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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 17597

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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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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Example of text row-by-row upward intermittent scrolling effect implemented with jQuery

Course Introduction：This article mainly introduces the intermittent scrolling effect of text line by line upwards implemented by jQuery, and involves the operation skills related to jQuery's dynamic transformation of page element styles based on time functions. Friends who are interested in jQuery can refer to this article.

2018-01-25 comment 0 1728

An example to explain the intermittent scrolling effect of text line by line upwards implemented by jQuery

Course Introduction：This article mainly introduces the intermittent scrolling effect of text line by line upwards implemented by jQuery, and involves the operation skills related to jQuery's dynamic transformation of page element styles based on time functions. Friends who need it can refer to it. I hope it can help everyone.

2017-12-29 comment 0 1881

jQuery implements intermittent scrolling up of single line text source code_jquery

Course Introduction：There are countless text upward scrolling effects implemented using jquery, but there are not so many intermittent upward scrolling effects, so this article simply implements one. Interested friends can refer to it.

2016-05-16 comment 0 1117

jquery plug-in text intermittent automatic scrolling up effect code_jquery

Course Introduction：This article mainly introduces the intermittent text automatic upward scrolling effect code of the jquery plug-in, and involves the related techniques of jquery triggering the page element transformation based on the time function to achieve the scrolling effect. Friends in need can refer to the following

2016-05-16 comment 0 1320

Why can't the excel table be scrolled? The excel table can't be moved.

Course Introduction：Excel tables are often used to edit and process data. They are concise and clear and the effect is very high. However, you user found that the excel table cannot be scrolled and the data below cannot be viewed. What is going on? This happens because the scrlk key is pressed. Let’s take a look at the solution. The specific solution is as follows: 1. Open the Excel software, then open or create a new table document, press the up, down, left, and right arrow keys on the keyboard, move the cursor, and see if you can select cells. 2. When pressing the arrow keys to move, if the cell cannot be selected and the table and window move accordingly, check whether the word scroll appears in the status bar at the bottom left of the Excel software. 3. If scrolling occurs, it means that exc has been manually turned on.

2024-08-26 comment 0 325

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