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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11245

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 17581

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 11291

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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Nubia

Course Introduction：I have long heard that Nubia is going to hold a new product launch conference. However, the specific press conference time has been kept confidential, and the answer was revealed today. Let’s take a look, when will the Nubia AI+ dual flagship new product launch conference be scheduled? Nubia's AI+ dual flagship new product launch conference was officially announced today at 14:00 on July 23, with the slogan "AI star species, comprehensive super upgrade". According to Nubia’s official warm-up summary, Nubia will launch a new generation of Z series flagship mobile phones. Nubia officially stated that this new phone will be equipped with the leading version of Qualcomm Snapdragon 8Gen3, which is called "AI". According to major bloggers and sources, the new Nubia Z series phones continue the "true full screen" design of the imaging flagship + 1.5K under-screen camera, and will also launch an art version.

2024-08-17 comment 0 850

When will Nubia Z60SPro be launched_Detailed introduction to the official release date of Nubia Z60SPro

Course Introduction：Nubia Z60S Pro is Nubia's latest flagship phone officially released on July 23, 2024. It quickly attracted the attention of the market with its powerful satellite communication functions and unique design. So, when will this much-anticipated Nubia Z60S Pro be officially launched? Next, follow the editor to take a look! Nubia Z60S Pro launch time: According to Nubia official news, Nubia Z60S Pro will be officially released on July 23. Nubia new product launch information: Nubia’s new product launch is scheduled to be held on July 23. Two models, Nubia Z60S Pro and Nubia Z60 Ultra leading version, will be released. Nubia Z60S Pro Features: Cosmic Star Ring

2024-07-25 comment 0 754

When will Nubia Z60SPro be launched?

Course Introduction：The latest news about Nubia Z60SPro has emerged. The model has passed certification and is expected to be launched around July this summer. As the successor of Nubia Z50SPro, Z60SPro carries greater expectations, especially in terms of imaging, it is bound to perform better. When will Nubia Z60SPro be launched? Nubia Z60SPro is expected to be launched in July 2024. Nubia Z60SPro rendering: Nubia Z60SPro latest news: On June 20, foreign media exposed the latest official news of Nubia Z60SPro. It is reported that Nubia Z60SPro has passed the Wi-Fi Alliance certification, and also There is a detailed model number: NX725J. It was confirmed that this is ZTE

2024-06-22 comment 0 1159

Is Nubia equipped with a straight screen or a curved screen_Detailed explanation of Nubia screen performance

Course Introduction：Nubia mobile phones have always been favored by consumers for their unique designs and excellent performance. As one of the models, Nubia Mavericks naturally inherits this fine tradition. So, does this much-anticipated Nubia Maverick have a straight screen or a curved screen? The editor has compiled some relevant information here, come and take a look with me! Is the Nubia Maverick equipped with a straight screen or a curved screen? Answer: Nubia has an LCD screen, which is naturally a direct screen. The front of Nubia Mavericks is equipped with a 6.56-inch LCD direct-face screen, which adopts the common hole-digging design of flagship phones. The whole hole-digging does not look big. At the same time, the width of the borders around the screen is also well controlled, and the mobile phone screen is just right.

2024-04-15 comment 0 1224

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