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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11273

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 17598

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 11309

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 - remote legality verification problem of input box value in form

1. The problem is this. There is an input box. I want to verify whether the value already exists in the database at the onBlur moment. Just like when we usually register an email, we will be prompted in real time whether the email name has been used. Previously, in the jquery era, ajax requests could be referred to as synchronous. However, in antd+dv...

2017-07-05 11:04:40

There is already a good solution for automatic search prompts (completion), why reinvent the wheel?

Implementing an intelligent prompt function requires a lot of knowledge in JavaScript, ajax, databases, and jsp/php. If the amount of data is large, special optimization is required. It is not appropriate to spend too much effort on a small function. But is this a dispensable function? It is definitely not For users, it can effectively reduce the input cost. When facing the input box, they can get more prompts and not be so confused and helpless. For webmasters, it can prioritize the key information of the website.

2017-06-29 16:03:09

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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Input input box drop-down prompt layer based on jQuery (automatic mailbox suffix name)_jquery

Course Introduction：The input input box drop-down prompt layer based on jQuery is convenient for users to enter prompt information when entering their email. Friends in need can refer to the following

2016-05-16 comment 0 1410

JS input box mailbox automatic prompt function code implementation_javascript skills

Course Introduction：When I enter any word in an input box, the corresponding email prompt will automatically drop down. When I enter 11 in the input box, the drop-down box will have all the email addresses of 11. When I enter other words, there will be emails corresponding to other copywriting. This automatic prompt function is implemented below.

2016-05-16 comment 0 1265

JS implements smart prompts for input boxes

Course Introduction：This article mainly shares with you JS to implement smart prompts for input boxes. It is mainly shared with you in the form of code. I hope it can help you.

2018-03-22 comment 0 2164

js code that imitates Baidu input box smart prompt_javascript skills

Course Introduction：This article introduces the js code that imitates Baidu input box smart prompts. Friends in need can refer to it.

2016-05-16 comment 0 1543

jquery implements the automatic completion drop-down prompt function when entering an email_javascript skills

Course Introduction：Everyone who is working on a Web project will have a registration and login module. If it is an email registration, you want to trigger the drop-down box to display the functions of each email after entering @. The following introduces a jQuery implementation that can automatically complete the email address when entering an email address, which can also be called an "input prompt" function. For example, when entering aaa, it will automatically become aaa@163.com, effectively improving the user-friendliness of the web page. experience

2016-05-16 comment 0 1480

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