xenospectrum

UTe₂ Surface Keeps a Charge Pattern Above Its Superconducting Temperature, Pointing to a Pair Density Wave

Researchers observed charge modulations on the UTe₂ surface that persist above the superconducting transition temperature.
Hoodline

Lakeview's Sketchfest Chicago Returns With Luke Null in the 2026 Lineup

WGN-TV's Spotlight Chicago segment featured hosts Andy and Luke covering the festival, part of the show that airs weekdays ...

9 Little-Known Facts About Elvis’ Iconic Wardrobe

The Jumpsuit Anthology’ details the King of Rock and Roll’s style evolution. Discover little-known facts from the book about ...
BIOENGINEER

Deaf Brains Repurpose Sound Regions in Two Distinct Ways, Landmark Meta-Analysis Reveals

For decades, neuroscientists have marveled at one of the brain’s most striking tricks: when hearing is lost early in life, the auditory cortex does not fall silent. Instead, it is commandeered by t ...

Concentrix slumps 8%, its third loss in a row

Concentrix ( CNXC) shares retreated almost 8% on Friday, closing at $27.08 and falling $2.31 on the day. The ...
blog.csdn

答案跟我差 1，是我错了：一次 NULL 引发的 SQL 连环坑

本内容遵循CC 4.0 BY-SA版权协议 一道会员留存率练习题，我的结果比标准答案各多 1 个人。 一开始我怀疑答案错了——毕竟第三个数字完全对得上，只有前两个偏。 查到最后发现是我错了，而且 ...
blog.csdn

唯一索引与 NULL 值：PostgreSQL 主键约束与 NULLS NOT DISTINCT

本内容遵循CC 4.0 BY-SA版权协议 你有没有遇到过：给 email 列建了唯一索引，插入两条 email = NULL 的记录居然没有报错？ 这不是 bug，而是 PostgreSQL 的标准行为：唯一索引 / 唯一约束默认把不同的 ...