flags
go-flags 是一個用於處理命令行參數和標誌的 Go 庫,它提供了一種簡潔而靈活的方式來定義和解析命令行標誌(flags)和參數。這個庫對於需要處理命令行輸入的 Go 應用程序非常有用,特別是在構建 CLI(命令行工具)時。1. 安裝 go-flags首先,你需要安裝 go-flags 庫。在命令行中運行以下命令:go get github.com/jessevdk/go-flags這個命令會 ⌘ Read more

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在 Go 中如何使用分佈式鎖解決併發問題?
在分佈式系統中,協調多個服務實例之間的共享資源訪問是一個經典的挑戰。傳統的單機鎖(如 sync.Mutex)無法實現跨進程工作,此時就需要用到分佈式鎖了。本文將介紹 Go 語言生態中基於 Redis 實現的分佈式鎖庫 redsync,並探討其使用方法和實現原理。分佈式鎖首先我們來探討下爲什麼需要分佈式鎖?當我們編寫的程序出現資源競爭的時候,就需要使用互斥鎖來保證併發安全。而我們的服務很有可能不會單 ⌘ Read more

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MayQueen Introduces a 2.13″ Four Color E-Paper Display for Embedded Applications
MayQueen has introduced the PIXPAPER-213-C, a 2.13-inch prototype electronic paper display developed with Triangle Alien Studio. Featuring a four-color display and an SPI interface, it is designed for low-power, high-contrast embedded applications. The PIXPAPER-213-C supports black, white, yellow, and red colors with a resolution of 250×122 pixels and a density of 130 DPI. The active … ⌘ Read more

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Apple Announces New iPad Air With M3 Chip, Updated Magic Keyboard, and More
Apple today introduced new 11-inch and 13-inch iPad Air models with the M3 chip, an updated Magic Keyboard, and more.

Image

With the M3 chip, the new iPad Air should offer up to 20% faster performance compared to the previous model with … ⌘ Read more

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Adafruit Metro RP2350 is Available for $24.95 with Arduino Form Factor Compatibility
The Adafruit Metro RP2350 is designed for projects that require Arduino form-factor compatibility, multiple GPIO options, and debugging capabilities. Built around the Raspberry Pi RP2350 microcontroller, this board provides various connectivity features and programming support, making it a flexible choice for embedded development. As its name suggests, the Metro RP2350 feature … ⌘ Read more

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ADLINK and LIPS Introduce 3D Perception DevKit for Autonomous Mobile Robots
ADLINK Technology and LIPS have introduced a perception solution for autonomous mobile robots. The LIPSAMR Perception DevKit integrates ADLINK’s DLAP-411-Orin platform with LIPSedge AE Active Stereo 3D cameras, providing enhanced 3D vision with a wider field of view and higher resolution than LiDAR. Built on NVIDIA Isaac Perceptor, it is designed for smart manufacturing and […] ⌘ Read more

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Go 1-24 中改進的 Finalizer:介紹 runtime-AddCleanup
Go 1.24 通過 runtime.AddCleanup 引入了一個新的、改進的 Finalizer 機制。這個函數是對 runtime.SetFinalizer 的重大改進,提供了更多的靈活性、更好的效率和改進的安全性。Finalizer 在 Go 中扮演着關鍵角色,當對象不再可達時運行清理函數。這允許開發者自動執行諸如關閉文件、釋放內存和註銷資源等重要任務。今天我們將探討 runtime.A ⌘ Read more

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Cuprate Meeting scheduled for 11 March 2025 1800 UTC
The next Cuprate Meeting is scheduled1 to take place on Tuesday, March 11 2025 at 18:00 UTC on IRC-Libera/Matrix2 in the #cuprate channels.

Cuprate is an effort to create an alternative Monero node implementation.

Agenda overview
Greetings
Updates: What is everyone working on?
Project: What is next for Cuprate?
Any other business

The meeting’s moderator should be Boog9003. Consult the Cuprate code reposi … ⌘ Read more

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b4n6_b4n6, not-a-money-printer propose bounties to make Monero GUI, RetoSwap, UnstoppableSwap ‘Whonix friendly’
b4n6_b4n61 and not-a-money-printer2 have proposed bounties345 to make monero-wallet-gui6, RetoSwap7, and UnstoppableSwap8 Whonix friendly 9:

”`
#1 Make monero-wallet-gui whonix friendly
Total Bounty: ~0.12 XMR (to date)

#2 Make reto swap whonix friendly
To … ⌘ Read more”`

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[AFH] [0.13 XMR] Anonymous Web development for landing page - No Logs, No Tracking, Just Code.

