Redis 数据类型全解 - Bitfield：99% 开发者没用过的位域操作，把内存再砍 80%（七）
BITFIELD 将连续比特视为小整数，取代多个 key 以节省内存（每合并一 key 省约 77B）。核心要点：溢出默认 WRAP 静默，需显式设 SAT/FAIL；原子但非事务，失败不回滚；布局即
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【Python量化多因子实战 03】多因子怎么合成？等权、IC 加权与回归加权实测
上篇我们用 IC、IR 和分层回测验证了市值、动量因子的有效性。但真实策略不会只用一个因子，而是把多个因子合成一个综合信号。合成方式不同，结果可能天差地别。 今天我们就来实测三种最常见的合成方法：等权
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同一个节点接力办几轮，流程才往下走：jeeflow 的后加签
审批办完了，节点为什么还没往下走？jeeflow 的后加签把「办结我这一手」和「再开同一节点新一轮」分开，节点要等接力链没人再点才流出。这份配置、这次真跑、三张图都在这篇里。
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设计模式与生活⑬：你坐几号线，谁来运营是另一回事
一到周五，小王的心情就会好一点。倒不是工作少了，而是想到这一天忙完，后面接着双休，心里就有盼头。 地铁上，他抬头看标识，发现一件平时没留意的事：5 号线、10 号线常见的是“北京地铁”，4 号线却写着
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GitHub 日榜趋势速报 | 2026-11-06
GitHub 日榜 2026-11-06：rea、craft-anything、auto-ontology 等 20 个开源项目 24 小时 Star 增速领先，每日更新的开源趋势速报。
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OpenAI 把「Critical」级挖洞模型交付出去了：GPT-6 Cyber 正式发布，越界率压到 1% 以下
11 月 5 日 OpenAI 正式发布网络安全特化模型 GPT-6 Cyber（GPT-6 Astra cyber 变体）
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科技爱好者周刊（第 418 期）：如果科技停止在21世纪初
这里记录每周值得分享的科技内容，周五发布。 本杂志 开源 ，欢迎 投稿 。另有 《谁在招人》 服务，发布程序员招聘信息。合作请 邮件联系 （yifeng.ruan@gmail.com）。 封面图 雄安新区正在建设的雄安大剧院，它的幕墙采用 3D 打印装饰板拼贴而成，是世界最大的 3D 打印建筑幕墙。（ via ） 如果…
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What a Claude Code plugin runs before you type: we read 2,688 public plugins
Before you install a Claude Code plugin, open three things in its folder: hooks/hooks.json , .mcp.json and bin/ . Look for SessionStart hooks, and for MCP serve…
Englishdev.to
How many tokens does an MCP server cost, and how to cut it
Originally published at taskhold.com . Short answer: Ask the server for tools/list and divide the JSON's length by four for an estimate, or paste it into Taskho…
Englishdev.to
Password Reset Email Timing — Evidence Chains for Student Report Workflows
TL;DR: A password reset email is delayed because several independently queued systems must accept, process, and deliver it. Treat the message as an asynchronous…
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Why 'Choose a unique column name.' Depends on Your Locale: The Data Studio's Column-Name Rule
I work on OnePassApps, so this is a measurement of our own build, read out of the code we ship. A reader of my post on duplicate CSV headers asked me a fair que…
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Foreman Personal Access Tokens Inherit Broad Default Roles
Foreman Personal Access Tokens Inherit Broad Default Roles Foreman administrators manage hosts, organizations, locations, and provisioning workflows. Personal a…
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Five ways real MCP clients broke our server
An agent once told one of our users that our MCP tools "cannot create projects" and asked them to make four projects by hand. The tools could. The sentence sayi…
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Feature Flag Practices in 2026: Implementing API Support for Pricing Incidents
Short answer: The best practice for implementing feature flags with API support is to version every pricing decision, record its normalized inputs and reason, a…
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PM #52 · Marissa Mayer: Guarding the Most Valuable Blank Page on Earth with 41 Shades of Blue and Building Silicon Valley's APM Factory
In the year 2000, every major internet portal—Yahoo, MSN, AOL, Excite—looked like a crowded tabloid newspaper: hundreds of links, stock tickers, horoscopes, wea…
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NVIDIA releases four open Cosmos 3 simulation models
NVIDIA published four new open-weight checkpoints for its Cosmos 3 model family, according to a post on Hugging Face dated November 5, 2026. All four are post-t…
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100 people bought a mug. The stock went from 100 to 99.
I wrote the most normal checkout code there is. Read the stock, check it isn't zero, write stock minus one. Then I sent 100 buy requests at it at the same time,…
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Isometric architecture diagrams as code: cloud diagrams in SVG from YAML
Originally published on Homingo Learn . An isometric architecture diagram that lives in the repo, diffs in review and redraws itself when the system changes. Th…
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I Built ScamPeek — A Free Windows Tool to Help People Spot Scam Warning Signs
Why I built ScamPeek A familiar company name, an urgent email, or a convincing image can make it easy to act before looking closely. I built ScamPeek to give Wi…
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美媒：中国月之暗面寻求租用欧洲英伟达先进晶片算力
中国人工智能（AI）初创企业月之暗面据报寻求通过欧洲的数据中心，租用美国晶片巨头英伟达先进AI晶片提供的运算能力，以绕过美国对华晶片出口管制的限制。 美国消费者新闻与商业频道（CNBC）星期四（11月5日）引述四名知情人士报道，月之暗面今年曾与多家在欧洲运营数据中心的新兴云服务供应商洽谈，寻求租用英伟达图形处理器（GP…
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