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Dec 13, 2023 Replied to a topic by libasten 问与答 你们手机 256G 都不够用的，主要存放的是什么？ |
极简主义没几个 app ，用的 64g 毫无压力
Sep 27, 2023 Replied to a topic by lance6716 Podcast 谷歌播客 app 即将停止服务，有什么推荐的 app 吗 |
Google 像 Spotify 一样把 podcast 合并到 YouTube Music 了
Sep 1, 2023 Replied to a topic by mmddisa iCloud iCloud Windows 版更新主板后无法登陆 |
设置 -> Apps-> Installed Apps -> iCloud -> Advanced Options -> Reset 就可以了
Aug 29, 2023 Replied to a topic by leeolsen 分享发现 30 岁从大厂裸辞全家搬往英国的故事（结） |
羡慕能住酋长球场附近
Mar 30, 2023 Replied to a topic by serafin iPhone iOS 如何添加网页到主屏幕可以全屏打开 |
head 里加上
<meta name="apple-mobile-web-app-status-bar-style" cOntent="black-translucent">
<link rel="manifest" href="manifest.json">
manifest.json
{
"name": "App",
"short_name": "app",
"start_url": "/",
"display": "fullscreen",
"icons": [
{
"src": "/icons/icon.png",
"sizes": "72x72",
"type": "image/png"
}
]
}
<meta name="apple-mobile-web-app-status-bar-style" cOntent="black-translucent">
<link rel="manifest" href="manifest.json">
manifest.json
{
"name": "App",
"short_name": "app",
"start_url": "/",
"display": "fullscreen",
"icons": [
{
"src": "/icons/icon.png",
"sizes": "72x72",
"type": "image/png"
}
]
}
Mar 29, 2022 Replied to a topic by maloneleo88 Python 如何用 random 随机选择 0-2 个元素？ |
without repetition: random.sample(lst, 2)
with repetition: random.choices(lst, k=2)
with repetition: random.choices(lst, k=2)
Mar 18, 2022 Replied to a topic by zxCoder 问与答 问个数学问题 关于机器学习 SVM |
svm 是为了找最佳超平面需要找到到最大边界，那么需要找到 min_w ，这里用到了二次规划于是要求 min_L ，这里又用到了拉格朗日乘数法引入了 a 目的是将 min_L(w,b)问题转换为 maxL(a)问题，因为这样可以得到 x 的内积可以使用核方法解决非线性问题。
Jan 28, 2022 Replied to a topic by curiousjude 生活 不堪回首的 2020，曙光重现的 2021 |
COYG
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