My August ‘24 in Review
And now another month, and soon the summer, has come to an end. Time to take a (this time very) brief look back at August. ⌘ Read more
My August ‘24 in Review
And now another month, and soon the summer, has come to an end. Time to take a (this time very) brief look back at August. ⌘ Read more
Instead of doing another Freeletics workout this week, I took advantage of the great weather outside and challenged myself with some uphill biking. It definitely pushed me to my limits, but it was worth it! And it worked, even though my bike only has eight internal gears. ⌘ Read more
How I stopped a malicious IP from hammering my Gitea instance
Some IP from the US seemed to crawl my Gitea instance (running on the same small VPS as my blog and other self-hosted services) non-stop, which caused high CPU usage. I already wondered why the terminal was lagging so much and why Gitea had such a high CPU usage. ⌘ Read more
Instead of doing another Freeletics workout this week, I took advantage of the great weather outside and challenged myself with some uphill biking. It definitely pushed me to my limits, but it was worth it! And it worked, even though my bike only has eight internal gears. ⌘ Read more
How I stopped a malicious IP from hammering my Gitea instance
Some IP from the US seemed to crawl my Gitea instance (running on the same small VPS as my blog and other self-hosted services) non-stop, which caused high CPU usage. I already wondered why the terminal was lagging so much and why Gitea had such a high CPU usage. ⌘ Read more
Master Oogway said it best🐢💬Yesterday is history, tomorrow is a mystery… ⌘ Read more
Chute de l’immobilier : dégâts d’une bulle
Un article de Henry Bonner Les Bourses autour du monde reprennent leur hausse, le marché a confiance dans les baisses de taux d’intérêt en vue par la Réserve fédérale. L’once d’or atteint un record à plus de 2.500 $. Le Bitcoin, de même, grimpe à 57.000 euros, il approche du record de 64.500 euros de […] ⌘ Read more
Top Stories: September 9 iPhone Event, iOS 18.1 Photos Clean Up Tool, and More
It’s a day earlier than rumors had suggested, but Apple’s big iPhone 16 event now has an official date: Monday, September 9. The “It’s Glowtime” tagline and glowing Apple logo theme are clear nods to the revamped Siri and new Apple Intelligence features that will undoubtedly be a major point of emphasis for the upcoming devices.
的球队将直接被淘汰，不会再有下放欧联杯的机会，而成绩排在第9-24名的球队(共16队)将进行主客场两回合的复活赛，胜者将与排在前8名的球队进行八分之一决赛(前8名的球队是种子队, 此轮不会相遇)，之后四分之一决赛到最终决赛的赛制与之前的欧冠基本一致。
新欧冠的基础奖金达到了1860万欧元(约1.48亿元人民币)，另外还有赢球奖金和新增的综合电视转播和球队战绩进行分配的“价值系数”奖金。如此诱 … ⌘ Read more
有哪些天生自带鲜味的食材？
菌子认第二，有食材敢称第一吗？
作为独立于动物与植物之外的另一种生物，真菌本身就有无穷的魅力，旺盛的生命力，与动植物错综复杂的关系，谜一般的外观和毒性，还有鲜美的滋味都让人欲罢不能。
云南省地方志编纂委员会办公室& 星球研究所 联合出品
在云南，你每年都有一次解锁打开世界上最大的“盲盒”的机会，近3000种奇珍异宝任你挑选。
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Can a sandworm really zoom like that in Dune? 😂 Had to set Colbert straight on the science ⌘ Read more
Public Beta 6 of MacOS Sequoia, iOS 18, iPadOS 18, Available Now
Apple has released MacOS Sequoia public beta 6, iOS 18 public beta 6, and iPadOS 18 public beta 6, to users enrolled in the public beta testing programs. The build numbers match the 8th developer betas of the same MacOS/iOS/iPadOS versions, which were just released as well. You’ll also find new betas for watchOS 11 … [Read More](https://osxdaily.com/2024/08/29/public-beta-6-of-macos-sequoia-ios-18-ipados-18- … ⌘ Read more
Best iPad Labor Day Deal? $199 for iPad 9th Gen!
