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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11421

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 17716

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 11415

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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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

Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in php any value has a unique string representation (such as the php code itself). I post this question to speed up the design process of this program. Some values are easily converted to strings: numbers, booleans, etc. Some are not easy: objects, arrays, resources. I think the transfer object and

2023-09-05 15:34:44

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Online customer service effect code on the left side of the webpage implemented by jQuery_jquery

Course Introduction：This article mainly introduces the online customer service effect code on the left side of the web page implemented by jQuery. It involves simple jQuery page animation display and hiding effect implementation techniques. It is of great practical value. Friends in need can refer to it.

2016-05-16 comment 0 1766

js implements simple QQ online customer service code floating on the right side of the web page_javascript skills

Course Introduction：This article mainly introduces the js implementation of the simple QQ online customer service code floating on the right side of the web page. It controls the display and hiding effects of customer service pictures through simple custom functions. It is of great practical value. Friends in need can refer to it.

2016-05-16 comment 0 1793

How to hide favorites in 360 Browser

Course Introduction：How to hide favorites in 360 Browser? The service functions in 360 Browser are very diverse, and the favorites function can help us bookmark websites and provide them to us when we need them. The favorites of 360 Browser are generally displayed right above the browser. If you don’t want to be seen by other users, you can choose to hide the favorites. If you don’t understand the specific operation of hiding favorites, just follow the editor. Take a look at the 360 browser favorites hiding tutorial. How to hide favorites in 360 Browser 1. Open 360 Browser and click the three stripes button in the upper right corner of the browser. 2. In the drop-down menu, click the "Settings" button to enter the 360 Browser settings page. 3. In the menu bar on the left side of the settings page, click "

2024-01-30 comment 0 1850

How to implement online customer service function in jQuery

Course Introduction：This article will share with you the example code of jQuery to implement the drawer-style online customer service function on the right side. Readers in need may refer to it.

2018-06-15 comment 0 3313

Course Introduction：How to decipher the hidden secret room in "The Condor Shooting"? There are many secret rooms in the game "The Condor". Many players have never entered a secret room after playing on the test server for a long time. Many players don't know how to enter? Today, the editor will bring you a guide to decrypting the hidden secret rooms in "The Condor Shooting". The secret room decryption strategy of "The Condor Shooting": 1. The secret room on the second floor of Changqing Tower: When you go to the second floor, you can see the note on the table. The gaps in the three bowls are facing you from left to right, and facing the right. , place it facing the left to enter the secret room. 2. Wang Erdian's Secret Room: Go to the table in the living room and find the clue note. According to the clue, the directions of the three bowl openings from left to right are "left", "front" and "back" and then enter the secret room. 3. Meiwu Secret Room: Find the clue note on the table, the meaning of the clue

2024-04-03 comment 0 390

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