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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11357

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 17659

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 11370

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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jQuery simply implements the method of submitting data and showing loading progress bar_jquery

Course Introduction：This article mainly introduces jQuery's simple method to implement the loading progress bar when submitting data, involving jQuery's ajax call and page style operation skills. Friends in need can refer to the following

2016-05-16 comment 0 2041

js fixed DIV height, a simple way to automatically add scroll bars beyond the part_javascript skills

Course Introduction：This article introduces a simple method to fix the height of a DIV in js and automatically add scroll bars to the exceeded part. Friends in need can refer to it.

2016-05-16 comment 0 1115

How to adjust the fast forward time for perfect decoding_set the time span

Course Introduction：1. First open the player, right-click on the interface - [Options], or directly use the shortcut key [F5] to open the settings menu. 2. Click [Play] - [Time Span] in the menu, and then you can You can adjust the time span of the shortcut keys to control the progress bar in [Set as Time Settings]. Generally, by default: the left and right arrow keys control the progress bar position to forward/backward for 10 seconds; CTRL+left and right arrow keys control the progress bar position to forward/backward. 30 seconds SHIFT + left and right direction keys to control the position of the progress bar forward/back 60 seconds CTRL + ALT + left and right direction keys to control the position of the progress bar forward/back 300 seconds There are four adjustments for you to choose from. You can customize the settings at will. Fast forward second by second or

2024-06-07 comment 0 470

Xiaomi screenshot shortcut key (Xiaomi screenshot shortcut key makes taking screenshots easier and more efficient!)

Course Introduction：Screenshots have become one of the essential features in our daily lives, with the popularity of social media and digital communication. However, the traditional screenshot method is inefficient and requires multiple steps to complete. In order to solve this problem, Xiaomi mobile phones have launched a convenient and fast function-Xiaomi screenshot shortcut key. This article will introduce in detail how to use Xiaomi screenshot shortcut keys and practical tips to help readers improve the efficiency of screenshots in work and life. 1. Xiaomi screenshot shortcut key settings: How to enable and set the Xiaomi screenshot shortcut key function? Xiaomi screenshot shortcut keys can be turned on and set through the "Shortcut Function" menu in settings. You can add a convenient and practical screenshot shortcut key to your phone with just a few simple steps. 2. Use the Xiaomi screenshot shortcut key to take a full screen screenshot

2024-02-02 comment 0 516

PC version of WeChat, how to set the shortcut key to open WeChat messages

Course Introduction：How to turn off WeChat shortcut keys on computer? WeChat can customize many shortcut keys, and there are also some default shortcut keys, which bring great convenience to our operations. However, some friends who have just used computers do not know how to operate it. The method is very simple and only requires three steps. If you are interested, take a look below. Setting method 1. Log in to the computer version of WeChat, click the three bars in the lower left corner, and click Settings. 2. Click the shortcut bar and click to open the WeChat shortcut box. 3. Change it to a new shortcut key and click OK.

2024-08-28 comment 0 650

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