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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11340

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 17646

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 11353

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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Geely Xingrui L Zhiqing and Xingyue L Zhiqing were officially launched today

Course Introduction：According to news on December 3, Geely Automobile announced that its latest models, Geely Xingrui L Zhiqing and Xingyue L Zhiqing, will be officially launched today. The two new cars have already started pre-sales earlier. Xingrui L Zhiqing covers three models: Nebula version, Galaxy version and Tiangong version, while Xingyue L Zhiqing offers two models: Galaxy version and Tiangong version. In terms of pre-sales, the Xingrui L Zhiqing is 131,700-152,700 yuan, and the Xingyue L Zhiqing is 171,700-181,700 yuan. According to the editor's understanding, compared with the entry-level version, the Zhiqing version has significant improvements in appearance, interior, safe and smart driving, etc., in addition to excellent oil hybrid power and excellent control performance. Xingrui L Zhiqing and Xingyue L Zhiqing are sedan and SUV models respectively, both adopt CMA architecture and incorporate Geely's family-style design language

2023-12-03 comment 0 1332

How to Enable or Disable Cortana on Lock Screen

Course Introduction：If you run with the latest version of Windows 10, you can now have Cortana on your (Win+L) lock screen where you can ask her questions like "Remind me to take out the trash when I get home" or "What's the weather like today?" and

2024-08-05 comment 0 1223

The Microsoft Edge Dev Channel has been updated to 107.0.1387.2, adding some new features.

Course Introduction：Microsoft Edge recently pushed an update to EdgeDev, bringing the version to 107.0.1387.2 and introducing new features, improvements, and fixes. EdgeDev 107.0.1387.2 now enables the new SmartScreen client on Mac, adds the RestoreOnStartupUserURLsEnabled policy, and provides numerous bug fixes. The improved UI for trending mobile searches is a notable improvement over the latest version of the browser. All these changes apply to Edge 107.0.1387.2 on all platforms, including Windows, Mac, L

2023-04-27 comment 0 1365

Coming soon! Nezha L car has been designed both internally and externally to create the ultimate driving experience.

Course Introduction：The much-anticipated Nezha L car will be officially launched in April, attracting the attention of many consumers. This mid-to-large SUV has attracted widespread attention with its unique positioning and rich configurations. The Nezha L car is built on the innovative Shanhai platform and offers two power options, a pure electric version and an extended-range version, to meet the needs of different consumers. Recently, Nezha Auto CEO Zhang Yong revealed the luxurious configuration of Nezha L during a warm-up event. He said that the new car will be equipped with an independent compressor double-door refrigerator with a minimum cooling temperature of minus 6 degrees, providing passengers with refreshing drinks. In addition, the car will be equipped with two 15.6-inch color TVs to provide passengers with a rich entertainment experience. Nezha L is also equipped with an 8-point massage zero-gravity sofa seat, providing ultimate comfort for drivers and passengers.

2024-03-18 comment 0 1207

BYD Qin L DM-i makes its debut, making waves in the mid-level sedan market

Course Introduction：The 2024 Beijing International Auto Show will debut a new mid-level sedan-Qin L. This car has a new design concept both inside and outside, and is equipped with the fifth-generation Qin PLUSDM-i hybrid system, which has successfully attracted many eyeballs, and its market positioning has also been improved compared to the Qin PLUSDM-i currently on the market. According to the latest data, Qin L+ has opened pre-orders and will be officially launched on May 29. The new car will provide five versions for consumers to choose from, including 120KM excellence, 120KM transcendence, 120KM leading, 80KM transcending and 80KM leading. The price is expected to be between 120,000 and 150,000 yuan. Qin L+Qin offers four color options in appearance, including jade white, jianyao purple, ice amber green and citrine gray

2024-05-09 comment 0 370

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