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按键可见性的延时设置 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
大家好，咨询请教一个问题， APP上面的 按键 当按下一个按键 设置2号按键可见性为假 （这个功能可以实现），但 在设定时间内，比如一个小时，或者更长时间后， 让原先的2号按键的可见性从原来的假 恢复成真
用“计时...
请问输入文件要往哪放? - App应用开发 - 清泛IT社区，为创新赋能！
...看文件）理论上，读写方法都是这样写路径，如果运行有问题，请贴出具体的报错截图。
2、更强大的文件管理功能，可以使用FileTools拓展：https://www.fun123.cn/reference/components/storage.html#FileTools
3、如果仅仅是为了App退出保存一些...
文本朗读器BUG - App应用开发 - 清泛IT社区，为创新赋能！
是不是文本朗读器有BUG,使用AI助手连接，使用是正常的，打包为APK就没有声音了{:8_364:}目前已知，miui系统的小米手机是有这个问题的，其他手机正常，原因目前未知。
https://bbs.tsingfun.com/forum.p ... id=2097&fromuid=810
Call to ‘set-and-coerce-property!’ has too few arguments (3; must be...
...y!’ has too few arguments (3; must be 4)
原因是因为代码块有问题/报错，有空的地方没有填值，比如这种：
参考：https://community.appinventor.mi ... 3-must-be-4/20690/4
又学习到了新bug的解决方法，{:8_381:}
想试着做一个间歇运动的计时器 - App应用开发 - 清泛IT社区，为创新赋能！
... 2025-05-08 23:37 编辑
用deepseek生成了代码 使用AI2 遇到了问题
to formatTime seconds
set minutes to (seconds / 60)
set secs to (seconds - (minutes * 60))
return join strings( padZero(minutes), ":", padZero(secs) )
to padZero num
...
Modbus硬件控制01——什么是Modbus - 创客硬件开发 - 清泛IT社区，为创新赋能！
...再回复；如果不一样，说明你这个数据在传输的时候出了问题，数据不对的，所以就抛弃了。
2、实战只谈理论大家可能不太明白，下面举一个例子。Modbus-RTU协议一般我们用的最多功能码就是03和06，大部分都是用modbus来查询传...
What is base 64 encoding used for?
...
In a langange like php, were will binary data come from. We almost always work with string data which is text.
– Cholthi Paul Ttiopic
Sep 5 '16 at 14:02
...
Apache shows PHP code instead of executing it
I have recently been trying to install PHP and Apache on my computer. After many hours, they're installed. I have modified the httpd.conf and php.ini files like everyone says. I then created a simple PHP script:
...
Composer Warning: openssl extension is missing. How to enable in WAMP
...
WAMP uses different php.ini files in the CLI and for Apache. when you enable php_openssl through the WAMP UI, you enable it for Apache, not for the CLI.
You need to modify C:\wamp\bin\php\php-5.4.3\php.ini to enable it for the CLI.
...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
...h a secure mechanism and both processes have to explicitly attach to it in order to use it.
The privileged mode is usually referred to as 'kernel' mode because the kernel is executed by the CPU running in this mode. In order to switch to kernel mode you have to issue a specific instruction (often ...