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界面很多按钮时，如何获取当前被点击的按钮的文本？ - App Inventor 2 中文...
Q：请教一个问题。假如我设计一个计算器，把0-9文本标到按键上，我用什么方法获取到每一个按下的值？辟如888，我要把这个值显示在标签里。
A：使用“任意按钮”的文本方法，用于获取当前被点击的按钮的文本，参数是当...
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...
编译失败！ Error: Your build failed due to an error in the AAPT stage,...
...n
[java] INFO: BUILD 1 FINISHED
aia包属性有问题，导致的原因未知，待探索。。。
目前最好的办法就是重新建立一个项目，组件和代码拷贝过来。
UCenter实现各系统通信的原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...体使用方法，你可以思考一下(本文后面也有介绍），有问题可以在此文结尾发表评论与我讨论。
运行后，查看源代码即可看到javascript；
这里要注意了：这些javascript的通知中是不包含用户登录的应用的。也就是说只"通知"用户...
How do you install Boost on MacOS?
...oes it take different people? Took me 48 mins with 2 GB RAM, not sure what CPU.
– Luke Stanley
Jun 20 '13 at 13:37
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scale Image in an UIButton to AspectFit?
...u should resize it before using it. Resizing it at run time will just lose CPU cycles.
This is the category I'm using to scale an image :
UIImage+Extra.h
@interface UIImage (Extras)
- (UIImage *)imageByScalingProportionallyToSize:(CGSize)targetSize;
@end;
UIImage+Extra.m
@implementation UIIm...
How to get start and end of day in Javascript?
..., usually about 0-2 ticks happen in between but it depends on how busy the cpu is so then it makes sense to do that if you are worried about 1 tick precision.
– Jason Sebring
Apr 22 '17 at 16:16
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Get mouse wheel events in jQuery?
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You don't need to divide by 120 it is useless waste of cpu
– venimus
Sep 30 '13 at 11:21
6
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Kill some processes by .exe file name
...esn't always mean code will run faster, but at least it will not waste the CPU time and will prevent the foreground thread from hanging while doing the operations. In any case, you need to think about what version you might want.
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