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Links to the original text: https://my.oschina.net/gal/blog/200182 Code modification from there( Summary of Open Source Android pdf Reader Development ) The author shared the code of G ...

Links to the original text: https://my.oschina.net/u/1781072/blog/542608 1. Download and add Netty framework to the project 1.Netty's packages can be accessed from Netty's official ...

Hive files are stored in the following formats: TEXTFILE SEQUENCEFILE RCFILE ORCFILE (since 0.11) TEXTFILE is the default format, which will be defaulted if tables are not specified. When data is imported, data files will be copied directly ...

(https://graph.baidu.com/resou... handler on netty's pipeline processing chain: Requires IdleStateHandler heartbeat to detect if the channel is valid, and handles UserAuthHandler for login authentication and MessageHandler for message processing protected void initChannel(SocketChannel ch) throws Exception { ch.pipeline().addLast(defLoopGr ...

Two threads, one printing 1-52, the other printing alphabet A-Z printing order is 12134B... 5152Z, Require inter-thread communication 1.synchronized Implementation package com.liuyuanyuan.thread; import java.util.concurrent.locks.Condition; import java.util.concurrent.locks.Lock; import java.util.concurrent.locks.ReentrantLock; impo ...

1. Serialization of Net Core 1.1 json.Net Common toolkits, such as Newtonsoft.Json, are components of serialization and deserialization based on json format json.net has the following advantages: Intrusivity: Serialization can be done without adding attribute s Flexibility: Flexible configurations, such as allowing serialized members to cu ...

background A lot of information about FFmpeg reading memory 264 directly published into rtmp was searched on the internet. It was found that very little information was available in this area. Recently, the function of this area was done, and it is hereby recorded. Problem Description There are many ...

Summary In the Go Micro framework, Server is an encapsulation of services such as Broker, Register, Codec, Transort, as you can see in the figure below.Look again at the interface defined by Server Init: Initialization Handler: Register rpchandler NewHandler: Encapsulated rpchandler NewSubscriber: Encapsulating Subscriber to Subscribe Method S ...

http://blog.csdn.net/leixiaohua1020/article/details/44279329 (Structural Membership Management System-AVOption) http://blog.csdn.net/leixiaohua1020/article/details/44268323 (Structural Membership Management System-AVClass) //Need to understand the definition of the option structure - ------------------------------- simplified version type ...

Python's coding problem is basically every novice will encounter the barrier, but as long as you fully grasp it, you can jump over the pit, never change from one of them, this is not the latest I have encountered this problem, let's take a look at it. The reason for this is an upload function done by review colleagues. Look at the followin ...