大约有 1,400 项符合查询结果(耗时:0.0270秒) [XML]
- App Inventor 2 中文网 - 清泛IT社区,为创新赋能!
...个 UUID 来标识事物时几乎不可能产生碰撞。如果您知道要连接的服务/特性,那么将它们编码到应用程序中是有意义的。如果您正在开发一个更通用的 UI,以便人们探索 BLE 建议中可用的服务,那么您可能需要查看 DeviceCharacteristic...
mqtt协议一般最大支持订阅几个主题? - 创客硬件开发 - 清泛IT社区,为创新赋能!
...服务提供商也有自己的限制。例如,AWS IoT Core 对单个MQTT连接的订阅数限制是 50个。这是一个非常具体的硬性限制,超过后会收到错误。
结论一:你首先需要查阅你所使用的Broker的文档,来确认其默认行为和最大可配置值。2. MQ...
Which terminal command to get just IP address and nothing else?
... getting the IP address becomes non-deterministic in case both a cable and wifi connections are established, when a machine has more than one ethernet interfaces, or when VPN tunnels are present.
Getting the external IP
If you need the external IP, then you can query a text-mode service, for examp...
LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...端的 DNS 名称被拒绝。
403.9 禁止访问:太多客户端试图连接到 Web 服务器。
403.10 禁止访问:Web 服务器配置为拒绝执行访问。
403.11 禁止访问:密码已更改。
403.12 禁止访问:服务器证书映射器拒绝了客户端证书访问。
403.1...
【phpcms v9】PC站和手机站 全静态手机移动站方法 - 更多技术 - 清泛网 - ...
...
方法:
一、网站安装
先装好PC站,建好数据库,PC站连接按常规方法,后台站点设置域名就写www.XX.com;新建一个移动站,把phpcms v9全新的网站文件放到移动站下,移动站数据连接和PC的一样,\caches\configs\system.php设置稍微改一...
Xcode suddenly stopped running project on hardware: “Could not launch xxx.app: .. No such file..” [c
..."telephony" as a required capability and I was trying to run the app on an WiFi-only iPad mini.
– chitza
Jan 1 '13 at 15:27
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show 1 more co...
【精心整理】【实用】visual C++中最常用的类与API函数 - C/C++ - 清泛网 -...
...se 关闭档案,清除缓冲区中剩余数据,断开文件与档案的连接
void Close();
操作符:
<< 存储指定的对象到档案(写),一行可以使用多个析取操作符
>> 从档案中加载指定的对象(读),一行可以有多个插入操作符
CBitmap类...
C# Stream流使用总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...rt();//启动
Socket sock=lis.AcceptSocket();//阻塞,直到有客户端连接
NetworkStream networkStream = new NetworkStream(sock);//得到Socket中的流
if (netStream.DataAvailable) //如果客户端发送了消息
{
byte[] data = new byte[1024]; //定义一个字节数组,用...
Optimising Android application before release [closed]
...y usage:
check networking type and wait until user gets in the area with wifi or 3G (and not roaming) and only then allow him to use connection
use gzip for textual data whenever possible to speed up download and parsing
recycle complex java objects such as XmlPullParserFactory/BitmapFactory/Str...
PHP how to get local IP of system
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In my case (local IP in WiFi local network) I had to specify wlan0 instead of eth0 and to replace 'inet addr:' with 'inet adr:', possibly due to the locale used on my system (fr_FR). Other than that, this answer was the solution I was looking for. T...