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Deployment DNS Forward Resolution Main configuration file (/etc/named.conf): Used to define the operation of the bind service program. Zone Profile (/etc/named.rfc1912.zones): The location where the corresponding relationship between domain name and ip address is stored. Similar to the catalogue of books, it corresponds to the specific ...

Today we'll look at how some highly concurrent business scenarios can achieve data consistency.   Scene: 1. Data sheet: ConCurrency. 1 CREATE TABLE [dbo].[ConCurrency]( 2 [ID] [int] NOT NULL, 3 [Total] [int] NULL 4 ) 2. Initial value: ID=1,Total = 0 3. Require Total + 1 per client request 2. Single thread 1 sta ...

The previous article talked about the process from creating application domains to creating ISAPIRuntime instances. This article continues with the necessary initialization process for Asp.net to process the first request. ISAPIRuntime analysis ISAPIRuntime is implemented in System.Web.Hosting, and its ProcessRequest is our gateway for processi ...

Ancient Cloud: Reviewing the Past and Knowing the New. This is excellent. Recently, as a little white man, I have used my spare time to revisit an OA system I wrote as a trainer in the past few months. I hope I can get some new inspiration on the basis of consolidation. Now, in retrospect, the previous person, writing stop, do not feel exclamat ...

I. background Shortly after joining the new company, I met a colleague who was leaving and handed over the project to me. Colleagues leave their jobs in a hurry, so the handover is not very good, which is also an objective reason for the more problems behind. As shown in the title, the front end is developed by vue.js+node.js, the back end is d ...

Recently, in learning Baidu's open source upload component WebUploader, the last article learned how to upload batch files. Today, learn how to upload batch pictures. Actually, it is very similar to file upload, but it adds image display function, which has been provided in the WebUploader component.    First: The following is a batch file so ...

This article began to formally do the function, before I developed the reminder of puzzle puzzle, the function of reminding sellers that puzzle puzzle is too many and the number of puzzle puzzle is not enough. This idea comes mainly from the complaints of friends. I think it should be the voice of most sellers. After analysis, I got several a ...

Download the latest version of TeeChart Pro ActiveX TeeChart provides a wide range of custom drawing tools through Canvas objects. With Canvas, you can add shapes, lines and text anywhere in the "Chart Panel" and define its color, pen and brush style. TeeChart Canvas Drawing order When using TeeChart's Canvas method, remember that dr ...

Download the latest version of FastReport.Net Many FastReport.Core users are interested in how report generators work in Web applications written using React libraries. In this article, we will introduce how to use an online designer. Although it is displayed in the same Web object as a regular report, it is quite different from what is shown ...