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Self-study IT network Linux load balancing video tutorial

Course Intermediate 10980

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 17048

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 10744

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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iPhone16 display and size

Course Introduction：It’s too early to talk about iPhone 16 now, but everyone is still paying more attention to iPhone 16. So the first breaking news can not only arouse everyone's curiosity, but also maintain the popularity. Then let’s take a look at the breaking news about the iPhone 16 display today! Multiple sources, including reliable industry analyst Ross Young, said that both iPhone 16 Pro and iPhone 16 Pro Max will be equipped with larger screens. The iPhone 16/Pro is expected to be equipped with a 6.3-inch display, compared to the 6.1-inch iPhone 15 Pro. iPhone16Plus/ProMax will be equipped with a 6.9-inch display. Previously, iPhone15Pr

2024-08-07 comment 0 909

What does iPhone 16 look like?

Course Introduction：Although many people's ideas have changed now, Apple is not the only choice. However, it seems that the replacement of models every year has become a habit. You have to watch the excitement even if you don’t buy it, right? No, are you curious what the iPhone 16 looks like? After all, the release date is very close. Today Apple has exposed a set of new photos of the iPhone 16 model. Let’s just show them to everyone. It’s up to you to decide. The new photos of the iPhone 16 are colorful dumb phones. To be honest, the blue, green and pink ones are not as good as the iPhone 15. The low-saturation blue-green pink looks good, the black looks deeper than before, the white or starlight color returns, and the yellow goes offline.

2024-08-05 comment 0 503

iPhone16 series detailed dimensions

Course Introduction：It’s another year, so what is our goal for this year? It must be the iPhone16 series! I believe there are still many fruit fans waiting for this time of year. So, many people know that there have been many rumors about the size of the iPhone 16 series, so what exactly is it? Let’s take a look at the latest information and information. The detailed dimensions of the iPhone 16 series have been released. The three-dimensional dimensions of 16Pro and 16ProMax have increased by a circle, while 16 and 16Plus have basically remained unchanged. The thickness of the four mobile phones is consistent with the 15 series, the standard version is 7.8mm and the Pro version is 7.25mm. iPhone16ProMax: 163.03×77.58×8.25mmiPhone15ProMax: 1

2024-08-06 comment 0 375

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