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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...
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.
...
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...
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...
[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...
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...
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
...
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...
Setting the correct encoding when piping stdout in Python
...at you receive, and encode what you send.
# -*- coding: utf-8 -*-
print u"åäö".encode('utf-8')
Another didactic example is a Python program to convert between ISO-8859-1 and UTF-8, making everything uppercase in between.
import sys
for line in sys.stdin:
# Decode what you receive:
lin...
一文讲透区块链技术原理 - 资讯 - 清泛网 - 专注C/C++及内核技术
...些指令记录在每一次的价值交换活动中，价值交换活动的接收者（价值的持有人）如何获得这些价值，以及花费掉自己曾收到的留存价值需要满足哪些附加条件。通常，发送价值到目标地址的脚本，要求价值的持有人提供以下两...