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【解决】Error 701: Unable to load xxx.xxx - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...Unable to load xxx.xxx
比如：
【解决】：连接菜单 -> 重置连接。然后再重新连接一次AI伴侣进行测试，就能解决。
【原理】：在AI伴侣已经连接好之后，访问才刚上传的某资源，就会报这个错误。因为资源不会自动同步到AI...
AI2Utils 拓展：一些常用的小功能集合 · App Inventor 2 中文网
...果是则返回’真’，否则返回’假’。
ResetFirstRun()
重置App的运行状态为第一次运行。
SystemSettings()
跳转到系统设置界面
WirelessSettings()
跳转到无线和网络设置界面
您的改进建议 联...
授权页面加载不出来？ - App Inventor 2 离线版 - 清泛IT社区，为创新赋能！
授权页面加载不出来，空白：
经过远程查看，ctrl + f12，保存原因是通过浏览器代理导致访问失败。
重置 host 解决，网络通了就 ok 了。可以借助 ai 辅助调查代理保存原因及解决方法。
“date(): It is not safe to rely on the system's timezone settings…”
...on the production. There is no error. I have installed the apache, php and MySQL manually on window 10. PHP, MySQL and Apache work. But, this project is giving error.
– Hafiz Shehbaz Ali
Dec 29 '15 at 17:18
...
How to get the insert ID in JDBC?
... I am correct, Oracle JDBC driver is still somewhat troublesome with this. MySQL and DB2 already supported it for ages. PostgreSQL started to support it not long ago. I can't comment about MSSQL as I've never used it.
For Oracle, you can invoke a CallableStatement with a RETURNING clause or a SELEC...
记录一些Mac OS X技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的用户即可。
访问时使用本机的ip，端口为22，用户名和密码为该用户的Mac OS X的登录密码。
关闭鼠标加速度
Mac OS X的鼠标加速度很诡异，缓慢移动鼠标时几乎很难移动。
下载Mouse Acceleration Preference Pane这个配置文件，安装后...
PHP server on local machine?
...ed for a PHP Server and this simply is a PHP Server. If you want to run a MYSQL Server or PostGres Server then that would be another question and you can configure your PHP Application to use said server. Also for quick development purposes a SQLITE DB should do.
– GardenRout...
What is the best place for storing uploaded images, SQL database or disk file system? [closed]
...
I have recently created a PHP/MySQL app which stores PDFs/Word files in a MySQL table (as big as 40MB per file so far).
Pros:
Uploaded files are replicated to backup server along with everything else, no separate backup strategy is needed (peace of min...
How to send an email with Python?
...se user:
If you use 126/163, 网易邮箱, you need to set"客户端授权密码", like below:
ref: https://stackoverflow.com/a/41470149/2803344
https://docs.python.org/3/library/email.examples.html#email-examples
share
...
Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...导致加载和执行缓慢，所以我们就来看看Lint这个工具是如何发现优化这些问题的（当然了，Lint实际的功能是非常强大的，我们开发中也是经常使用它来发现一些问题的，这里主要有点针对UI性能的说明了，其他的雷同）。
在And...