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The CRC checksum can be used to validate the data during transmission, when sending valid data, the CRC check code is computed according to the valid data and generating polynomial (such as CCITT Standard polynomial is x16+x12+x5+1), and the CRC

2, Flink introduction Some of you might has been already using Apache Spark in your day-to-day life and might has been wondering if I have SPA RK Why am I need to use Flink? The question is quite expected and the comparison are natural. Let me try

A socket is a special kind of file. It is a file connected to two users, any one user to write data to the socket, another user can see, no matter how far apart the two users in the world is located in a corner, it feels like sitting together to

1 , Asyncsocket IntroductionIf you need to do instant messaging in your project like QQ, you must use socket communication.IOS in Socket Programming the way :BSD Socket:BSD Socket is a common network interface in UNIX system, it not only supports a

This series of articles index: "Response Spring's word Wizard".1 The way of reactive programming 1.1 what is responsive programming?Before you start talking about responsive programming (reactive programming), take a look at a powerful productivity

If need in the project like QQ to do instant communication, must use socket communication, I also just learn, share, there is nothing wrong place hope everybody correct iOS native socket is not very intuitive to use, so I use asyncsocket this

1 , Asyncsocket IntroductionIf you need to do instant messaging in your project like QQ, you must use socket communication.IOS in Socket Programming the way :BSD Socket:BSD Socket is a common network interface in UNIX system, it not only supports a

Original link: Http://www.tuicool.com/articles/Z73UZf6 The data collected on the HADOOP2 and HADOOP3 are sent to the HADOOP1 cluster and HADOOP1 to a number of different purposes. I. Overview 1, now there are three machines, respectively: HADOOP1,