The implementation principle of HashMap is enough to read this article. The graphic source code is explained in detail, simple and easy to understand
HashMap is a collection container that senior java engineers in the front line must be proficient in. Its importance is almost equal to the importance of Volatile in concurrent programming (visibility and order). This article makes a detailed explanation of the graphic source code to deeply anUTF-8...
Posted by MattReider on Mon, 13 Dec 2021 19:47:14 +1030
Introduction to Hongmeng shopping application development based on JS general components
1. Introduction HarmonyOS supports application deployment in the unit of capability, which can be divided into FA (feature capability) and PA (particle capability). Codelab in this article will use UI components to develop a harmony OS shopping application. By encapsulating and visualizing eachUTF-8...
Posted by phpserver on Fri, 04 Mar 2022 18:06:23 +1030
HarmonyOS tripartite Component Development Guide (17)-BottomNavigationBar
catalog: 1. Introduction 2. Function introduction 3. BottomNavigationBar User Guide 4. BottomNavigationBar Development Guide 5. Collection of articles on harmoniyos tripartite component development guide introduction The navigation bar at the bottom of the bottom navigation bar can be said thatUTF-8...
Posted by anushka on Tue, 08 Mar 2022 06:08:43 +1030
Tell you what Redis is three times
Absrtact: Redis is a NoSQL database based on key value pairs. Its values support a variety of data structures: strings, hashes, lists, sets, sorted sets, etc. This article is shared from Huawei cloud community< I'll talk to you three times about what Redis is >Original author: Rabbit boss. 1, IUTF-8...
Posted by betportal on Thu, 24 Mar 2022 12:26:03 +1030
Canal principle and Practice
Introduction to Canal canal [k ə' n æ l], which means waterway / pipeline / ditch. It is mainly used for incremental log analysis based on Mysql database to provide incremental data subscription and consumption. It does not support full existing data synchronization. Due to the binlog mechanismUTF-8...
Posted by madkris on Fri, 25 Mar 2022 05:40:12 +1030
java concurrent programming tool class JUC Part 8: concurrent HashMap
In the previous article, we have introduced the tools of java Concurrent Programming: BlockingQueue interface, ArrayBlockingQueue, DelayQueue, LinkedBlockingQueue, PriorityBlockingQueue, SynchronousQueue and BlockingDeque interface. This is the eighth article in a series. Because the operationUTF-8...
Posted by jon2s on Sat, 26 Mar 2022 09:42:09 +1030
json format conversion mapping based on JsonPath
For work needs, it is necessary to realize the interface docking and data push of external systems. At present, it is necessary to exchange the data of internal system and external system in json mode. It is hoped that the internal data format can be decoupled from the external data format, so UTF-8...
Posted by MiCR0 on Fri, 01 Apr 2022 00:47:15 +1030
In depth analysis of RocketMQ source code - load balancing mechanism
1, Introduction RocketMQ is an excellent distributed message middleware. Its performance is better than the existing message queue in all aspects. RocketMQ adopts the pull mode of long polling by default. A single machine supports tens of millions of levels of message accumulation, which can beUTF-8...
Posted by Master Zen on Thu, 07 Apr 2022 11:33:59 +0930
20 minutes to master Android Gradle
At present, the domestic exploration in the field of Android has become deeper and deeper. Many technical fields, such as plug-in, hot repair and system construction, have urgent needs for Gradle. If you don't understand Gradle, you will not be able to complete the above things. So Gradle has tUTF-8...
Posted by Aretai on Sat, 16 Apr 2022 18:37:45 +0930
HarmonyOS tripartite Component Development Guide (10) -- GifImage
catalog: 1. Function introduction of GifImage component 2. How to use GifImage 3. Development and implementation of GifImage 4. Collection of articles in the HarmonyOS tripartite component development guide 1. Function introduction of GifImage component 1.1. Function introduction: GifImage compUTF-8...
Posted by webpals on Sun, 17 Apr 2022 10:16:22 +0930