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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11331

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 17634

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 11347

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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javascript - Issues about the priority of styles added by className.

I made a simple calendar using ul li. Then I first used css to add a background: black using the selector #div ul li; then, I used the className of js to add a style active to all li. Then the background priority is not as high as it originally was, so what should I do...

2017-06-30 09:57:51

javascript - When there are too many characters in the legend of echarts, how to change it into an ellipsis?

I am now making an echarts pie chart, in which the legend is dynamically generated. Sometimes more than a dozen texts are sent to the background, and the style is ugly. Now I want to achieve: when the text in a single legend exceeds 8, it will automatically change into "..." ellipsis (as shown in the picture below), please give me some guidance.

2017-05-19 10:19:29

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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Solution to the super strong IE background image flickering (jittering)_javascript skills

Course Introduction：Solution to the super strong IE background image flickering (jittering)

2016-05-16 comment 0 1511

Super simple implementation method of making ie7 background transparent and text opaque_javascript skills

Course Introduction：This article mainly introduces the super simple implementation method of making the background transparent and text opaque in IE7. Friends in need can refer to it.

2016-05-16 comment 0 1414

PHP简略验证码类:字母+数字字体随机扭曲

Course Introduction： PHP简单验证码类:字母+数字字体随机扭曲现在各式各样的验证码，个人认为验证码是让用户看的，所以简单就好。什么干扰码，倾斜，复杂的背景都是对用户的一种折磨。看了一些比较大的体验比较好的网站验证码都较为简单，没有复杂的背景，没有干扰码，没有背景。 &nb

2016-06-13 comment 0 997

php中文乱码解决办法

Course Introduction： php中文乱码一个简单的数据库插入界面和后台 add.html function onAddItem() { var xmlhttp; var workcontent

2016-06-13 comment 0 838

Use jquery siblings to get all siblings (siblings) of an element

Course Introduction：Suppose you need to implement the following function: when a button is clicked, the background color of the button becomes #88b828, and the background color of other buttons becomes #15b494. At this time, the siblings API is very useful and simple. $(function(){ $(#contentHolder input[type='but

2017-06-24 comment 0 1828

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