Java Concurrent Programming: Use and Principle Analysis of ThreadPoolExecutor, the Core of Java Thread Pool

Catalog Exit Thread Pool Executor Framework ThreadPoolExecutor Details Constructor Important variables Thread pool execution process Task Queue workQueue Task Rejection Policy Closing of Thread Pool ThreadPoolExecutor Create Thread Pool Instance Reference resources: Exit Thread Pool Threads are the basis of concurrent programming. In the p ...

Posted on Fri, 10 May 2019 08:10:41 -0700 by guymrodgers

Easy implementation of lock-free queue in java

1. What is Lock-Free Programming When we talk about Lock-Free programming, we often associate its concept with Mutex or Lock, describing how to use these lock structures as little as possible in programming and reduce the chance of blocking between threads to improve the performance of applications. Similar concepts include "Lockless" ...

Posted on Fri, 10 May 2019 07:21:11 -0700 by nemo

Brief Introduction to the Use of LESS

LESS as a form of extension of CSS, it does not castrate CSS function, but in the existing CSS grammar, adding a lot of additional functions, so learning LESS is an easy thing, decisive learning! variable It's easy to understand: @nice-blue: #5B83AD; @light-blue: @nice-blue + #111; #header { color: @light-blue; } Output: ...

Posted on Fri, 10 May 2019 06:01:06 -0700 by majik_sheff

Atomic Integer Source Code Analysis of Concurrent Packets in Dead java

problem (1) What is atomic operation? (2) What is the relationship between atomic operation and ACID of database? (3) How does Atomic Integer implement atomic operations? (4) What are the disadvantages of Atomic Integer? brief introduction Atomic Integer is an atomic class provided under the concurrent package of java. It mainly operates on int ...

Posted on Thu, 09 May 2019 23:18:39 -0700 by whitsey

Machine Learning Algorithms III —— Classification

1 Decision Tree Concepts Decision trees are a process of classifying by a series of rules. Decision trees are divided into classification trees and regression trees. Classification trees make decisions on discrete variables, and regression trees make decisions on continuous variables.The process of constructing a decision tree ...

Posted on Thu, 09 May 2019 21:18:38 -0700 by tom92

Detailed Explanation of the Use of Async/await in ES7

Xiaobian recommends: Fundebug Provide JS error monitoring, Wechat applet error monitoring, Wechat game error monitoring, Node.j error monitoring and Java error monitoring. It's really a very useful error monitoring fee service, which is used by many big companies. When js asynchronously requests data, we usually use callback ...

Posted on Thu, 09 May 2019 13:40:38 -0700 by miksel

Python Computer Vision Programming-Chapter 5 Multi-view Geometry-Basic Matrix

1. A Brief Introduction to the Principle of Basic Matrix When we analyze the geometric relationship between two views, we can always simplify the relative position relationship between cameras with homography matrix. The homography matrix here usually only does rigid body transformation, that is, the coordinate system is trans ...

Posted on Thu, 09 May 2019 08:24:39 -0700 by usmanmr

Redis goes deeper and lighter -- strings and SDS

1. Strings The implementation code for the string is in the sds.c and sds.h files. 1.1 String Introduction Strings are the most common type of data storage in Redis, and their underlying implementation is the simple dynamic string sds, which can be modified. It is similar to an ArrayList in Java in that it reduces the freq ...

Posted on Wed, 08 May 2019 23:57:39 -0700 by fahrvergnuugen

XXXX Platform mysql Best Practice Guide

Catalog MySQL Storage Engine Selection Field Class Optimization Index optimization dba Lock, deadlock and transaction control optimization MySQL Development Specification Application layer optimization Optimizing High Availability Architecture Scheme 1 Storage Engine (Table Type) Selection Storage engine refers to the type ...

Posted on Wed, 08 May 2019 22:51:39 -0700 by khanuja.sunpreet

Notes on Sorting Algorithms

Notes on Sorting Algorithms Some blogs with good summary 1. Ordered Learning Notes 2. Arrangement of Partial Sorting Method Summary of various sequencing ideas Bubble sort 1 Outer loop removes sorted 2. The inner loop compares the unarranged arrays before and after, and the maximum number is at the end of each cycle. Stabl ...

Posted on Wed, 08 May 2019 17:51:38 -0700 by junk@alf2.com