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IV. LibRIL Start Registration Unicom RILJ and RILC The init function parameter s_rilEnv of the previous Reference RIL passes LibRIL callbacks into Reference RIL so that Reference RIL can pass data to LibRIL. The return value of the init function returns its callback function funcs, so that LibRIL can pass data to the Reference RIL. This st ...

os package Through the os package, you can have the ability to manipulate the computer operating system. This code package provides platform-independent API s. Whether it is Linux, macOS, Windows, FreeBSD, OpenBSD, Plan9, os packages can provide a unified use interface. In this way, different operating systems can be manipulated in the same wa ...

Background: Server-side communication: TCP/IP socket short link. First look at my original socket code: public static byte[] sendMessage(String url, int port, byte[] request, int timeout) { byte[] res = null; Socket socket = null; InputStream is = null; OutputStream os = null; try { ...

RPC Remote Procedure Call - A remote call procedure. It is a protocol that requests services from remote computer programs over a network without understanding the underlying network technology. constitute Network protocol TCP or UDP Socket Programming Input and output streams (object streams) ObjectOutput ...

NoeJs socket. IO module - Implementing Websocket protocol Believe that the little friends who read this article have a certain understanding of the Websocket protocol, here the little brother will not talk nonsense, directly on the code. Server side Background is node, using socket.io module, first install it. npm install ...

This article 1. Install and configure MySQL 5.5 1) Installation Download dependency: yum -y install gcc gcc-c++ autoconf libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel libxml2 libxml2-devel zlib zlib-devel glibc glibc-devel glib2 glib2-devel bzip2 bzip2-devel ncurses ncurses-devel curl curl-devel e2fspro ...

Sequence diagram 1. NetworkWordCount 2. Initialize StreamingContext 3. Create InputDStream 4. Start Job Scheduler 1. NetworkWordCount package yk.streaming import org.apache.spark.SparkConf import org.apache.spark.storage.StorageLevel import org.apache.spark.streaming.{Seconds, StreamingContext} object NetworkWordCount { ...

Android Startup Key Points When the system bootstrapper starts the Linux kernel, the kernel loads various data structures and drivers. Once you have the driver, start the Android system and load the first user-level process: init system/core/init/Init.c: int main(int argc, char **argv){ …… // Create various folders and mount ...

order This paper mainly studies Assignment Distribution Service of storm. AssignmentDistributionService storm-2.0.0/storm-server/src/main/java/org/apache/storm/nimbus/AssignmentDistributionService.java /** * A service for distributing master assignments to supervisors, this service makes the assignments notification * asynchronous. * * < ...

Nio learning The article is a summary of my own study. If there is any misunderstanding, please leave a message. What is Nio? The full name of java.nio is java non-blocking IO (actually new io), which refers to the new api (New IO) provided in jdk1.4 and above for all primitive types (except boolean types). cache Supported data container, which ...