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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11329

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 17632

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 11344

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 - Mobile date selection written in native js, how to adapt it to the page.

How to adapt mobile date selection written in native js to the page. . . The code below was not written by me. I found it from the Internet. Date control address link: https://github.com/xfhxbb/lCa... I downloaded it from here. . {code...} {code...}...

2017-06-26 10:50:48

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

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

2023-09-05 15:06:32

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Mobile lightweight date plug-in based on zepto--date_picker_jquery

Course Introduction：This article mainly introduces the lightweight date plug-in for mobile terminals based on zepto - date_picker. Friends who need it can refer to it.

2016-05-16 comment 0 1791

What are the platforms for virtual currency wallets?

Course Introduction：Common virtual currency wallet platforms include: Binance (the world's largest), Coinbase (user-friendly), Kraken (high security), Exodus (multi-currency), Trust Wallet (mobile), MetaMask (browsing extension), Ledger and Trezor (hardware wallet), Electrum (lightweight Bitcoin wallet), Green Address (mobile Bitcoin wallet, focusing on privacy and security).

2024-04-12 comment 0 942

Alibaba Cloud Disk's new activity: free capacity based on the number of days of registration, valid for 180 days

Course Introduction：According to news from this website on August 13, Alibaba Cloud Disk has recently pushed the v4.9.3 version upgrade, which has updated activities and functions: New version upgrade gifts: users who upgrade to version 4.9.0 and above will receive free capacity. The longer you register, the more capacity you receive. The "back up as much as you want and get free" activity is open for a limited time: now you can save files on the backup disk to gain capacity. The more you save, the more you will get. New feature: Files in the backup disk can be copied to the resource library for sharing. Optimization function: You can customize the save path for files shared and transferred quickly. This site found that the free capacity activity based on the number of registration days ends at 24:00 on August 31. The conditions for participation are as follows: Equipment requirements: Only Alibaba Cloud Mobile and Pad can participate in this activity. Version requirements: iOS, iPad required

2023-08-16 comment 0 1545

What software is vue front-end?

Course Introduction：Vue front-end is a progressive JavaScript framework for building user interfaces. It is easy to learn, progressive, data-responsive, uses virtual DOM, componentized and lightweight, and is widely used in single-page applications, mobile applications, etc.

2024-04-06 comment 0 1317

Comparison of the advantages and disadvantages of C++ technology and other modern programming languages

Course Introduction：A comparison of the advantages and disadvantages of C++ with other modern programming languages is: C++ advantages: high performance, low-level control, rich library ecosystem. C++ disadvantages: steep learning curve, manual memory management, limited portability. Python advantages: smooth learning curve, extensive library support, interpreted language. Advantages of Java: platform independent, automatic memory management, wide application. Advantages of JavaScript: essential for front-end development, lightweight, dynamic type.

2024-06-01 comment 0 513

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