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Beating the compiler at signed 32-bit division
Dividing integers is slow on our processors. A 32-bit division costs:
Defrag the UK Economy
const FLAG_BIG = FLAG.replace('width="12" height="11"', 'width="16" height="15"');
22 分钟 · Hacker News 最新
Harvard Clones Its Faculty
David Shrier has not always controlled his image. When this university lecturer left the institution where he had taught, the school continued using his face to promote an online entrepreneurship course with videos he h…
16 分钟 · Hacker News 最新LATEST STORIES
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What is Blocus how have the calls that worry merchants and police reached Spain精选导读
Blocus has become one of the main concerns of the Spanish security forces after the serious disturbances recorded last October 24 in Barcelona and the spread of new calls for this Saturday, October 31, coinciding with H…
2027 款领克 08 EM-P 官图公布，11 月 5 日登场精选导读
IT之家 10 月 31 日消息，领克汽车官方发布 2027 款领克 08EM-P 更多官图，新车将于 11 月 5 日登场。 根据官方官图，2027 款领克 08 EM-P 提供亮眼橙红色车身，搭配撞色黑顶。新车延续领克标志性分体大灯，狭长锐利的日行灯搭配贯穿灯带，采用封闭式前脸布局。 车身侧面线条舒展，搭载多辐低风阻轮毂，车门保留领克经典竖向装饰；车顶配备激光雷达与全景天幕，溜背造型搭配一体式扰流板，运动氛围突出。车尾依旧配备贯穿…
I helped fix sleep-wake hangs on Linux with AMD GPUs (2025)精选导读
I dual-boot my desktop between Windows and Linux. Over the past few years, Linux would often crash when I tried to sleep my computer with high RAM usage. Upon waking it would show a black screen with moving cursor, or e…
Flink 负责时间，Iceberg 负责记忆：Pinterest 如何最终确认数据分区？精选导读
Pinterest 为下一代数据库摄取框架引入了基于事件时间的分区最终确认机制，让下游任务能够判断流式数据何时已经足够完整，可以安全消费。该方案使用 Apache Flink 衡量事件时间的推进情况，并通过 Apache Iceberg 元数据发布一个不会回退的最终确认水位线，解决持续变更数据捕获（CDC）摄取中的一个难题：即使某个分区对应的自然时间区间已经结束，数据仍可能延迟到达。
Show HN: A language model that lives in a boot sector精选导读
The MBR is 512 bytes of hand written asm. It loads an 11.5 KB int8 model
How to free your email from the clutches of Google or Microsoft精选导读
暂无摘要
Why Did Meta Suspend a US Senate Candidate's Instagram in the Middle of a Rally?精选导读
“Hey @Meta 👋We are currently hosting a get-out-the-vote rally in Osceola County, home to a large Puerto Rican community, and our #LatinosConAngie @instagram page was suddenly taken down while we were actively posting c…
Why Did Meta Suspend a US Senate Candidate's Instagram in the Middle of a Rally?精选导读
“Hey @Meta 👋We are currently hosting a get-out-the-vote rally in Osceola County, home to a large Puerto Rican community, and our #LatinosConAngie @instagram page was suddenly taken down while we were actively posting c…
159 → 88 元：只有半个女生手掌大小，酷态科 10 号超级电能棒 Mini 京东新低精选导读
酷态科 10 号超级电能棒 Mini 2025 年 3 月末开售，Mini 体积仅重约 217g，55W MAX 双向充电。 自带一根 C2C 数据线，官方售价 159 元。 今日京东仅需 88 元即可入手，再降新低： - PLUS 会员 1 积分兑换 111-11 元券：点此兑换 - 配件 8 折券：点此领券（点击一键领券即可） 京东酷态科 10 号超级电能棒 mini10000 毫安时补贴后 88 元直达链接京东 11.11 红包…