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Difference between Processes and Threads Processes A process has a self-contained execution environment. A process generally has a complete, private set of basic run-time resources; in particular, each process has its own memory space.Processes are o…
原文地址: http://baptiste-wicht.com/posts/2010/09/java-concurrency-part-7-executors-and-thread-pools.html Java Concurrency - Part 7 : Executors and thread pools Baptiste Wicht 2010-09-15 07:17 38 Comments Source Let's start with a new post in the Java co…
Lock-free programming is a challenge, not just because of the complexity of the task itself, but because of how difficult it can be to penetrate the subject in the first place. I was fortunate in that my first introduction to lock-free (also known as…
Rob pike发表过一个有名的演讲<Concurrency is not parallelism>(https://blog.golang.org/concurrency-is-not-parallelism), 演讲胶片在talks.golang.org中可以找到(https://talks.golang.org/2012/waza.slide#1), 演讲视频地址 :https://vimeo.com/49718712 以下是根据视频转换的文本信息. if you looked at t…
Threads and Executors Welcome to the first part of my Java 8 Concurrency tutorial. This guide teaches you concurrent programming in Java 8 with easily understood code examples. It's the first part out of a series of tutorials covering the Java Concur…
原文:https://medium.com/rungo/anatomy-of-channels-in-go-concurrency-in-go-1ec336086adb -------------------------------- What are the channels? A channel is a communication object using which goroutines can communicate with each other. Technically, a ch…
https://blog.golang.org/pipelines Go Concurrency Patterns: Pipelines and cancellation Sameer Ajmani13 March 2014 Introduction Go's concurrency primitives make it easy to construct streaming data pipelines that make efficient use of I/O and multiple C…
<Concurrency>:http://docs.oracle.com/javase/tutorial/essential/concurrency/index.html <Java并发结构>:http://ifeve.com/java-concurrency-constructs/ <Java并发性和多线程介绍>:http://ifeve.com/java-concurrency-thread-directory/ <Java并发编程从入门到精通>:htt…
前段时间在公司给大家分享GO语言的一些特性,然后讲到了并发概念,大家表示很迷茫,然后分享过程中我拿来了Rob Pike大神的Slides <Concurrency is not Parallelism>,反而搞的大家更迷茫了,看来大家丢了很多以前的基本知识.后来我就把Pike大神的slide和网上的一些牛人关于Cocurrency和Parallelism的观点做了整理,最终写了本文. 在Rob Pike的<Concurrency is not Parallelism>(http:/…
一.reindex() 方法:重新索引 针对 Series   重新索引指的是根据index参数重新进行排序. 如果传入的索引值在数据里不存在,则不会报错,而是添加缺失值的新行. 不想用缺失值,可以用 fill_value 参数指定填充值. 例如:   fill_value 会让所有的缺失值都填充为同一个值,如果不想这样而是用相邻的元素(左或者右)的值填充,则可以用 method 参数,可选的参数值为 ffill 和 bfill,分别为用前值填充和用后值填充: 针对 DataFrame   重新…