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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11386

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 17699

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 11397

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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Sharp is embarking on a transformation and may take over screen orders for [switch successor models]

Course Introduction：According to the latest report from Nikkei, Sharp is actively adjusting its business strategy to cope with the long-term deficit in its LCD panel business. Recently, Sharp announced a major decision, deciding that its factory in Sakai City will officially end the production of LCD screens for traditional TV products on the 21st of this month. With the rise of new display technologies such as OLED, the market demand for LCD screens has significantly reduced, posing huge challenges to traditional LCD panel manufacturers such as Sharp. Therefore, Sharp has set its sights on a market segment with greater potential - the game console field. According to people familiar with the matter, Sharp is actively in contact with Nintendo, trying to take over the screen order for the "Nintendo Switch successor model" from the world-renowned game company.

2024-08-22 comment 0 965

The panel will be mass-produced in April. It is reported that the Google Pixel Fold 2 mobile phone has an external screen of 6.29 inches and an internal screen of 8.02 inches.

Course Introduction：According to news on March 13, Rose Young, CEO of the screen supply chain consulting company DSCC, recently tweeted that the previous revelations about Google’s Pixel Fold 2 folding screen mobile phone were wrong. He said in a tweet that the internal screen size of Google Pixel Fold2 folding screen mobile phone is 8.02 inches and the external screen size is 6.29 inches, and the panel will begin mass production in April this year. Some users question this and believe that if the inner screen is 8 inches, the outer screen should be at least 6.5 inches. Otherwise, it means that the borders around the outer screen are very thick and cannot compete with domestic mobile phone manufacturers. Ross Young's reply was that the external screen of the Pixel Fold 2 phone is very wide, just like the Pixel Fold 1.

2024-03-14 comment 0 791

China Mobile Migu successfully promoted the domestic standard of AVS3+HDR Vivid on mobile terminals and achieved large-scale commercial use

Course Introduction：According to news from this website on September 25, the Hangzhou Asian Games officially opened on September 23, Beijing time. China Mobile Migu Company announced that as the official rights-holding broadcaster, in the live event service of this Asian Games, on Migu Video, Migu Video iKan Edition creates an AVS3 Eye Color Vision on-demand area, AVS3 live broadcast perspective, and supports HDRVivid localized standard technology. ▲AVS3 on-demand area, picture source official news of China Mobile Migu Company, the same below ▲AVS3 live broadcast perspective Migu Company stated that this is the first time in the industry to achieve large-scale commercial use of mobile AVS3+HDRVivid localized standard fusion point live broadcast, and on small screens Pilot 2K/4K+HDRVivid, large screen pilot 8K+Dual Vivid, in order to promote my country’s independent intellectual property rights

2023-09-25 comment 0 1154

iPhone SE 4 will use the same OLED panel as iPhone 13: supplied by two suppliers, BOE and LG

Course Introduction：According to news on August 1, Apple is expected to launch the next-generation iPhone SE model in 2025. This phone will adopt a more modern design, similar to the iPhone 13/iPhone 14, with wide bangs and narrow borders. According to reports, Apple will reuse the OLED panel from the iPhone 13 in the upcoming iPhone SE4 to reduce costs and simplify the production process. 1. BOE becomes the first supplier of iPhone SE4 display screens. BOE has supplied the 2021 iPad Pro. BOE is expected to occupy about 60% to 70% of the iPhone SE4 display screen, equivalent to 20 million units per year. LG Display will become iPhone SE4O

2024-08-02 comment 0 769

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