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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11309

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 17619

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 11324

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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Honor 50 and 60 series mobile phones have launched MagicOS 8.0 public beta, and many models have launched official versions

Course Introduction：According to news on April 2, Honor 50 and 60 series mobile phones have launched the MagicOS8.0 public beta event on March 30. Qualified users can sign up through the "My Honor" App to support the Honor 60 series mobile phones (MagicOS7.0.0.181 version), Honor 50 series mobile phones (MagicOS7.0.0.178 version) are upgraded to MagicOS8.0 version. The summary of MagicOS8.0 system update points is as follows: Silky and smooth [Smooth Motion Effect] adopts a new motion design based on human factors, which is more natural and comfortable. The application startup/exit animation can interrupt the animation and make it more coherent and smooth. [Smooth reloading] Improves the stable and smooth experience of multi-application parallel scenarios, such as shopping price comparison and small window direct viewing when buying while watching.

2024-04-02 comment 0 1403

The smoothest Huawei system! Pura 70 series launches Hongmeng 4.2 globally

Course Introduction：According to news on April 18, Huawei’s Pura70 series was officially launched for sale. The machine made the world premiere of the latest Hongmeng OS4.2 system. On Hongmeng OS4.2, Huawei has brought a new Ark graphics engine and Ark scheduling engine, with a response speed increased by 12%, making it the smoothest Huawei mobile phone system to date. Among them, the Ark graphics engine has improved the energy efficiency of the graphics stack by integrating physical effects, data-driven rendering, game superframes, GPU Turbo and other aspects, making mobile phone animations silkier and game graphics smoother. Specific to application scenarios, when a user opens or closes an APP, the response animation is smoother. As for the Ark scheduling engine, it uses integrated scheduling, delay determination, SOC collaborative acceleration, multi-task aware scheduling and other technologies.

2024-04-19 comment 0 1238

Huawei Pura 70 launched: Hongmeng 4.2 brings a new era of mobile phone smoothness?

Course Introduction：According to news on April 19, Huawei’s latest flagship mobile phone Pura70 series has officially launched on the market. This mobile phone is equipped with the new Hongmeng OS4.2 operating system for the first time, bringing users an unprecedented smooth experience. Through the Hongmeng OS4.2 system, Huawei launched the innovative Ark graphics engine and Ark scheduling engine, which increased the system's response speed by 12% and is known as the smoothest mobile phone system in Huawei's history. The Ark graphics engine significantly improves the energy efficiency of the graphics stack through the perfect integration of physical motion effects, data-driven rendering, game super frame rate, GPU Turbo and other technologies, making mobile phone animations more delicate and game graphics smoother. . In daily life, this means users can enjoy more

2024-04-19 comment 0 913

Huawei P60 Pro review: comprehensive analysis of screen, communication, system, and battery life

Course Introduction：As a flagship mobile phone, Huawei P60Pro has achieved excellent sales results since its launch. It has made a lot of optimizations and upgrades in screen, communication, system, battery life and other aspects, bringing users a super comprehensive experience. Next, we will start from daily use scenarios to explore the sources of advantages of Huawei P60Pro, and understand why it is not only the king of images, but also an all-round flagship. The Huawei P60Pro screen is equipped with an LTPO dynamic high-refresh screen, which supports an adaptive refresh rate of 1~120Hz, so that the picture can present the best effect in different scenarios such as sliding, gaming and stillness. During the actual experience, I tried to play some videos and games on my mobile phone and found that the picture smoothness was very high, and every frame could be displayed clearly, without

2024-01-07 comment 0 1688

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