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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11279

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 17603

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 11314

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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AS400银行核心系统开发中的技术总结--交易和组件写法_PHP教程

Course Introduction：AS400银行核心系统开发中的技术总结--交易和组件写法。AS400银行核心系统开发中的技术总结--交易和组件写法 *交易和组件写法 Firebird核心系统的整体结构，是由主控--交易--组件这几个层次组成的

2016-07-12 comment 0 1127

How to check the total assets on the Hankou Bank app? How to find the asset overview of Hankou Bank

Course Introduction：After opening Hankou Bank, click the "Home" option at the bottom of the current page. Then click the "All" option in "Home". Finally, we select "Asset Overview" and click to enter to complete.

2024-06-24 comment 0 323

How to unbind Taote bank card How to unbind Taote bank card

Course Introduction：How to unbind Taote bank card? Taote can be bound to Alipay for payment, or directly bound to a bank card for payment. Users can unbind the bank card at any time. Many friends still don’t know how to unbind a Taote bank card. Here is a summary of how to unbind a Taote bank card. Let’s take a look. How to unbind the Taote bank card and enter the settings. First, after entering the Taote APP, find me below to enter, then find the settings icon in the upper right corner of the personal page and click to enter. 2Select Alipay account. Find the Alipay account on the settings page, click to enter, and then select My Alipay. 3Select the bank card. You can see the bank card option on the Alipay related interface. Click on it to see the bank card details. 4 Unbind the bank card and enter the bank card you want to unbind.

2024-06-27 comment 0 995

How to check the records of several years ago in China Construction Bank's mobile banking? How to check the details of China Construction Bank over the past year?

Course Introduction：On the [China Construction Bank] interface, click the [My] button. On the [My] interface, click the [1 bank card] option. On the [Account Overview] interface, click the [Details] button. In the [Account Details] interface, enter the date to be queried to query.

2024-06-21 comment 0 592

How to remove the desktop icon shield in Win11? Detailed introduction to how to remove desktop icon shield

Course Introduction：Microsoft's latest operating system, Win11, brings many new features and design improvements. One of the issues that has attracted users' attention is the shield logo that appears on the desktop icon. This shield logo means that the program requires administrator rights to run, but sometimes users may not want to see this logo, so they need to remove it. You can operate as follows: 1. Right-click any shield icon on the desktop. 2. Select "Properties" in the pop-up menu. 3. In the icon properties window, click the "Shortcut" tab. 4. Under "Advanced" options, click the "Change Icon" button. 5. Select an icon without a shield in the icon library and click "OK". 6. After confirming the changes, click the "Apply" and "OK" buttons

2024-05-09 comment 0 1240

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