Amazon is blowing out the iPad 9th gen at a huge 40% discount, taking the price to just $199, down from the $329 MSRP. The 9th gen iPad features an A13 Bionic chip, a 10.2″ LCD Retina display, 64GB of storage, wi-fi, a 12MP front camera, 8MP rear camera, great battery life, and Touch ID … Read More ⌘ Read more
Beta 3 of iOS 18.1, MacOS Sequoia 15.1, & iPadOS 18.1 Released with Apple Intelligence
The third beta versions of iOS 18.1, iPadOS 18.1, and MacOS Sequoia 15.1, have been released by Apple. Each of these versions of beta system software support Apple Intelligence (assuming the iPhone, iPad, or Mac supports it too, anyway), whereas the iOS/ipadOS 18.0 and macOS 15.0 versions do not. With the amount of betas that … [Read More](https://osxdaily.com/ … ⌘ Read more
OAuth Oh Yeah!
#oauth-oh-yeah-lrc .highlight { ⌘ Read more
Concerning the Stranded Astronauts ⌘ Read more
Kubernetes v1.31, Elli: an insider view!
Community post originally published on Medium by Matteo Bianchi Kubernetes has had a community-driven release lifecycle since forever now and I took part of it as Comms Shadow for v1.31, here’s how it went and what I have… ⌘ Read more
Apple Reportedly in Talks to Invest in ChatGPT Maker OpenAI
Apple is in talks to invest in OpenAI, according to The Wall Street Journal.
The report did not reveal how much money Apple would be investing in OpenAI if the plan moves forward, but it said this latest fundraising round would value the ChatGPT maker above $100 billion.
Apple prev … ⌘ Read more
I’m hearing the call, it’s time to switch back to landline phones
Preferring a text message is fine when the topic of conversation is which mall to hang out, but try telling a potential employer to send you a voice note instead of calling. ⌘ Read more
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Golang 實現帶過期時間的單機鎖
單機鎖要實現的目標：加鎖：會記錄一個鎖的擁有者 owner 解鎖：只有鎖的擁有者才能解鎖 如果有設定鎖的超時時間，到時間自動解鎖（避免忘記解鎖） 代碼很簡單，直接貼源碼。相信聰明的你一看就懂項目地址: https://github.com/gofish2020/expiredlockpackage expiredlockimport ( “bytes” “context” “fm ⌘ Read more
Go 語言函數的幕後：從符號表到棧幀
Go 函數是構建 Go 程序的基本模塊，我們每天都在使用它們，但你是否想過 Go 函數在編譯和運行時是如何工作的呢？本文將深入探討 Go 函數的內部機制，從符號表到棧幀，揭示 Go 函數運行的奧祕。函數的命名和符號表———在 Go 中，每個函數都有一個唯一的名稱，這是因爲 Go 編譯器會創建一個符號表來記錄所有變量和函數的名稱。當我們在代碼中定義一個函數時，它的名稱會被添加到符號表中。 ⌘ Read more
Apple Intelligence Not Device Region Locked to US in Latest Betas
Apple in the latest iOS 18.1, iPadOS 18.1, and macOS Sequoia 15.1 betas no longer requires users to set their device region to the United States, so now it’s just the US English language requirement that remains.
In previous betas, users not only had to change Siri’s lan … ⌘ Read more
一些数字国画博主质疑《黑神话：悟空》的游戏内壁画是AI生成的，实际上这些美术作品的创作难度有多大？
大家好，我是《黑神话：悟空》游戏中的壁画创作者之一，画师王宇，另外一位作者是王怡新老师。
我们一共绘制了5 幅游戏中的壁画作品，分别是《盘中谜》《乱蟠桃》《受心经》《真经有价》《梅山雪景》，在这里我分别截取一些局部，给大家汇报我们的工作成果。
谈到《黑神话：悟空》中的壁画，我们有很多创作经历和思考想与大家分享。
首先感谢游戏科学对传统文化的重视，让中国传统人物画有机会能够呈现在更多人的面前。任何的绘画都是在前人的基础上发展的，要说现实原型，可以说在很多古画中都能看到相似的影子。中国画讲究“传移摹写”，临摹前人作品就是学习中重要的一环。我们在创作过程中也参考了很多前人绘画。
在创作之前，主美杨奇老师 … ⌘ Read more
💩 Wizards ⌘ Read more
Star Wars meets Grand Theft Auto in stunning but patchy new heist
