Saving lives with AI health coaching

Five AI Models Said the Idea Was Real. A €1,879 Kickstarter Said Otherwise.

Last week a video put a phrase in my head: element cards . A chemistry card game — draw element cards, build molecules,

One line at 11 p.m., a test link by Wednesday morning

Friday, 11 p.m. Someone types one line on a phone and sends it: "I want to build a car-wash booking app. I only have the

How to Use AI for Notes on iPhone in 2026

Retraining on a schedule is easy. Promoting on a schedule is how models quietly get worse

A lot of teams get to the same place with their first production model: a cron job retrains it every week, and every wee

三个公式，让 Excel 自己算出月度汇总：SUMIFS、COUNTIFS、SUMIF 实测手记

做上面三张表的时候，真正干活的就三个公式。下面是我实测时用的数据和结果，照着抄就能用在自己的表上。 一、SUMIFS：按月份和类型求和（记账表） 记账表的月度汇总是 SUMIFS：金额列求和，条件是日期在当月内、类型等于要算的那一项。 测试

排班表实测：同一周里，连班、超时、节假日三处是怎么被抓出来的

排班最容易错的不是把班排上去，而是排完之后没人发现问题：同一个人一天早晚连轴转、一周工时悄悄超了、节假日当天还按平时排班。下面是我实测一整周排班时抓出来的三处，用的都是同一张表、同一组测试数据。 测试场景是 2026 年 11 月 16 日