I offer minimalist landing pages, personal portfolios, and business profile websites with a strong focus on privacy and anonymity. No tracking, no Google Analytics, and no sensitive data collection. delivery can take times depending how complex the website is.

Link: https://xmrbazaar.com/listing/QyQR/

AdditionalRabbit31 (XMRBazaar) ⌘ Read more

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Beta 2 of iOS 18.4, MacOS Sequoia 15.4, iPadOS 18.4, Available for Testing
The second beta versions of iOS 18.4, iPadOS 18.4, and MacOS Sequoia 15.4 are available for users enrolled in the beta testing programs for the Apple operating system suite. The latest beta builds continue to refine Apple Intelligence features, add a new Ambient music feature from Control Center, and for iPadOS and MacOS include the … [Read More](https://osxdaily.com/2025/03/03/beta-2-of- … ⌘ Read more

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Deals: iPad mini 7 for $399
Amazon has returned with more great deals on Apple products, including taking $100 off the all-new iPad mini 7, taking 18% off the Apple Watch Series 10, and getting an AirTags 4-pack for just $70. Check out the deals! iPad mini 7 – $399 (down from $499) iPad mini 7 features the A17 processor with … Read MoreRead more

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Beta 2 of iOS 18.4, MacOS Sequoia 15.4, iPadOS 18.4, Available for Testing
The second beta versions of iOS 18.4, iPadOS 18.4, and MacOS Sequoia 15.4 are available for users enrolled in the beta testing programs for the Apple operating system suite. The latest beta builds continue to refine Apple Intelligence features, add a new Ambient music feature from Control Center, and for iPadOS and MacOS include the … [Read More](https://osxdaily.com/2025/03/03/beta-2-of- … ⌘ Read more

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Announcing the Beta Release of OpenTelemetry Go Auto-Instrumentation using eBPF
The OpenTelemetry community is excited to announce the beta release of the OpenTelemetry Go Auto-Instrumentation project! This milestone brings us closer to our mission of making observability simple, accessible, and effective for Go applications. What is… ⌘ Read more

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Data Protection Working Group Deep Dive Session at KubeCon + CloudNativeCon London
Data on Kubernetes is a growing field, with databases, object stores, and other stateful applications moving to the platform. The Data Protection Working Group focuses on data availability and preservation for Kubernetes – including backup, restore,… ⌘ Read more

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New Phippy Book Guidelines: Enhancing Community Access & Engagement
Phippy and Friends have long been a beloved part of the cloud native ecosystem, making complex technologies more approachable through storytelling. As interest in these books grows, CNCF is introducing new guidelines to better support, distribute,… ⌘ Read more

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Our guy escaped, out carousing for 3 days, I was SICK. Posted him everywhere, called him all night. He just showed up again out of nowhere, ate a ton, farted in my face, then passed out like this. SmhRead more

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Iowa has high cancer rates. Trump’s cuts to CDC and NIH are already hitting the state
Yuki Noguchi,    -  npr

_Stephan: The ruthless, nasty incompetent madness of the Trump coup and its dismemberment of the CDC, and healthcare generally are beginning to impact states. Here is a story from Iowa, a state with an abnormally high cancer rate. Personally, I think this high rate is the result of the toxins used in chemical monoculture agriculture, … ⌘ Read more

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What we know about Medicare ending telehealth coverage in April 2025
Amelia Clarke,  Contributing Writer  -  Snopes

_Stephan: The Trump coup is explicitly designed to make you and your family less healthy. Of course, Trump and his Frankenstein Musk don’t say that, but what they are doing tells us everything we need to know. There is an enormous amount of misinformation on the social media platforms about telemedicine. But this report on Snopes, I think, ca … ⌘ Read more

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Local and State Police are Joining Trump’s Deportation Force
Francesca D’Annunzio,  David McHam Investigative Reporting Fellow  -  Texas Observer

_Stephan: Here is the fact-based truth about what is going on with deportation. Two things stand out for me. The first is that the Trump coup is actually deporting fewer people than Biden’s presidency did. The second is that Trump is now basically militarizing local and state police exactly as Hitler did. If you track the … ⌘ Read more

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Some consumers are not spending money for today’s economic blackout. Here’s what to know.
Betty Lin-Fisher,  Customer Reporter  -  USA Today

Stephan: The 28 February “Don’t Buy for 24 hours” boycott doesn’t seem to have amounted to much. What that tells me is that a large percentage of Americans don’t yet realize what is going in their country with the Trump coup. Very sad.

