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preface Now there is a scenario: when a client accesses the server, it can only access one machine all the time, because some user data exists on the server. If you access other servers, the user data will be lost. How to use algorithms to solve this problem? Consistent hash ring algorithm base The ring structure here is abstracted from ou ...

0. Character stream and byte stream 1. Byte buffer stream 1.1 byte buffer stream construction method 1. Introduction to byte buffer stream lBufferOutputStream: this class implements buffered output stream. By setting up such an output stream, an application can write bytes to the underlying output stream without causing a call to the ...

Array is one of the most common concepts in Javascript. It provides us with many possibilities to process data. It is necessary to be familiar with some common operations of array.1. Array de duplication1. from() superimposes the new Set() methodThe from method can be directly used for the de duplication of string or numeric array.var plants = ...

Material You It is not only the development direction of the next generation of Material Design, but also a new design vision: it is convenient for you to create personalized style design, meet various needs and adapt to various screens; Jetpack Compose It is a new modern toolkit for building a native Android interface, which can help you bui ...

First, let's take a look at the runtime effect of my Angular application that supports infinite scroll:https://jerry-infinite-scroll...Scroll the middle mouse button and scroll down to trigger the list to continuously send requests to the background to load new data:The following are the specific development steps.(1) app.component.html source ...

Distributed transaction Monomer application In a single application, a business operation needs to call three modules to complete. At this time, the consistency of data is guaranteed by local transactions. Microservice application With the change of business requirements, individual applications are divided into micro service applications ...

Universal synchronous asynchronous transceiver (USART)USART introductionFull duplex asynchronous communication.The interface is connected with other devices through three pins (receive Rx, send TX and clock output CK) (at least RX and TX are required for any USART two-way communication)The sender provides a clock for synchronous transmission.Th ...

1, Introduction HashMap's source code, which we have interpreted before, is an array plus a linked list. If the linked list is too long, it will split into a red black tree. The automatic capacity expansion mechanism is not detailed. Let's take a look at it in detail today 2, Capacity expansion mechanism Let's start with the conclusion: T ...

I am snowy fish, an FPGA enthusiast, and my research direction is FPGA architecture exploration.Pay attention to the official account and pull you into the IC design exchange group.OpenROAD Support RTL to GDS Flow, which is the back-end physical implementation of chip design.1, Code download and compilation1.1 Code download and dependent instal ...

backgroundIt's the annual Valentine's day again. I wish all programmers have lovers and get married!Today, the official account was advertised and temporarily pigeon. This Valentine's Day is a little hurt. Fortunately, there is no pigeon..What should I write on Valentine's day?!You must have a lot of single dog s, right?It doesn't matter. Stack ...