The Star Wars underworld is a great fit for Ubisoft’s open-world checklist formula, but this criminal syndicate caper has a few major flaws. ⌘ Read more
Dr. Andrew Mummery shows us why Interstellar’s time dilation near black holes is no sci-i stretch! 🌌 ⌘ Read more
MacOS Sequoia 15 Beta 8 Available to Download
Apple has released macOS Sequoia 15 beta 8 for users enrolled in the developer beta testing program. The same build matches macOS Sequoia public beta 6, which is also available. You will also find iOS 18 beta 8, iPadOS 18 beta 8, watchOS 11 beta 8, tvOS 18 beta 8, and visionOS 2 beta 8, … Read More ⌘ Read more
MS-C918S: A Compact, Fanless PC Featuring Intel’s Alder Lake-N N100 Processor
MS-C918S: A Compact, Fanless PC Featuring Intel’s Alder Lake-N N100 Processor ⌘ Read more
iOS 18 Beta 8 Available to Download
Apple has released iOS 18 beta 8 alongside iPadOS 18 beta 8 for users enrolled in the developer beta testing programs for Apple system software. The rumors that beta 7 could be the final build have proved false, as iOS 18 beta 8 and iPadOS 18 beta 8 are now available as well as macOS … Read More ⌘ Read more
Kuo: Next Year’s Upgrade to 12GB RAM Will Be Limited to iPhone 17 Pro Max
Just a day after a noted leaker on Chinese microblogging site Weibo suggested the iPhone 17 lineup in 2025 could see an upgrade to 12GB of RAM across the board, analyst Ming-Chi Kuo has claimed that the upgrade [will be limited to the iPhone 1 … ⌘ Read more
Homemade Rocket Fuel Would Be Cool to Try ⌘ Read more
Toradex Introduces Verdin EVK and Aquila SoM Based on i.MX95 SoC
Toradex has announced the launch of the Verdin Evaluation Kit and has released detailed specifications for the upcoming Aquila iMX95 System on Module. Both products are built around the powerful NXP i.MX 95 SoC, showcasing enhanced processing capabilities and advanced features tailored for sophisticated embedded computing applications. The Verdin i.MX 95 Evaluation Kit is a […] ⌘ Read more
2024 is the biggest global election year in history. What’s at stake for developers?
GitHub is considering what is at stake for our users and platform, how we can take responsible action to support free and fair elections, and how developers contribute to resilient democratic processes.
The post [2024 is the biggest global election year in history. What’s at stake for developers?](https://github.blog/news-insights/policy-news- … ⌘ Read more
DietPi August 2024 News (Version 9.7)
The August 2024 release of DietPi v9.7 brings a series of enhancements, bug fixes, and a major kernel upgrade for devices utilizing the RK3588 SoC. This minor update focuses on improving system stability and user experience, particularly for ODROID and NanoPi devices. DietPi: DietPi is a lightweight and optimized operating system based on Linux, tailored […] ⌘ Read more
A guide to modern Kubernetes network policies
Member post originally published on Bouyant’s blog by Scott Rigby In the world of Kubernetes, network policies are essential for controlling traffic within your cluster. But what are they really? And why, when and how should you implement… ⌘ Read more
LitmusChaos audit complete!
