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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11361

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Shangxuetang MySQL video tutorial

Course Advanced 17663

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Band of Brothers front-end example display video tutorial

Course Advanced 11379

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

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node.js - Solve the multi-layer nested relationship in nodejs

My final project is an e-commerce website, and the backend is implemented using node. All the code is written in the same js file, which is very inconvenient. The first is the code to connect to the database. In the callback function to connect to the database, define Schema and model. Then process the routing, on the way...

2017-05-31 10:39:48

How do I get my image to appear on the page's main display?

What I want to do is receive some photos using NASAAPI. These photos are then displayed on my page's thumbnail and main display. I'm just trying to figure out why the code doesn't get the image from the thumbnail and display it on the page. I also use HTML5 and above version of the template website. I'm not very familiar with the code. Any help is greatly appreciated. So the way the site seems to work is that it takes the image src and tag href values to display them in the thumbnail and main display. I'm using fetch requests to get NASAAPI information. Then I use data.map method

2024-04-06 15:33:12

Html code automatically fixed on staging but not on production

I have a website built on Hugo and while implementing new functionality I made a mistake by improperly closing the tag. Strangely, this bug didn't show up in the staging environment, the markup was fixed for users in different browsers and countries (automatically fixed by the browser I think). However, on the production server, the wrong closing tag caused the layout to break. I'm not sure which direction to investigate to get to the root of the problem. I do think this has nothing to do with hugo. I would be grateful if you could suggest a possible reason why everything is working fine in staging environment instead of production environment? Is there a

2023-09-15 22:46:29

Problem: Images load too slowly

I made a craiglist-like website using Html, Css, Js, and Php. When the user clicks to upload an image larger than 1mb, the page becomes very slow or fails (503 error). There is no problem with images smaller than 100kb. There is a form on a php page with type=file input tag and preview img tag. >No problem here. When the user clicks the submit button, the form passes the value of the input tag to another php page, which contains the upload code. Question: Best image scaling before uploading to server

2023-08-17 22:40:08

Status update not working in React-Native on Android

I have some code that has pairs of images in a swipeable horizontal gallery. Now when you click on the upper part of both images the images should toggle off, so what I did is I set isImage2Active to the state and then just toggle their source. On iOS it works perfectly and completely smooth, but on Android it almost doesn't work at all. It might change if you click on it often, but that's obviously not the behavior I want. So I have an image component which is a slideable horizontal gallery constImage as described

2024-04-06 16:54:10

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How to turn off current webpage trigger using PHP

Course Introduction：With the development of the Internet, website development and management have become more and more important. As a popular server-side programming language, PHP is widely used in website development and management. Among them, turning off the current webpage trigger in PHP is a very common operation. This article will share how to use PHP to turn off the current webpage trigger. First, you need to know how to close the current web page. There are three common ways: using JavaScript code, using HTML meta tags, and using HTTP headers. Use JavaScript code to close the current web page

2023-04-06 comment 0 1163

How to optimize corporate website

Course Introduction：Methods to optimize corporate websites: 1. Optimize website code, reduce junk and useless code, reduce H tags, and use weight tags rationally. 2. Improve the content of the website and make the limited content complete and rich. 3. Carry out external promotion of the website; publish company product information on B2B platforms, classified information and other places; exchange website links with upstream, downstream or related companies to increase the weight.

2019-05-23 comment 0 7888

How to write the backend without using php tags

Course Introduction：In website development, backend management often needs to be implemented using server-side programming languages. PHP is one of the most widely used server-side programming languages. However, using PHP tags to write back-end code faces problems such as confusion with front-end code and poor readability in many cases. In this article, we will explore how to implement code-behind without using PHP tags. 1. Overview PHP is a popular server-side programming language, which is widely used in website development and backend management. However, when writing code-behind using PHP tags, one often meets

2023-04-24 comment 0 544

How to implement tab switching function in JavaScript?

Course Introduction：How does JavaScript implement the tab switching function? Tab switching is one of the common features in website development. By switching tabs, users can easily browse between different contents. This article will introduce how to use JavaScript to implement the tab switching function and provide specific code examples. To implement the tab switching function, you first need to create the corresponding tab structure in HTML. Here's a simple example: <divclass="tab

2023-10-21 comment 0 1548

Visual Studio tutorial steps for inserting full-screen background images into web pages

Course Introduction：1. Use Visual Studio to open a website, in this case TwoFish, where image resources have been placed, as well as the css styles and js codes to be used. 2. Find the body tag in the web page. 3. Find the div tag. 4. Enter the code to add a background image, where img is the tag representing the image. 5. src is the path where the image is saved, and id represents the image attribute, which is the background. 6. Find the head and meta tags, and position the cursor after the title tag. 7. Insert css style code. The link tag is used to reference the css style, href is used to specify the path of the css, and rel represents the relationship between the current document and the linked document. 8. Insert js code. Use scri

2024-06-03 comment 0 938

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