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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!
在这篇文章基础上进行的另一个平台的测试,先学习这个:https://www.fun123.cn/reference/iot/MQTTGuide.html。
网址:https://iot.dfrobot.com.cn/
自行注册并登录。
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...
AI伴侣现已正式升级为“AppInventor学院”App! - App Inventor 2 中文网 -...
...款App也将承载大家对于AppInventor能打造什么样的App效果的一个期待,后续也会陆续上架各大应用市场。下载地址:帮助菜单 -> AI伴侣信息。部分界面截图如下:
目前,功能可能还比较简陋,各个子系统账号尚未完美统一,这...
How to use ssh agent forwarding with “vagrant ssh”?
...y pair on a vagrant box, I would like to re-use the key pair I have on my host machine, using agent forwarding . I've tried setting config.ssh.forward_agent to TRUE in the Vagrantfile, then rebooted the VM, and tried using:
...
Location Manager Error : (KCLErrorDomain error 0)
...st had this problem. Took me a while to find the solution, which is only loosely related to the previous poster's answer.
Airport (WiFi) must be on for CoreLocation in the iPhone/iPad Simulator to work. I was connected via Ethernet so CL didn't do anything in the Simulator. Turn on Airport in you...
How to exit from Python without traceback?
...est printing in stderr sys.stderr.write(msg)
– vinilios
Jan 17 '12 at 17:20
14
I strongly suggest...
Copying text to the clipboard using Java
...lipboard, making it available to be pasted into other programs such as Microsoft Word. I have the text from the JTable , but I am unsure how to copy it to the clipboard.
...
How to send a stacktrace to log4j?
... The logger takes an object for its first argument and will toString() it. However the second argument has to be a Throwable and displays the stack trace.
– Peter Lawrey
Dec 3 '10 at 16:50
...
Print a file's last modified date in Bash
...
Note that on OS X (Mac), it's stat -f "%m%t%Sm %N" filename (see man stat examples for more details)
– Olie
Oct 9 '14 at 23:45
...
Pandas: Looking up the list of sheets in an excel file
... read it all), I think using parse (and opening the file only once) makes most sense here. tbh I missed the arrival of read_excel!
– Andy Hayden
Jul 31 '13 at 18:05
6
...
How to determine programmatically whether a particular process is 32-bit or 64-bit
...{
using System;
using System.ComponentModel;
using System.Diagnostics;
using System.Runtime.InteropServices;
internal static class Program
{
private static void Main()
{
foreach (var p in Process.GetProcesses())
{
try
...