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Self-study IT network Linux load balancing video tutorial

Course Intermediate 10976

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 17039

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 10737

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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How to turn off charging vibration on Huawei Mate60RS Master?

Course Introduction：Huawei Mate60RS Extraordinary Master has attracted much attention and has amazing functions and features. However, some users feel uncomfortable with the vibration during charging and hope to turn off this feature. Today, we will discuss how to turn off the charging vibration of Huawei Mate60RS Master. How to turn off charging vibration on Huawei Mate60RS Master? 1. Enter the settings page of your phone. 2. Find the “Sounds and Vibration” option. 3. Find the "Vibrate" or "Vibrate" option. 4. Find the sub-item "Charging Vibration". 5. We only need to set the switch button to off. When we successfully turn off the charging vibration, the phone will save our settings and take effect immediately. From then on, whenever we connect Huawei Mate60RS Extraordinary Master

2024-02-09 comment 0 1099

How to mute the sound of Huawei Mate60RS Extraordinary Master?

Course Introduction：Huawei Mate60RS Extraordinary Master is a high-profile smartphone. It is not only unique in appearance design, but also incorporates many amazing functions. In daily use, we often encounter situations where we need to mute our mobile phones. So how can Huawei Mate60RS Master be silent? How to mute the sound of Huawei Mate60RS Extraordinary Master? The volume can be adjusted quickly through the side buttons. Just press and hold the volume down button for a few seconds to mute, which is very convenient. In addition, you can also pull down the notification bar to enter the volume control panel for manual adjustment, which provides greater flexibility. In addition to the traditional mute method, Huawei Mate60RS Extraordinary Master also provides an intelligent scene mode to make mute more intelligent. By setting different

2024-02-11 comment 0 1267

How does Huawei Mate60RS Extraordinary Master clear the cloud storage space?

Course Introduction：Cloud storage has become an indispensable part of modern people's lives. In the Huawei Mate60RS Extraordinary Master smartphone, cloud storage has received breakthrough upgrades and optimizations. However, for many users, cloud storage space cleaning and management is still a headache. So, what convenient methods does Huawei Mate60RS Extraordinary Master provide to clean up cloud storage space? How does Huawei Mate60RS Extraordinary Master clear the cloud storage space? Method 1. In the system settings of Mate60RS Extraordinary Master, users can find the "Cloud Space" option. In this option, users can clean files and data that have been synchronized to the cloud. Click the "Clear Storage Space" button and the system will automatically analyze

2024-02-13 comment 0 768

How to install high-risk software on Huawei Mate60RS Extraordinary Master?

Course Introduction：Huawei Mate60RS Extraordinary Master brings users a new experience and better protection measures on the topic of installing high-risk software. As a flagship smartphone, it not only makes breakthroughs in hardware configuration, but also strengthens its own protection capabilities in terms of software security. The following will introduce in detail how Huawei Mate60RS Extraordinary Master can safely install high-risk software. How to install high-risk software on Huawei Mate60RS Extraordinary Master? 1. Open the “Settings” of your phone. 2. Click "System and Updates". 3. Click "Pure Mode". 4. Turn off the button on the right side of "Enhanced Mode". Then you can download the software you need and click the installation package to install it. How to install high-risk software on Huawei Mate60RS Extraordinary Master

2024-02-13 comment 0 1115

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