大约有 5,000 项符合查询结果(耗时:0.0304秒) [XML]

https://bbs.tsingfun.com/thread-1430-1-1.html 

蓝牙配对pin码设置 - 创客硬件开发 - 清泛IT社区,为创新赋能!

蓝牙配对 PIN 码是用于确保蓝牙设备之间进行加密通信的一种方式。一般情况下,当您在第一次将两个蓝牙设备配对时,会要求您输入一个四位数或六位数的 PIN 码。这个 PIN 码必须在两个设备上输入相同的数字才能进行配对成功...
https://www.tsingfun.com/it/cpp/1343.html 

libevent+protobuf轻松搭建tcpserver - C/C++ - 清泛网 - 专注C/C++及内核技术

... total_len: 指示请求总长度 // cur_size: 指示当前已经接收的请求长度 // data: 请求数据本身 client_t *client = (client_t*)malloc(sizeof(client_t)); client->buf_ev = bufferevent_new(client_fd, buffer_on_read, buffer_on_write,buffer_on_error, cl...
https://www.tsingfun.com/it/tech/1411.html 

新浪是如何分析处理32亿条实时日志的? - 更多技术 - 清泛网 - 专注C/C++及内核技术

...架构: 这是一个再常见不过的架构了: (1)Kafka:接收用户日志的消息队列。 (2)Logstash:做日志解析,统一成JSON输出给Elasticsearch。 (3)Elasticsearch:实时日志分析服务的核心技术,一个schemaless,实时的数据存储服务...
https://stackoverflow.com/ques... 

Android 4.3 Bluetooth Low Energy unstable

...w Energy (testing on the Nexus 4). After getting started with the official BLE APIs in Android 4.3, I have noticed that after I connect a device for the first time I am rarely able to successfully connect to / communicate with that device or any other device again. ...
https://www.tsingfun.com/it/da... 

OceanBase使用libeasy原理源码分析:客户端 - 数据库(内核) - 清泛网 - 专...

...nnel以一递增),为session封装的请求产生packet id,主要用于接收到session的响应时用于快速定位到发送队列将session删除。 2.3 回调应用层定义的encode函数,在这里,是int ObTbnetCallback::encode(easy_request_t *r, void *data)函数,在请...
https://www.tsingfun.com/it/cpp/2088.html 

OnInitUpdate、OnUpdate、OnDraw与OnPaint - C/C++ - 清泛网 - 专注C/C++及内核技术

...是和当前活动视相联系的,这样MFC可以保证视能正 确的接收到各种消息,但有时候也会产生不便。有一个解决办法就是在框架中对消息进行处理,这样也可以保证当前文档可以通过框架得到当前消息。 在用户进行输入后如何...
https://stackoverflow.com/ques... 

What does collation mean?

...need to be sorted as if they were different letters - e.g. e,ë,é,ě, and è might be distinct letters for the purposes of ordering (but possibly the same letter when searching, damn those crazy Europeans ;)). – Piskvor left the building Dec 27 '10 at 12:59 ...
https://www.tsingfun.com/it/cpp/2031.html 

C/C++中退出线程的几种方法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...继续很好地运行。 此外,当线程终止运行时, DLL通常接收通知。如果使用TerminateThread 强迫线程终止,DLL就不接收通知,这能阻止适当的清除。 4、在进程终止运行时撤消线程 ExitProcess和TerminateProcess函数也可以用来终止线...
https://community.appinventor.... 

[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...

...cheme is dark */ /* user picked a theme a light scheme and also enabled a dark scheme */ /* deal with light scheme first */ @media (prefers-color-scheme: light) { :root { --primary: #222222; --secondary: #ffffff; --tertiary: #008...
https://bbs.tsingfun.com/thread-1953-1-1.html 

BLE UUID是对的但连接闪退:java.lang.IllegalArgumentException: UUID str...

...错日志 java.lang.ExceptionInInitializerError at edu.mit.appinventor.ble.BluetoothLEint$BLEReadOperation.subscribe(BluetoothLEint.java:357) at edu.mit.appinventor.ble.BluetoothLEint$BLEReadOperation.run(BluetoothLEint.java:325) at android.os.Handler.handleCallback(Handler.java:958) at and...