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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11328

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 17632

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 11343

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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JS implements imitating Apple bottom taskbar menu effect code_javascript skills

Course Introduction：This article mainly introduces the JS code to implement the effect of imitating Apple's bottom taskbar menu, which can realize the function of displaying large icons when the mouse slides over it. It involves JavaScript mouse events and techniques for traversing and modifying attributes of page elements. Friends in need can refer to the following

2016-05-16 comment 0 1331

Forgot your mac master password? Here comes the reset step! (mac password reset guide)

Course Introduction：Introduction: This article will introduce you to the relevant content on how to reset your Mac master password. I hope it will be helpful to you. Please read on. How to reset the login password on a Mac computer? On the login interface of the Mac computer, click the "Shut Down and Restart" button in the lower left corner. Press and hold the "Command+R" keys in the pop-up window, and then release the power button to enter Recovery mode. First, press the shortcut key [command+R] as shown in the figure below. Next, open the [macOS Utilities] window as shown in the figure below. Finally, click the [Utilities-Terminal] option in sequence, as shown in the figure below. In the top menu bar of your Apple computer, click the Apple icon and select "System Preferences." In the System Preferences window

2024-01-22 comment 0 1210

Change password settings on mac?

Course Introduction：Introduction: Today, this site will share with you the relevant content about changing password settings on Mac. If it can solve the problem you are facing now, don’t forget to follow this site and start now! How to change the password on an Apple computer? Enter the system preferences, click the Apple icon in the upper left corner of the screen, and then select "System Preferences" to set it. Next, select the "Users & Groups" tab in the System Preferences window to view the currently logged in users. On your Apple computer, click the Apple icon in the top menu bar and select System Preferences. In the System Preferences window, click the Users & Groups (or Users & Accounts) option. In the user list on the left, select your account. Sometimes the failure to enter the correct system is due to the boot disk

2024-02-06 comment 0 790

Turn off mac administrator password?

Course Introduction：Preface: Many friends have asked questions about turning off the Mac administrator password. This article will give you a detailed answer for your reference. I hope it will be helpful to you! Let’s take a look! How to disable the username and password when starting up an Apple computer? The Apple computer's boot man (also called the startup carousel) is a process animation when the system starts. To get rid of it, you can fine-tune it by following these steps: 1. Click the Apple menu in the upper left corner of the Apple icon. 2. Select "System Preferences." 3. Find the "Startup Disk" option in the System Preferences window and click to enter. Through the above steps, you can make relevant settings for the boot person of your Apple computer. First, click on Launchpad on the dock. Find the system in the page that opens

2024-02-10 comment 0 982

Introduction to how to upgrade Thunder online

Course Introduction：In this article, we will share about how to upgrade your Mac online. If you are facing this problem now, you may wish to continue reading and follow this site. Let’s get started now! How to upgrade the mac system to the latest version? Before starting the upgrade, we need to check the current MacOS system version. Open the "Applications" folder on your Mac computer and find and open the "System Information" application. In the left navigation menu, click the "Software" option. After entering the desktop of your Apple computer, click the "Launchpad" icon at the bottom of the screen. In the Launchpad window, find and click "AppStore". After opening the app store, select the “Update” option. The steps to upgrade the system are as follows: First click the Apple icon in the upper left corner of the desktop and select

2024-01-20 comment 0 734

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