Cross-posted from the OSTIF blog OSTIF is proud to share the results of our security audit of LitmusChaos. LitmusChaos is an open source chaos engineering platform for a multitude of cloud platforms. With the help of 7ASecurity and the Cloud Native Computing Foundation,… ⌘ Read more
敢问路在何方——浅谈黑神话悟空的关卡设计
经过50小时的艰苦战斗与探索，终于在发售一周内完成了一周目的全部战斗和地图探索。我想现在可以暂时歇息片刻，来聊聊这款作品的关卡设计了。
（本文章不可避免地包含剧透，我会尽量把影响降到最低）
当我们提及关卡这个概念，一般是包括了关卡设计（LD）、关卡美术（LA）以及关卡叙事（ES）的结合。毋庸置疑，黑神话悟空的关卡美术得到了充分展示的舞台，以及惊艳的效果。虽然有些场合的光照不够优秀，但难以撼动其最终呈现出的高度。在中国传统文化的千年积淀与家喻户晓的中国神话体系的基础上，能够以游戏这样的载体让千万级的玩家一睹文化盛宴，黑神话悟空已是一座丰碑。
关卡美术和关卡叙事还有很多值得聊的，不过这次我们专心来聊关卡设计的部分。
整体来说，黑神话悟空在关卡设计方面是不及格的。可以肯定的是，即便有着篝火和部分单向门的设定[1]，这并不是魂类的箱庭关卡，在结构上倒是会更像战神的关卡。但偏偏内容推进是以土地庙这个类篝火的设计为单位的，这一点又有一些魂系关卡的影子。只能说在大的架构上，并没有取到两家之长 … ⌘ Read more
《黑神话：悟空》中的隐藏剧情和彩蛋，你发现了多少？
四渎龙神故事：四龙惧祸隐，天命又重来《旧唐书丨礼仪志四》中有云“河渎封灵源公，济渎封清源公，江渎封广源公，淮渎封长源公；而《西游记》第四十三回 黑河妖孽擒僧去 西洋龙子捉鼍回中曾经交代“泾河龙王”生有九子：分别为龙第一个小黄龙，见居淮渎；第二个小骊龙，见住济渎；第三个青背龙，占了江渎；第四个赤髯龙，镇守河渎；第五个徒劳龙，与佛祖司钟；第六个稳兽龙，与神官镇脊；第七个敬仲龙，与玉帝守擎天华表；第八个蜃龙，在大家兄处砥据太岳。此乃第九个鼍龙，因年幼无甚执事，自旧年才着他居黑水河养性，待成名，别迁调用，谁知他不遵吾旨，冲撞大圣也。
而当时的黑水河小鼍龙已经是取经过去式了，而剩下的四渎就是“泾河老龙”的四个儿子。也就是我们这几关中的隐藏boss。 原故事应当如下：
泾河龙王死后，四龙子惴惴不安，西行之后，更添新愁，所以四个龙子又跑到袁守诚那里算卦，先是潜龙勿用卦，所以他们上表天庭，请求辞掉四渎龙神任命，但是天庭不 … ⌘ Read more
iPhone Driver’s Licenses in Wallet App Rolling Out in Seventh U.S. State
As noted by 9to5Mac, Apple recently started rolling out the ability for Hawaii residents to add a digital version of their driver’s license or state ID to the Wallet app on the iPhone and Apple Watch, providing a convenient and contactless way to display proof of identity or age at select airports, businesses, and venues.
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Qualcomm RB3 Gen 2 Lite Vision Kit: Tailored for Enhanced AI Processing and Computer Vision
The newly launched Qualcomm RB3 Gen 2 Lite Vision Kit, powered by the Qualcomm QCS5430 processor, is engineered for high-performance computing. It supports a diverse array of IoT applications, from robotics and industrial handhelds to retail solutions, cameras, and drones. The kit is available in four feature packs, utilizing a 6 nm technology node. Feature […] ⌘ Read more
The Second Bruz… He’s Coming ⌘ Read more
如何评价《黑神话：悟空》第五回「日落红尘」？在难度、剧情、地图和战斗设计方面有哪些值得聊聊？
接着来说背景故事。
第五章的故事是最容易理解的，同时也蕴含了相当多支离破碎的线索。说最容易理解，是因为在过场CG里，补完了大圣之死的情节，红孩儿对父亲的背叛也有比较清晰的展示，牛魔王颠沛流离的一生也全部展现给观众。
说支离破碎的线索，就是在这一系列故事背后，隐藏的一些情节，比如。
夜叉国灭国案，谁做的，为什么？
罗刹国同时被灭，过程和结果是什么，罗刹女为何能逃出来？
老君保住红孩儿是为什么，为何托胎于罗刹女？
佛门在围杀大圣事件里，扮演了什么角色？
我来把这些藏在文本里的事件做一下梳理，和大家共同探讨。
一、关于夜叉国覆灭的种种这一事件在大多数背景图鉴里都有描述，先来看夜叉王的
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hard to believe black holes went from “forbidden topic” to “frontier of space science!” 🚀 ⌘ Read more
iOS 18 is Compatible with These iPhone Models
iOS 18 for iPhone includes a variety of new features that many users are excited about, from all new Dark Mode icons and widgets, to color hued icons/widgets, customizable Control Center, Apple Intelligence AI features that will write emails and texts for you and summarize data or generate images, a confusing Photos redesign, Game Mode … Read More ⌘ Read more
The Snake-Like Robots Searching for Life on Saturn’s Moon ⌘ Read more
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Announcing 500 Kubestronauts
CNCF is pleased to announce that since launching the Kubestronauts program at KubeCon 2024 in Paris, over 500 Kubestronauts have joined the program. Each of these 500+ have active certifications in all of CNCF’s Kubernetes certifications: KCNA, KCSA,… ⌘ Read more
My journey as a Kubernetes release team shadow: insights and experiences
Community post originally published on Medium by Maryam Tavakkoli Kubernetes has become the de facto standard for container orchestration in the cloud-native ecosystem, powering some of the most critical infrastructures worldwide. The Kubernetes release process, which ensures the… ⌘ Read more
GitHub Enterprise: The best migration path from AWS CodeCommit
AWS CodeCommit is discontinuing new customer access and will no longer introduce new features. Learn how to migrate to GitHub Enterprise and why it’s the best option for you.
