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【教学】AppInventor2人工智能应用：Personal Audio Classifier 自行训练神...
繁体中文原文：https://blog.cavedu.com/2020/04/ ... nalaudioclassifier/
AI 行動化（AI on mobile）呼應了人類生活早已離不開手機的事實，另一方面，手機處理晶片速度一日千里，今天跑不動的東西，很快就不再是問題。對於 AI 這個議題，...
求助！关于拓展模块NotificationStyle的demo运行时报错的问题 - App Invent...
我使用的是demo程序进行测试，拓展程序链接：
https://www.fun123.cn/reference/extensions/NotificationStyle.html
结果无论点什么按键都会报错：
edu.mit.appinventor.aicompanion3: Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABLE or FLAG_MUTABLE be...
Async Image Loader Extension：异步图像加载器扩展 - App Inventor 2 拓展...
[size=15.008px][color=var(--tertiary)][color=var(--secondary)][color=var(--secondary-high)]512×512 8.95 KB
AsyncImage
An extension for MIT App Inventor 2.
Simple asynchronous image loader extension to load image asynchronously in an image or arrangement component with circular image. Thi...
SQLite 拓展查询数据表，带条件过滤 - App应用开发 - 清泛IT社区，为创新赋能！
SQLite 拓展导入，新建库、表等详见文档：https://www.fun123.cn/reference/extensions/SQLite.html
本文详细介绍一下，SQLite 的查询功能，以及带where条件的查询功能。
空表的情况下，先插入6条数据：
引入 TableView 拓展，用户展示查...
What is the equivalent of “!=” in Excel VBA?
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Fun fact to back this answer: Visual Basic and Pascal languages store strings with their length in the beginning and the content itself right after that. C-based and Java languages, on the other hand, do not store the length and have the '\0' (null) terminator to sign...
Library not loaded: libmysqlclient.16.dylib error when trying to run 'rails server' on OS X 10.6 wit
...never able to get any of these answers to work for me, but this is the command that I used to make it work for me. This way you don't need to use install_name_tool every time you update your mysql
sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib
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Calculating Pearson correlation and significance in Python
I am looking for a function that takes as input two lists, and returns the Pearson correlation , and the significance of the correlation.
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How to generate a core dump in Linux on a segmentation fault?
...s on what shell you are using. If you are using bash, then the ulimit command controls several settings relating to program execution, such as whether you should dump core. If you type
ulimit -c unlimited
then that will tell bash that its programs can dump cores of any size. You can specify a ...
Twitter Bootstrap: Text in navbar
...d be able to "Wrap strings of text in a <p> tag for proper leading and color." When I do this, at any level under navbar it simply doesn't inherit any of the navbar classes. Wrapping the string in <a> tags renders it but it shouldn't be an anchor.
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Git stash: “Cannot apply to a dirty working tree, please stage your changes”
I am trying to apply changes I stashed earlier with git stash pop and get the message:
11 Answers
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