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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11334

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 17638

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 11350

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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In PHP MySQL, add default POST values to dynamically created input row fields.

I'm developing a small HTML form integrated with a table. There is an input field in the table called "name" which shows the current date as default value. This works great for the first row. However, when I add more rows dynamically, the new input fields don't show the default date value. Below is my current code:

2023-07-30 10:10:35

javascript - About highchart data rendering

Image description The chart above adds data dynamically. The variable xdata in the code is a time, and the format is 17:21:11. It can be printed out, and the y-axis can also be printed normally. But now the Y-axis data can be rendered normally, but the x-axis cannot be displayed. The expected effect should be to display the time, but now...

2017-06-26 10:53:06

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't work. Below is the code snippet of the server database initialization connector in the application fromfastapiimportFastAPIimportmysql.connectorapp

2023-09-05 11:18:47

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactName. I think this might be a nested query. Nested queries run fine in SQLServer, but don't know how to implement it in MySQL. Limit query: Select*fromcustomerslimit

2023-09-05 14:46:42

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: .right-menu{...grid-auto-flow:columndense;...} If I remove the grid-auto-flow attribute, the overflow stops. However, the items are now stacked into multiple rows, which is not what I want. I also tried converting .ri

2023-09-05 15:18:28

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A complete example of text box shaking effect when jQuery implements dynamic form validation_jquery

Course Introduction：This article mainly introduces the text box jitter effect when jQuery implements dynamic form verification. It can realize the jitter function of form elements shaking left and right. It involves the matching of elements in jquery and the animation animate effect implementation skills. Friends in need can refer to the following

2016-05-16 comment 0 1597

jQuery uses drag effect to realize free dragging div_jquery

Course Introduction：This article will share with you a perfect drag and drop (drag layer effect) implemented by jquery. If you are looking for this kind of effect, you may wish to take a look.

2016-05-16 comment 0 1431

jquery implements rotatable and draggable text effect code_jquery

Course Introduction：This article mainly introduces jquery's code to implement rotatable and draggable text effects, and involves techniques related to jquery's dynamic manipulation of page element styles in response to mouse events. Friends in need can refer to the following

2016-05-16 comment 0 1345

How to implement drag-and-drop movement of form fields in Vue form processing

Course Introduction：How to implement drag-and-drop movement of form fields in Vue form processing. In Vue development, the form is a very common component, and sometimes we need to drag-and-drop the form fields. This article will introduce how to implement drag-and-drop movement of form fields in Vue form processing, and provide corresponding code examples. 1. Use the Vue.Draggable plug-in Vue.Draggable is a drag-and-drop plug-in based on Vue, which can help us achieve the drag-and-drop effect of elements. Here's how to use Vue.Drag

2023-08-11 comment 0 1652

Learn how to set up Windows 11 window dragging

Course Introduction：I believe that friends who have used win10 before must be accustomed to dragging one window to another to merge them together, or directly importing pictures, etc. So how to set up dragging in the win11 window. How to set up win11 window drag and drop: 1. Win11 window drag and drop requires the software itself to support drag and drop. 2. For example, most browsers can merge or separate via drag and drop. 3. Drag a window to the right side of the screen to achieve multi-tasking split screen effect. 4. However, "taskbar drag" has been canceled in win11. 5. This means that we cannot directly drag the icons in the taskbar to the window. 6. However, Microsoft has previously stated that it is considering restoring this function, but there is no clear news yet.

2023-12-28 comment 0 1706

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