![Some consumers are participating in a one-day economic blacko … ⌘ Read more

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Macron se mêle d’IA, le désarroi s’installe
Comme l’annonce Emmanuel Macron en fanfaronnant depuis son compte X, la formidable dynamique du Sommet de l’IA à Paris se poursuit, alors bon, c’est décidé, fini de rire, et en avant ! La France, fermement cornaquée par son extraordinaire président, se lance à l’assaut de l’Intelligence Artificielle et entraînera avec elle toute l’Europe dans une conquête […] ⌘ Read more

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Xid:Go 輕量級 ID 生成器
在分佈式系統中,唯一 ID(GUID)是必不可少的,常見的方案包括 UUID、MongoDB ObjectID 和 Twitter Snowflake。其中 UUID 雖然通用,但長度較長,而 Snowflake 需要額外的機器 / 數據中心配置。xid (github.com/rs/xid) 是一個基於 MongoDB ObjectID 算法的更輕量級、更高效的全局唯一 ID 生成庫,用於生成 ⌘ Read more

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golang 每日一庫之 concurrent-map
概述orcaman/concurrent-map/v2 是一個 Go 語言的高性能併發安全哈希表實現。它通過分片鎖(shard locking)策略減少鎖競爭,適用於高併發讀寫場景。與標準庫的 sync.Map 不同,該庫針對通用鍵值類型優化,提供更靈活的 API 和更高性能。項目地址GitHub 倉庫 : https://github.com/orcaman/concurrent-Read more

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Golang 程序卡死排查指南
我正在幫助某人設置我的 gokrazy/rsync 實現來同步 RPKI 數據(用於保護 BGP 路由基礎設施),當時我們發現,在特定調用方式下,我的 rsync 接收器會無限期掛起。這個問題很快就解決了,但在這個過程中,我意識到我應該記錄下這些年來我所欣賞的一些 Go 調試技巧!場景:Go 程序掛起———-如果你想跟着實驗,可以構建 gokrazy/rsync 的一個較舊版本,就在修 ⌘ Read more

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使用 Golang 編寫 2D 遊戲
Ebitengine 是一款基於 Go 語言的 2D 遊戲開發引擎,提供了簡單易用的 API 和跨平臺的支持,開發者可以通過它輕鬆構建遊戲項目。核心特性——-跨平臺支持 Ebitengine 支持多個平臺,包括 Windows、macOS、Linux,以及 WebAssembly(可運行於瀏覽器中)。這使得開發者可以在不同設備上運行同一個遊戲項目,而無需編寫額外的代碼。易用的 API ⌘ Read more

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golang 面試題:Goroutinue 什麼時候會被掛起?
今天我們來聊聊一個在 Go 面試中經常遇到的經典問題:Goroutine 什麼時候會被掛起?如果你是一個 Go 程序員,或者正在準備 Go 相關的面試,可能對這個問題有一些疑問。那麼,就讓我從一個資深程序員的角度,帶你們深入淺出地分析這個問題。💡什麼是 Goroutine?首先,咱們得搞清楚什麼是 Goroutine。簡而言之,Goroutine 就是 Go 中的輕量級線程。它讓我們可以用極低的成 ⌘ Read more

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Blender-Rendered Movie ‘Flow’ Wins Oscar for Best Animated Feature, Beating Pixar
It’s a feature-length film “rendered on a free and open-source software platform called Blender,” reports Reuters. And it just won the Oscar for best animated feature film, beating movies from major studios like Disney/Pixar and Dreamworks.

In January Blender.org called Flow “the manifestation of Blender’s mission, … ⌘ Read more

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Monero Tech meeting scheduled for 10 March 2025 1800 UTC
The next Monero Tech meeting is scheduled to take place on Monday, March 10 2025 at 18:00 UTC, in the #no-wallet-left-behind 1 IRC-Libera/Matrix channels.

This meeting’s chairperson will probably be r​brunner72 and the agenda should include various topics: Seraphis3/JAMTIS4, FCMPs5, and other long-term Monero development issues.

Logs for the previous meeting are available on Monero Observer6.

… ⌘ Read more

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selsta submits CCS proposal for 3 months of Monero dev work until end of May 2025
selsta1 has submitted a new CCS proposal2 to continue working part-time on Monero development for 3 more months, until the end of May 2025:

Work for 30 hours per week over the next 3 months (from March to end of May) at a rate of 50€ / hour. At 210€ / XMR this makes ~93 XMR.

Total funding: 93 XMR.

ETA: (end of) May 2025.

The dev will continue testing and reviewing PR’s, Mone … ⌘ Read more

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