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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11322

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 17629

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 11334

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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Imagination teams up with Ventana to demonstrate heterogeneous CPU-GPU SoC simulation results

Course Introduction：According to news from this website on November 6, high-performance RISC-VCPU design company Ventana and Imagination jointly developed the heterogeneous CPU-GPUSoC. The two companies will display their simulation models at the RISC-V Summit next week. According to reports, both companies are major members of the RISC-V International and RISC-V Software Ecosystem (RISE) projects, and are both firm advocates of open architecture. VentanaMicroSystems was founded in 2018, and its first product is VeyronV1, launched at the RISC-V Summit in December 2022. Ventana will launch VeyronV2 next week.

2023-11-06 comment 0 763

Sources say Altman and Jonathan Ive 'poached' people from Apple to develop artificial intelligence devices

Course Introduction：According to news from this site on December 27, according to Bloomberg’s Mark Gurman, people familiar with the matter said that Tang Tan, Apple’s outgoing vice president of product design, will be invited to join LoveFrom, the design company of former Apple chief design officer Jony Ive. , participating in new artificial intelligence hardware projects and designing the appearance and functions of new products. It is reported that OpenAI CEO Sam Altman plans to provide the software foundation. According to reports, Tang Tan is responsible for the product design of iPhone and Apple Watch at Apple. It is reported that he will leave Apple in February next year. This site has noticed that there are reports that Ive and Altman are collaborating to discuss the new "A

2023-12-28 comment 0 1109

Trendforce: Nvidia's Q2 revenue increased 68.3% quarter-on-quarter, surpassing Qualcomm and successfully ranking among the global IC design companies

Course Introduction：According to this site’s news on September 24, Trendforce’s latest research report shows that thanks to the AI boom, Nvidia officially replaced Qualcomm as the global IC design leader in the second quarter, and the rankings of other manufacturers did not fluctuate. Trendforce analysts pointed out that as the AI craze has deeply driven the preparation of relevant supply chains, the revenue of the world's top ten IC design companies in the second quarter reached 38.1 billion US dollars (note on this site: currently about 278.13 billion yuan), a quarter-on-quarter increase 12.5%. TrendForce expects that in the third quarter, the world's top ten IC design revenue will continue to have double-digit quarterly growth, and the output value is expected to hit a new high. Individually, Nvidia benefits from global CSPs (cloud service providers), Internet

2023-09-24 comment 0 1643

MediaTek announces joining Arm for comprehensive design

Course Introduction：According to news from this site on June 5, MediaTek announced on June 4 at the 2024 Taipei International Computer Show that it would join the Arm Total Design (ArmTotalDesign) ecological project. Arm is a comprehensive design company based on ArmNeoverse Computing Subsystem (CSS). Their designs are based on Arm architecture and have a wide range of AI application performance and efficiency requirements in data centers, infrastructure systems and other fields. These designs can not only meet the needs of AI applications in data centers, infrastructure systems and other fields, but also accelerate and simplify the product development process. MediaTek and Arm will work together to provide differentiated solutions through the proven ArmNeoverseCSS to meet complex AI computing needs

2024-06-07 comment 0 397

China-made Pyxis Ocean hard-sailed cargo ship: the world's largest sail-loaded cargo ship, equipped with two 37.5-meter-high sails, sets sail from China

Course Introduction：News from this site on August 22. According to the BBC, a bulk carrier named Pyxis Ocean recently set sail from China to Brazil after installing two "hard sails" with a height of 37.5 meters, becoming the world's largest rigid sail freighter. Each of these WindWing hard sails is composed of three "fins" made of the same material as the wind turbine. The middle one is 10 meters wide and the two side blades are 5 meters wide. The three blades can rotate independently, and the entire hard sail can also rotate together as a whole, maximizing the thrust provided in a variety of different wind forces and wind directions. According to the inquiry on this site, PyxisOcean comes from Mitsubishi Corporation of Japan, and the modification plan is planned by BARTechnologies (the design company of Hard Sail), YaraM

2023-08-24 comment 0 1516

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