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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11386

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 17699

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 11397

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 add gradient color using CorelDRAW three-dimensional tool

Course Introduction：CorelDRAW has many powerful functions that can produce better results when we design. Among them, the three-dimensional tool can help us design three-dimensional graphics on a flat surface, and gradient colors can also make graphics present a three-dimensional effect. Combining the two can not only make the three-dimensional effect more obvious, but also make the picture more beautiful. Next, let us see how to add it! The specific operations are as follows: 1. Open the CorelDRAW software, draw a graphic and use the stereoscopic tool to make it three-dimensional. Click [Stereoscopic Color] above. 2. Click [Use Decreasing Color] and select two colors in the color viewer. 3. Set up Then you can make the three-dimensional image show a gradient color. It should be noted that the gradient color is added to the graphics on the left side without using the three-dimensional tool.

2024-02-09 comment 0 838

Common software for Apple mobile phones

Course Introduction：What software should be used to download software for Apple mobile phones? 1. platform. 2. You can download applications on Apple phones through third-party software, such as QQ Browser, App Store, etc. First, open the Safari browser that comes with your iPhone, enter the name of the software you want to download in the search bar, select the software you want to download, click Install, and follow the prompts to complete the installation. 3. In addition to the AppStore, Apple phones can also download software through Aisi Assistant. When downloading software for Apple mobile phones, in addition to Apple's own store, you can also download software through

2024-03-02 comment 0 1222

Share: 2023 Apple iPhone 15 conference wallpaper

Course Introduction：Apple announced today that it will hold its 2023 autumn conference at 1 a.m. on September 13. Apple has now updated its official website event page, showing the Apple LOGO made of gray and blue. These two colors also happen to be the two colors rumored to be used for the iPhone 15 Pro model. If you like this LOGO, you might as well use these wallpapers for the main Apple conference: iPhone wallpaper: iPad wallpaper: Mac wallpaper: The original image can be downloaded by clicking this link: 2023 Apple Autumn Conference.zip

2024-01-11 comment 0 1580

Summary of color usage in html and css

Course Introduction：In HTML, a color can be represented in the following three ways: color name, RGB value, or HEX value. In actual development, you can use color to do many things. You can also customize the effect of font color to achieve a gradient effect. You can also use css attributes to set various color effects you want for borders, fonts, images, etc. .

2017-06-09 comment 0 1704

Download and install oppo software store

Course Introduction：How to download oppo software store for ipad and select and download the app. Find the application that you think best meets your needs, click the application icon to enter the application details page, and then click the Get or Install button to download and install. Open Baidu on your mobile phone, enter "Kuaiyong" in the search address bar, and then click Search, as shown in the figure below. After searching for the official website of "Quayyong Apple Assistant", click to enter, as shown in the figure below. After entering the official website, find the "Download Now" item and click to download, as shown in the picture below. Try to search and download the OPPO software store on the browser. If it can be installed, download the [My OPPO] software from the software store. Where to download the oppo app store 1. Oppo mobile phones can download from the OPPO app store, official website, and third-party applications

2024-01-13 comment 0 1705

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