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扒了一下源码，ESP8285接入App Inventor有4种玩法，第3种最香 - AI 助手 - ...
...置组件：
- Web组件 — HTTP GET/POST，支持JSON解析
- BluetoothClient — 蓝牙SPP串口
- Serial — USB串口（基于Physicaloid库，代码里直接写了支持Arduino/ESP8266）
fun123自研扩展：
- ClientSocketAI2Ext — TCP Socket客户端，异步连接+后台数据监...
ESP8285接入App Inventor 2深度调研：4种连接方案+是否需要开发拓展 - 创客...
...官方)
- Web组件 - HTTP GET/POST请求，支持JSON解析
- BluetoothClient - 蓝牙SPP串口通信
- Serial - USB串口(基于Physicaloid库，支持Arduino)
2. fun123自研拓展
- ClientSocketAI2Ext - TCP Socket客户端，支持异步连接、文本/二进制收发、后台数据...
undefined reference to boost::system::system_category() when compiling
... answered Mar 15 '12 at 16:32
hc_hc_
2,49811 gold badge1414 silver badges1919 bronze badges
...
What to gitignore from the .idea folder?
...id Studio and Webstorm
# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
# User-specific stuff:
.idea/workspace.xml
.idea/tasks.xml
.idea/dictionaries
.idea/vcs.xml
.idea/jsLibraryMappings.xml
# Sensitive or high-churn files:
.idea/dataSources.ids
.idea/dataSources.xm...
Change text color based on brightness of the covered background area?
...
In es6 you can do this with: const getContrastYIQ = hc => { const [r, g, b] = [0, 2, 4].map( p => parseInt( hc.substr( p, 2 ), 16 ) ); return ((r * 299) + (g * 587) + (b * 114)) / 1000 >= 128; }
– Centril
Aug 22 '15 at 16:55
...
Hidden features of Windows batch files
...m32\ntbackup.exe ^
backup ^
/V:yes ^
/R:no ^
/RS:no ^
/HC:off ^
/M normal ^
/L:s ^
@daily.bks ^
/F daily.bkf
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edited Aug 7 '10 at 18:...
Sending images using Http Post
...this without MultipartEntity? I REALLY don't want to import all of Apache HC just for those 4 classes. :-(
– Neil Traft
Aug 1 '10 at 15:53
6
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How to add Options Menu to Fragment in Android
...wered Aug 19 '13 at 16:52
Marco HCMarco HC
5,41333 gold badges2323 silver badges2626 bronze badges
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Convert a RGB Color Value to a Hexadecimal String
...ger g = sGreen.getValue();
Integer b = sBlue.getValue();
Color hC;
hC = new Color(r,g,b);
String hex = Integer.toHexString(hC.getRGB() & 0xffffff);
while(hex.length() < 6){
hex = "0" + hex;
}
hex = "Hex Code: #" + hex;
return hex;
}
...
Parsing query strings on Android
...com/reference/org/apache/http/client/utils/URLEncodedUtils.html and http://hc.apache.org/httpcomponents-client-ga/httpclient/apidocs/org/apache/http/client/utils/URLEncodedUtils.html
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