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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11302

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 17615

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 11321

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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How to make animation pause on hover but continue once mouse leaves

I've tired of several solutions and this is the closest I've gotten. But I'm still not happy with how it turned out, because when the mouse leaves the element, the element reverts to its original rotation. The idea is that if you go over the element, it will trigger the animation even if the mouse leaves the element. If you hover over the element, it plays an animation and stays at 0 degrees, and once the mouse leaves, another animation plays and rotates back to -8 degrees. consstelements=document.getElementsByClassName('rota

2024-04-01 09:43:54

javascript - Implement the mouse to draw a div frame and obtain the dom element covered by the div

Similar to this effect, move the mouse and pull a div box to select the dom element covered by the div. Do you have any good ideas that can be implemented? The method I came up with is to judge the offsetLeft, offsetTop of the div and the offsetLeft, offsetTop of each element that needs to be selected. If the dom element...

2017-05-19 10:09:21

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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JS and CSS realize the pop-up of a DIV box with buffered animation gradient effect when the mouse passes

Course Introduction：This article mainly introduces the implementation method of JS+CSS to pop up a DIV box after the mouse passes, with buffered gradient animation effect, involving the response of mouse events and related techniques of combining time function timing triggering to form animation gradient effect. Friends in need can refer to Down

2018-06-25 comment 0 2094

JS+CSS realizes a complete example of popping up a DIV box after the mouse passes (with buffering animation gradient effect)_javascript skills

Course Introduction：This article mainly introduces the implementation method of JS+CSS to pop up a DIV box after the mouse passes, with a buffered gradient animation effect, involving the response to mouse events and the related skills of combining time function timing triggering to form an animation gradient effect. Friends in need can refer to Down

2016-05-16 comment 0 1681

jquery adds a border effect to the image when the mouse passes over it_jquery

Course Introduction：The image collapses when the mouse passes over it. In fact, the border control should be added directly to the IMG tag. There is a good example below. You can feel it.

2016-05-16 comment 0 1391

The jquery events hover, mouseenter, and mouseleave only trigger animation once

Course Introduction：When the mouse moves to a certain div, the mouseenter event and animation are triggered, and when the mouse is moved out, the mouseleave event and animation are triggered. However, when the div is moved back and forth, the event is triggered multiple times, and the animation has to be repeated several times. How can I do this during the execution of the animation? , the mouseenter and mouseleave events are not triggered. That is, during the animation process, after the mouse passes over this div, the animation will not reappear. It will only be triggered after the animation is completed and the mouse is passed over again.

2017-06-28 comment 0 2714

How to underline a table in word_ Tutorial on underlining a table in word

Course Introduction：1. Open word, click Table under the Insert option, and then click Draw Table. 2. Press and hold the left mouse button, then drag the mouse to draw a box, then hold down the left mouse button from the left edge and drag it to the right edge.

2024-04-24 comment 0 723

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