Tag：Page number
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Method of realizing paging in JS front end
Using JS to realize the front-end pagination page number management can distinguish the page number display beautifully (this is also the pagination page display of most websites). It can have a good user experience. It is also written when there is a business need. It is still a novice and inexperienced. Welcome to point out […]
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How can pypdf2 extract and save as a PDF file according to the PDF page number?
The process is like this, because there are too many PDF files, and the content I really need is only a dozen pages. Each search is inconvenient. In addition, there are too many small partners to send to themselves, and it is not easy for others to find the required content. Therefore, an idea came […]
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Java inserts data into PDF (pdfbox + POI)
Specify page number insert / replace Pdfbox doesn’t seem to provide this method specifically, but the existing methods can also realize this function by multiple combinations, Requirements: a PDF file a has 10 pages. Now I want to insert a new PDF file B on page 6. After insertion, the whole PDF file a becomes […]
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How to break the paging of massive data? After such “improvement” of my scheme, it is really perfect!
1、 Background Paging should be a very common data presentation method. Generally, paging will be used when the data set is large and cannot be presented in a single page. Various front-end UI components also support paging function in implementation, and the corresponding back-end system and database for data interactive presentation provide good support for […]
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Design and analysis of serial request in checkout scenario of Spartacus UI of SAP e-commerce cloud
Current Checkout Design When we toggle delivery method via radio input, once clicked, there’re three sequential HTTP request sent to backend:When we click shipping method, there will be threeserial Send the HTTP request to the background. The behavior of this serial request is clearly visible from the timing diagram of chrome developer tools. Request1: HTTP […]
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IOS uiscrollview Foundation
Preface: very basic learning notes. They were recorded when I first started learning IOS a long time ago (about two years ago). The knowledge points are complete. Take them out and review them. How to use uiscrollview (using steps) 1. CreateUIScrollView 2. GiveUIScrollViewAdd child controls 3. SettingUIScrollViewScrolling range ofself.scrollView.contenSize = CGSizeMake(300,300); 4. By default, as […]
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Nuxt pit record using Vue awesomeswiper assembly
The mall project uses nuxt architecture Using the rotation chart, we selected the most popular Vue awesome wiper as the basic component. However, the pit encountered during use is really uncomfortable The version of nuxt is 2.14.6 There is no problem in building and using the Vue awesomeswiper component in vuecli,However, with the addition of […]
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Handwriting a simple Vue pager (1)
Let’s see the effect first Snipaste_2021-06-04_10-12-54.png Style analysis A pager first needs the previous page, the next page, the middle page number, and the total number of data The current page is highlighted, and there are buttons that cannot be clicked and buttons that can be clicked Static style pageination vue <template> <div> < button […]
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Vue front-end file online preview Vue PDF Preview PDF file, mammoth preview docx file
It may be better to preview files online by the browser based on the back end. For the front end, the Preview PDF is OK. Others feel general, and some are even difficult to support.This article is about the preview of PDF files and docx filesPS: let’s not talk about the picture preview. The browser’s […]
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Delete the last data on the last page without returning to the previous page
//Update current page number let totalPage = Math.ceil((this.totalNum – 1)/this.pageSize); let currentPage = this.currentPage > totalPage ? totalPage : this.currentPage; this.currentPage = this.currentPage < 1 ? 1 : currentPage; Reference blog: https://www.cnblogs.com/duanzhenzhen/p/12565911.html
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(storage management) 01 Paging storage management
Divide the memory into several equal sized partitions, called blocks; Dividing the logical space into partitions consistent with the block size is called pages. When the job is running, the correspondence between page and block is realized through address relocation technology. In this way, storage blocks are managed in the form of pages, which is […]