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Self-study IT network Linux load balancing video tutorial

Course Intermediate 10977

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 17041

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 10740

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.

More courses

objective-c - How to cancel the view's color dimming problem when transitionWithView flips UIView?

If you want to make an animation similar to flipping the front and back of a card, using the transitionWithView method of UIView will cause the color of the flipped view to darken. If the background color of the view is white, there will be flickering and black center lines when flipping. , the effect is very bad, please give me some advice...

2017-06-21 10:11:50

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

MoreQ&A

How to set dimming for Xiaomi tablet 6dc

Course Introduction：Many users are curious about how to set up the DC dimming of the Xiaomi Mi Pad 6. After turning on the DC dimming, it can reduce the flicker and protect our eyes in dark light environments. This function needs to be entered into the settings. Open. How to set dimming on Xiaomi Mi Pad 6dc 1. Enter settings 2. Click "Display" and find "Brightness" 3. Scroll down to find "Anti-flicker Mode" 4. Select this mode and turn it on.

2024-02-07 comment 0 647

Foreigners perform dimming frequency comparison test on Samsung Galaxy S24 Ultra and iPhone

Course Introduction：According to news on January 27, some media found that the PWM dimming frequency of Samsung Galaxy S24 Ultra is 492Hz, which is higher than the iPhone’s 480Hz. Previously, the PWM dimming frequency of Samsung Galaxy series models was 240Hz. Apple also had 240Hz PWM dimming many years ago. Starting from the iPhone 13 series, the screen dimming frequency has been increased to 480Hz. This time, the three models of Samsung Galaxy S24, Galaxy S24+ and Galaxy S24 Ultra all support 492Hz PWM dimming, which is a little higher than the iPhone dimming frequency. The tester said he has been using the Galaxy S24 Ultra for the past few days and found it to be faster than the G

2024-01-28 comment 0 610

How to turn off Apple low frequency pwm dimming

Course Introduction：How to turn off Apple's low-frequency PWM dimming: 1. In the phone's settings, find the "Display and Brightness" option; 2. Click "Display and Brightness" to open the "Night Shift" option; 3. Turn off the night shift function to turn off the low frequency pwm dimming.

2023-05-31 comment 0 3978

Does Xiaomi 12 have DC dimming function_How to set up Xiaomi 12 DC dimming function

Course Introduction：1. Smarter and more environmentally friendly, and able to save power. 2. When the stroboscopic effect is reduced, the eyes can be protected and the eyes will not be hurt even if used for a long time. 2. DC dimming setting method: First open the [Settings] of the phone, then click [Display], then click [Anti-flicker Mode], and finally switch on the mode selection page to turn on the DC dimming function. The model has not yet been released, please refer to the information released on the official website.

2024-04-19 comment 0 843

How to turn on DC dimming on iqooz9?

Course Introduction：The much-watched mobile phone brand iQOO has launched its latest smartphone iQOO Z9. As a high-performance mobile phone, iQOOZ9 not only has a powerful processor and excellent photography functions, but also adds a surprising new feature - DC dimming. The editor below will introduce to you how to turn on iQOOZ9 DC dimming. How to turn on DC dimming on iqooz9? 1. First open the settings menu and find the system management option. 2. Then select Developer Options. 3. Then turn on the button on the right side of low brightness anti-screen flicker. Whether reading in a low-light environment or taking screenshots at night, iQOOZ9 can provide appropriate brightness to help users better enjoy the functions of the phone. All in all, iQOOZ

2024-03-18 comment 0 1275

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