The post GitHub Enterprise: The best migration path from AWS CodeCommit appeared first on [The GitHub Blog](htt … ⌘ Read more
How to create a Kubernetes cluster in a Local Zone through Managed Rancher Service
Member post originally published on OVH Cloud’s blog by Aurélie Vache Container orchestration has become a cornerstone of modern application deployment, offering scalability, flexibility, and resource efficiency. It has become common to have to manage several Kubernetes clusters,… ⌘ Read more
Announcing Envoy Proxy 1.31.0 and Envoy Gateway 1.1
Project post by Jimmy Song, Erica Hughberg, Alyssa Wilk, Guy Daich Introduction We are thrilled to announce the new releases of the Envoy project, Envoy Proxy 1.31.0 and the Envoy Gateway 1.1.0, now supporting version 1.1 of the… ⌘ Read more
Kubestronaut in Orbit: Fangel Colón
Get to know Fangel This week’s Kubestronaut in Orbit, Fangel Emilio Colón Navarro, lives in the Dominican Republic and is an SRE at Banco BHD. He’s been working with CNCF technologies since 2020. If you’d like to be… ⌘ Read more
Streamlining Local Development with Dev Containers and Testcontainers Cloud
Learn how to run Testcontainers-based tests or services from within dev containers and how to leverage Testcontainers Cloud securely and efficiently to make interacting with Docker even easier. ⌘ Read more
《黑神话：悟空》都有哪些隐藏道具、Boss、剧情、地图？
来做个我所知的，全部的隐藏地图+boss+剧情梳理
目前一周目通关，刚开二周目，成就70/81。
另外，我会使用游民星空制作的互动地图进行截图，感兴趣的也可以直接去看。
黑神话悟空全收集互动地图_提供黑悟空全土地庙、妖王BOSS等点位信息
一、第一章·黑风山 1、隐藏地图黑风山有一张隐藏地图：隐·观音禅院。
开启方式是敲响地图上的三口钟，分别在“广智”、“广谋”、“白衣秀士”三个boss附近，具体如图。
 以其輕量級、高效的特性而聞名。但協程的上下文切換真的像想象中那樣輕量級嗎？它在性能上究竟有多大的優勢？本文將深入探討 Go 協程的上下文切換機制，分析其效率和潛在的代價。協程上下文切換的效率———-與傳統的線程相比，Go 協程的上下文切換髮生在用戶空間，避免了昂貴的系統調用，因此切換速度更快。實驗表明，Go 協程的上下文切換平均 ⌘ Read more
Amazon Introduces Massive $770 Discount on Samsung’s 27-Inch ViewFinity S9 5K Monitor
Samsung’s 27-inch ViewFinity S9 5K Monitor has hit a new record low price on Amazon this week, available for $830.10, down from $1,599.99. You can have the monitor delivered by August 29 if you’re a Prime member, or by September 2 for everyone else.
: Media The rest is cooling off on the bench outside.
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@mckinley@twtxt.net Wow, I was not aware, that there are different kinds of blackberries. But of course there are. Everything has all sorts of different species, why would it be different with these tasty guys? :-)
I just read up on them and – surprise, surprise – it turns out, the Himalayans are not native to most of Europe either. Doh! It gets even more interesting, their origin is unclear. Maybe Armenia and the Caucasus region. Fascinating!
