Overview of Thread Foundation

Thread Overview Process: A run of a program with a specific function in a computer on a data set. Threads: Threads are a unit of a process. Multithreading: There are many threads in a process running at the same time, such as Thunderbolt downl ...

Posted on Fri, 23 Aug 2019 01:28:53 -0700 by bhavin12300

Patterns Matching and Sample Classes of spark Notes

Level has a very powerful pattern matching mechanism, which can be applied to many occasions, such as switch statements, type checking and so on. Level also provides sample classes to optimize pattern matching, which can quickly match.1.1. Matching string package cn.itcast.cases import scala.util.Random   object CaseDemo01 extends App{   v ...

Posted on Thu, 22 Aug 2019 00:15:15 -0700 by atsphpflash

Flink's checkpoint tuning in large-scale state datasets

50,000 people are interested in the road to big data, don't you know?Do you really not know the way 50,000 people care about big data becoming a god?Are you sure you really don't know the way 50,000 people are focusing on big data? Welcome to your attention The Way to Big Data Today I received a question from a classmate, which is probably: Fl ...

Posted on Sat, 17 Aug 2019 10:38:35 -0700 by markbeadle

MapReduce programming model & WordCount example

Learn MapReduce, the first programming thought that big data comes into contact with.   Preface Previously, when learning big data, a lot of things made some scattered notes, but they were not well organized. This article is also a sort of previous notes, or called output.One is to deepen your understanding, the other is to hope that these ...

Posted on Wed, 31 Jul 2019 16:41:38 -0700 by erikjan

The sixth day of pyhon's study

** Directory of Knowledge Points 1. Functions (Interview Questions) 2. Basic Format for Defining Functions 3. Four common cases of functions 4. What are the actual and formal parameters? 5. What are the details of function naming? 6.return characteristics 7. What parameters can be filled in after the fu ...

Posted on Tue, 30 Jul 2019 06:47:00 -0700 by AMV

My docker essay 16: Building a specific nodejs image

Background A netizen needs to test the block chain transaction project. The test script needs to run in the nodejs environment. The scripts are server.js, package.json, and mainly rely on the package as web3 (or others, of course). To facilitate testing, a better solution is to use docker to build the ...

Posted on Mon, 29 Jul 2019 07:18:57 -0700 by y2yang

Redis Foundation of Redis Learning Notes

Sources: http://www.atguigu.com/download.shtml First, Redis What is it? Redis: REmote DIctionary Server (Remote Dictionary Server), is a C Language Written, BSD compliant, high performance (key/value) distributed memory data base (Open source), run in memory and support persistence, is one of the hottest NoSql databases, also known as data st ...

Posted on Tue, 25 Jun 2019 17:07:36 -0700 by jimwp

Introduction Tutorial | 5 Minutes from Zero to Build the First Flink Application

This article is reproduced from Jark's Blog, author Wu Yi (Yunxie), Apache Flink Committer, Alibaba Senior Development Engineer.This article will describe how to build the first Flink application quickly from the aspects of developing environment preparation, creating Maven project, writing Flink program and running program.In this article, w ...

Posted on Wed, 22 May 2019 15:14:00 -0700 by juancarlosc

Algorithms Series 15 Days Quick - Seven Classic Sorting the Next Day

Algorithms Series 15 Days Quick - Seven Classic Sorting the Next Day From: http://blog.csdn.net/m13666368773/article/details/7497418 First of all, I would like to thank my friends for their strong support for the first article.   Today we are talking about selection sort, including "direct selection sort" and "heap sort".   ...

Posted on Fri, 17 May 2019 11:33:51 -0700 by janggu

2017noip Pervasion Group T2 librian

copy from luogu:P3955 Librarian Title Description Each book in the library has a book code that can be used to quickly retrieve a book. The book code is a positive integer.Every reader who borrows a book has a demand code, which is also a positive integer.If the book code of a book ends exactly with the reader's requi ...

Posted on Thu, 16 May 2019 22:00:25 -0700 by xexmple