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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11275

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 17601

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 11310

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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ColorOS 14.0.0.400 official version update: Added jump between applications to intercept pop-up windows, optimize system stability and fluency, OPPO Find X6 Pro users can download the update

Course Introduction：News from this site on January 30. According to feedback from netizens on this site, OPPO Find sex and fluency. Update content: The system has added a pop-up window to intercept jumps between applications, making every jump visible and controllable. Optimizing system stability and fluency. Optimizing the battery life of mobile phones in some scenarios. Fixing the probability that recent task interfaces cannot switch to all applications. Fixing click status. Fixed the probability of the screen flickering when talking to the capsule. Fixed the probability that the smart sidebar stopped running. Updated the Android security patch to January 2024 to improve system security. Offline the smart sidebar drama listening mode function.

2024-01-30 comment 0 1232

How to completely close 360 Security Guard pop-up ads

Course Introduction：How to completely close pop-up ads in 360 Security Guard? When using 360 Security Guard software, I found that advertising pop-ups always appear, which affects the computer experience. For this reason, the editor has compiled a detailed guide to closing pop-up ads. Method, according to the tutorial, you can easily close the advertising pop-up window, making your computer use more refreshing and comfortable. Tutorial for closing 360 Security Guard pop-up ads 1. Open the 360 Security Guard installed on your computer and enter the software homepage. 2. Click the three horizontal lines icon in the upper right corner of the home page. 3. In the pop-up window that opens, click the settings function to enter. 4. In the 3608 settings center, find the pop-up window settings on the left and click on it. 5. You can see various safety prompts and various safety reminders in the pop-up window settings. Pull down. 6. You can do it below

2024-06-25 comment 0 883

How to set up barrage in Youku PC version How to set up barrage in Youku PC version

Course Introduction：Open the Youku client on your computer and enter the main interface. Click on any video to play, as shown in Figure 1 below, there will be no pop-up screen. The left and right content must be turned off, and then there will be. Youku's pop-up screen is open by default. Enter what you want to say in the window as shown below, and then click [Send]. According to personal habits, you can drag the window by placing the mouse on the cross pattern. Click the [Settings] icon on the right side of the window to personalize the pop-up content.

2024-06-05 comment 0 970

How to clear startup advertising pop-ups

Course Introduction：Annoying advertising pop-ups pop up every time you turn on your computer, which is really annoying. So how do you clear the boot-up advertising pop-ups? The following editor will tell you how to clear the boot-up advertising pop-ups, if you are still being bombarded by boot-up ads. Friends who are troubled by pop-up windows, please come and take a look. Method 1: 1. Right-click the "My Computer" icon, select "Manage" and click to open; 2. Find "Task Scheduler", click the triangle on the left to expand it; 3. Then click "Task Scheduler" below "Program Library"; 4. Go to the right interface, find the running program, and right-click to disable it. This will close the pop-up ads. Method 2: Use 360’s optimization acceleration function and clear the startup items. The above are the tools compiled by the editor for you on how to clear the startup advertisement pop-up window.

2023-07-22 comment 0 2910

How to adjust text deformation in PS

Course Introduction：How to adjust PS text deformation: first double-click to open the PS software and enter text content in the canvas as needed; then click "icon"; then select a style as needed in the pop-up window that opens; finally adjust the corresponding slider to make it The text was randomly deformed.

2020-03-24 comment 0 10928

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