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MQTT接入EasyIoT平台 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...。
新建一个订阅主题。
代码差别主要在：地址、端口不同，且使用用户名、密码认证（这里仅仅是演示，隐藏了部分，以实际为准），订阅主题使用上面新建的。
环境采集与告警：综合应用案例 · App Inventor 2 中文网
...备 ID 必须与采集端一致；在设置页填写自有 Broker 主机、端口和账号，保存。
选择档案后连接采集。连接前数值为“—”；接收当前设备的非 retained 有效数据后才更新数值和曲线。
温度范围 -40–85°C、湿度 0–100%；序号重...
Microbit Uart Simple · App Inventor 2 中文网
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Microbit_Uart_Simple 传感器提供从 BBC micro:bit 的串行 UART 端口读取和写入字符串的功能。
属性
BluetoothDevice – 设置连接到 micro:bit 设备的 BluetoothLE 组件。
方法
SendMessage – 将给定值 ...
Setting up a git remote origin
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Using SSH
git remote add origin ssh://login@IP/path/to/repository
Using HTTP
git remote add origin http://IP/path/to/repository
However having a simple git pull as a deployment process is usually a bad idea and should be avoided in favor of a real deployment scrip...
Request is not available in this context
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Since there's no Request context in the pipeline during app start anymore, I can't imagine there's any way to guess what server/port the next actual request might come in on. You have to so it on Begin_Session.
Here's what I'm using when not in Classic Mode. The o...
Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (38)
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A quick workaround that worked for me: try using the local ip address (127.0.0.1) instead of 'localhost' in mysql_connect(). This "forces" php to connect through TCP/IP instead of a unix socket.
share
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adito-gateway -华为云免费SSL VPN解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ito adito-0.9.1]# ant install
关闭防火墙
[root@adito ~]# service iptables stop
iptables: Setting chains to policy ACCEPT: filter [ OK ]
iptables: Flushing firewall rules: [ OK ]
iptables: Unloading modules: [ OK ]
[ro...
“互联网卖菜”没那么简单 创业者不要盲目跟风 - 资讯 - 清泛网 - 专注C/C+...
...下锅成品的。可谓是从菜地到饭桌，通过自建生鲜基地去监控产品，监测农药残留。同时根据具体的菜系，杭帮菜，川菜，粤菜等推出别具特色的菜品，将菜、食材赋予了文化内涵，原产地直供的模式也可以保证菜品的原汁原味...
App Inventor 2 动态图表教程 - ECharts与Chart组件实现实时曲线图 · App Inventor 2 中文网
...ls = [];
var maxPoints = 30;
var option = {
title: { text: '实时数据监控', left: 'center', textStyle: { fontSize: 16 } },
tooltip: { trigger: 'axis' },
grid: { left: '10%', right: '5%', bottom: '15%', top: '20%' },
xAxis: { type: 'category', data: labels, axisLabel: { fontSize: 10 } }...
How to filter files when using scp to copy dir recursively?
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Since you can scp you should be ok to ssh,
either script the following or login and execute...
# After reaching the server of interest
cd /usr/some/unknown/number/of/sub/folders
tar cfj pack.tar.bz2 $(find . -type f -name *.class)
return back (logout) to local server and scp...