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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11324

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 17630

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 11334

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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Why is the app high defense server preferred when deploying the app?

As HTML5 code matures, more and more users are building app servers. Since the app installs common materials and caches on the mobile device and then reads the content on the server, the loading speed is faster than the mobile website and the user stickiness It is also relatively powerful, so the configuration selection is different from traditional web servers. So how to deploy the app server? Why should you choose app high defense server when deploying? Here the editor of 170yun will explain: 1. Line: When choosing a mobile APP server, we must consider the mobile phone used by the user, which is generally divided into telecommunications

2020-03-16 14:46:27

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

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Accidental deletion and recovery methods of mobile phone photos and videos (teaching you how to quickly retrieve accidentally deleted mobile phone photos and videos)

Course Introduction：We often use mobile phones to take photos and record videos to record the beautiful moments of life. In an era when mobile phones are popular. It feels very frustrating and disappointing to accidentally delete important photos and videos on your phone, however. Don't worry though! To help you get back your precious memories, this article will teach you how to recover deleted photos and videos on your phone. Use the phone's built-in recycle bin function to recover - photos and videos deleted within a certain period of time will be automatically moved to the recycle bin. Most mobile operating systems provide a recycle bin function, and they can be recovered through retrieval. . - Keywords: Mobile phone recycle bin recovery function uses cloud backup to recover accidentally deleted photos and videos - After uploading photos and videos to the cloud, they can be restored from the cloud even if they are deleted on the phone

2024-05-07 comment 0 359

How to recover deleted Baidu browsing history on mobile phone How to recover Baidu browsing history on mobile phone

Course Introduction：How to recover deleted browsing history on mobile phone Baidu? The prerequisite for restoring the Baidu mobile browsing history after deletion is that the browsing history of Baidu mobile has been uploaded to the cloud, otherwise the deleted browsing history cannot be retrieved. Many friends still don’t know how to recover deleted Baidu browsing history on mobile phone. Here we have compiled the recovery methods after deleting Baidu browsing history on mobile phone. Let’s take a look at it together. How to recover deleted Baidu browsing history on mobile phone 1. First, open the Baidu app, log in to your Baidu account, and click the one-click login icon in the upper right corner (as shown by the arrow in the figure below). 2. Secondly, click the history icon (eg, as shown by the arrow in the figure below). 3. Finally, after clicking to enter, the system will automatically restore the browsing history from the cloud, and the history will return to normal (as shown below)

2024-06-27 comment 0 316

How to delete upload and download records in DingTalk PC version

Course Introduction：DingTalk mobile office platform supports multi-terminal synchronization on mobile phones, PCs, etc., making communication more efficient and safer. So how to delete upload and download records in DingTalk PC version? The editor below will give you a detailed introduction to the tutorial on deleting upload and download records in the PC version of DingTalk. If you are interested, you can take a look. 1. Double-click to open the software and click the "More" option in the lower left corner. 2. Then click "Upload/Download" in the option box. 3. Then you can view the transferred files in the list, select the file you want to delete, click the three-dot "..." button on the right side of it, and select "Delete Record" in the option list below. 4. If you want to delete all

2024-04-05 comment 0 486

wap mobile phone picture sliding switching special effects without css3 elements js script writing_javascript skills

Course Introduction：There are many examples of sliding switching between mobile phone pictures on the Internet, but they all rely on other components, making the code confusing. This example does not have css3 elements and is written in js script. Friends who need it can refer to it.

2016-05-16 comment 0 1591

How to transfer files with airdroid. Specific operation method introduction

Course Introduction：Open AirDroid Personal Edition, click My Friends, and click the friend's avatar to send messages and transfer files to friends. Note: Click the paperclip icon to send files on the phone, including applications, videos, music, and other documents (iOS system restrictions, iOS version Only supports access to some files). Click the picture icon to open the album and send the photos in the album directly. Click the "More" option in the upper right corner to set notes, clear records and delete friends. AirDroid Personal Desktop Open the AirDroid Personal Desktop client and click File Transfer >&nbsp

2024-06-21 comment 0 1172

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