Optimizing AI Application Development with Docker Desktop and NVIDIA AI Workbench
Learn about Docker’s collaboration with NVIDIA, which enhances your ability to leverage Docker containers and improves your overall experience of building and developing AI/ML applications. ⌘ Read more
MacOS Sequoia is Compatible with These Macs
MacOS Sequoia, versioned as macOS 15, is an exciting new operating system for Mac users. MacOS Sequoia includes a variety of intriguing new features that could make you even more productive while using your Mac, including iPhone Mirroring, new window tiling features, AI enhancements to Safari and Mail, a dedicated Passwords app, new screen savers … Read More ⌘ Read more
Building a translation agent on LlamaEdge
Member post originally published on Second State’s blog Prof. Andrew Ng’s agentic translation is a great demonstration on how to coordinate multiple LLM “agents” to work on a single task. It allows multiple smaller LLMs (like Llama-3 or Gemma-2) to… ⌘ Read more
How to Fix ESLint Violations with AI Assistance
Learn how to use GenAI to fix ESLint violations, without installing Node. ⌘ Read more
Beginner’s guide to GitHub: Merging a pull request
As part of the GitHub for Beginners guide, learn how to merge pull requests. This will enable you to resolve conflicts when they arise.
The post Beginner’s guide to GitHub: Merging a pull request appeared first on The GitHub Blog. ⌘ Read more
抑郁症少年说「当面对老师的批评，没有人站在我的身后，非常痛苦」，与孩子「站在一起」这件事有多重要？
谢邀 @庄胜春 Hi 大家好，我就是问题描述中被庄老师提起的皓然。看到了很多朋友能够与四年前的我共情，有一种被看见的感动。当时的我，只觉得自己一直处在一种被“全世界抛弃”的泥潭里。你们不会知道，“被理解”对于生病时的我而言，有多么奢侈。现在我已经基本康复了，希望我的经历，能给更多被抑郁症困扰的朋友们一些帮助。
我第一次发病是2020年9月1日的早上，前一天我们刚刚考完开学考（其实考得还不错），早上到学校还一切正常。但到了第二节课后，我一坐到座位上的时候就开始感觉很别扭，浑身上下都非常不舒服，10分钟还是一刻钟之后（忘了记不清楚了，也许可能更短）我就开始呼吸不畅，后来越来越难受，怎么都坐不住。那种感觉该怎么描述呢？可以说是直到今天，回想起来是还会不自觉地窒息，就像是把自己揉 … ⌘ Read more
When to Expect the iPhone SE 4 to Launch
Over two and a half years have passed since Apple released the current iPhone SE, so the device is due for an update. Below, we recap the latest rumors about the next-generation iPhone SE, including potential features and launch timing.
The latest word [comes from Bloomberg’s Mark Gurman](https://www.bloomberg.com/news/newsletters/2024-08-25/apple-plans-tabletop-robot-whi … ⌘ Read more
目前来看，智能家居的「理想态」是什么？中国品牌在智能家居上有了哪些突破和可能性？
能力有限，但很想来回答问题的前半部分。
1、让用户在0操作甚至0感知下，默默独立完成生活中的家居任务（一个案例为扫地机）。
2、让用户以最少的交互，最简单的方式，解决日常必要的生活行为（一个案例为智能锁）。
3、智能终端应具备思维能力，而不仅仅是等待主人的任务，唯命是从。
过去曾作为开发者参与过全套智能家居产品的硬件设计，小到86面板，大到中控主机，因此也参加过蛮多物联网和智能家居展会；之前的2-3年，我深入写过，过去10多年的智能家居主要解决了通信物联问题，虽然不再需要去机器上按下按钮或者通过遥控去操作，但本质上 智能家居的“智能”仅体现在了“远程控制+联动逻辑”，还是一个遥控器。
用家居中的 “垃圾桶” 作为案例来讨论现在的智能垃圾桶，它有哪些智能化？
[47°09′22″S, 126°43′31″W] Raw reading: 0x66CC27F1, offset +/-5
Plumbers Confess Their SINS ⌘ Read more
全合成的意义是什么？
最近写了一篇长文《 关于维生素B12全合成的详细解析》，就来这里投一下。
相信看完之后，你就明白全合成的意义了。
---———
谨以此文，纪念维生素B12被人类发现90周年。
注：如果本文中有任何错误或疏漏，请务必联系作者或在评论中写出。不胜感谢！
1.前情提要维生素B12（
，又名 钴胺素，缩写 ），这种物质（其实严格来说是一类物质）如今早已家喻户晓。作为唯一一种 含有金属元素的维生素，其中心的 
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