Tag：The number of pages
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Time：2021-6-7
Reading time |0.23 min word count |420.8 characters primary coverage |1. Introduction & background “MSSQL · three methods for querying the execution time of T-SQL statements” Author | SCscHero Writing time | 2021/5/22 AM12:30 Article type |Series Completion |Completed motto Every great cause has a trivial beginning. 1、 Introduction & background Completion: 100% a) Coping […]
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Time：2021-5-7
Log management list data presentation **The table records in the database are encapsulated into the syslog object, and all columns are the total number of records, Syslog is also called do / PO The business layer encapsulates the syslog object into the pageobject object to calculate the total number of pages, Pageobject is also called […]
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Time：2021-5-6
1、 Explanation When I first joined the front-end family, pagination was definitely a mountain of obstacles for me, so if you don’t have some practical experience with JavaScript or jQuery, I suggest you get familiar with these two parts first, and then look at the article here, otherwise you will feel very uncomfortable. Learning is […]
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Time：2021-4-27
SQL Server – Code: SQLServer Procedure Pagination_basic： ALTER PROCEDURE [qiancheng].[Pagination_basic] ( @Table_name VARCHAR (255), –name of table @Rows_target VARCHAR (1000) = ‘*’, –search rows @Rows_condition VARCHAR (1000) = ”, –the condition to find target (no where) @Rows_order VARCHAR (255) = ”, –the rows to rank @Order_type INT = 0, — *Q*C* 0 normal 1 down […]
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Time：2021-4-25
In the last chapter, we implemented the crawling of Youku single page. We will review it briefly. Using htmlagility pack library, crawling of crawler is divided into three steps Crawler steps Load page Parsing data Save data After the first document, this article is mainly about the last one. The main functions are as follows1. […]
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Time：2021-3-29
cause Recently, I’ve been sorting out the company’s front-end library to avoid repeated wheel building. Here is the demo of loading data automatically after the angularjs scroll bar goes to the bottom infinite-scroll.directive.js The automatic loading at the bottom is changed according to nginfinitestroll. Since manual injection decoupling is advocated in angular style guide, the […]
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Time：2021-2-21
The effects of the components are as follows: Technical highlights: 1. Encapsulate the paging component. It does not need to maintain the public data on the external page, but only needs to maintain the pager instance itself in the public data part 2. All data are calculated and stored internally. Multiple pager instances are new […]
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Time：2021-2-7
When using IMAP to read mail body, there is a function that can read multiple mail contents at one time according to the incoming start and end indexesThe main logic is similar to this, starting from 1, 1,10-11,20-21,30 or 1,31-32,63 Now we use array slicing to simulate this process. There are 12 pieces of data, […]
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Time：2020-12-20
I am Alfred, the author of the official account of “Ah Fu chat programming”.A programmer on the back end technology roadOn the way to advancement, let’s encourage each other! This article has been included in Java sharing, including Java technology articles, interview guide, resource sharing. Thinking analysis PageHelper plug-in for mybatis (background) effect In a […]
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Time：2020-12-19
This article describes how MySQL tables calculate statistics. Table statistics are the most important reference information for the database cost based optimizer; if the statistics are not accurate, the optimizer may give an insufficiently optimized execution plan or a wrong execution plan. The calculation of statistical information is divided intoNon persistent statistics(real time computing) andPersistent […]
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Time：2020-12-15
objective By converting the interface of one class to another for compatibility, the adapter enables classes that could not be used together because of different interfaces to work together. The adapter provides a compatible interface to the user by converting the original interface. example Client database adapter Use multiple different network services and adapters to […]
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Time：2020-11-10
Recently, it has been used in businessantdMediumPaginationDeveloped the related business, and I am very interested in the encapsulation of components, so I plan to usetsTo encapsulate aantdAll functionsPagination。The article is a bit long, but after reading it, I believe you can easily release onenpmComponent. Source code address:darrell-wheelsIn the process of writing, the specific implementation of […]
