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低功耗蓝牙(BLE) 和 经典蓝牙(SPP) 的区别 - App Inventor 2 中文网 - 清泛...
...BLE 和 SPP 怎么选？看应用场景：BLE适用于低功耗、轻量级的应用，例如穿戴设备、传感器网络等。而SPP适用于需要大容量数据传输的应用，例如音频设备、文件传输等。看功耗需求：如果你的应用对功耗有严格要求，需要长时间...
Change Active Menu Item on Page Scroll?
...ze: 14px;
color: black;
text-decoration: none;
line-height: 72px;
}
#home {
background-color: #286090;
height: 100vh;
width: 100%;
overflow: hidden;
}
#portfolio {
background: gray;
height: 100vh;
width: 100%;
}
#about {
background-color:...
Is there auto type inferring in Java?
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72
Might be Java 10 has what you (and I) want, through the var keyword.
var list = new ArrayList&...
What is LDAP used for?
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72
That's a rather large question.
LDAP is a protocol for accessing a directory. A directory cont...
General suggestions for debugging in R
... seen so far is:
http://www.biostat.jhsph.edu/%7Erpeng/docs/R-debug-tools.pdf
Anybody agree/disagree?
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Creating a CSS3 box-shadow on all sides but one
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72
In your sample create a div inside #content with this style
#content_over_shadow {
padding...
App Inventor 2 使用 MaterialIcons 图标字体，快捷展示专业图标 · App Inventor 2 中文网
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字体下载
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平时布局的话，如果要使用图标，一般需要去找 png 图片，且透明背景的。如果需要根据不同常见图标进行变色的话，就需要准备多张不同样式的图标，还要考虑图片的分辨率等等...
蓝牙通信接收的信息出现乱码？ - App应用开发 - 清泛IT社区，为创新赋能！
ESP32发送的是英文字符和数字,编译的蓝牙APP接收的是乱码
请问怎么解决以上问题?我们已经解决过类似问题，有一篇深入的乱码的原理及解决思路的文章：https://www.fun123.cn/reference/iot/bluetooth_codec.html
这里仅提供一下思路：
1、...
How to effectively work with multiple files in Vim
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72
To save and close a tab, you can also use ZZ instead of :wq (just like would normally save and close)
– Andreas Grech...
Scala actors: receive vs react
...ify Threads and Events][2] [2]: lamp.epfl.ch/~phaller/doc/haller07coord.pdf "Actors that Unify Threads and Events"
– Hexren
Jun 15 '10 at 14:53
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