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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11360

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 17663

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 11379

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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Why can't Excel use keyboard arrows to switch cells? How to solve the problem that Excel tables can't use keyboard arrows to switch cells

Course Introduction：1. The keyboard as shown below. In the Excel table, the red mark [1] is the ScrollLock indicator light. ScrollLock means [scroll lock]. When the indicator light is on, operating the arrows on the keyboard in the Excel table will move the scroll bar framed in Figure 2. When the indicator light is off, operating the arrows on the keyboard in the Excel table will move the operable cell position. 2. The button that controls the light on and off is the keyboard marked in red [2] in Figure 1 above. Click this keyboard button with your hand to change the status of the scroll lock indicator light.

2024-04-17 comment 0 950

HTML, CSS and jQuery: Techniques for achieving image transparency switching effects

Course Introduction：HTML, CSS and jQuery: Tips for realizing image transparency switching effects In modern web design, image transparency switching effects have become a very common design element. By controlling the transparency changes of images, you can add dynamic effects to web pages and improve user experience. To achieve such special effects, we can use HTML, CSS and jQuery. The specific techniques will be introduced below, with code examples attached. HTML part First, we need to create pictures and corresponding control buttons in HTML

2023-10-25 comment 0 1409

jQuery plug-in multiScroll realizes full-screen mouse scrolling switching page special effects_jquery

Course Introduction：What this article shares with you is a jQuery full-screen (full-screen) scrolling plug-in web page special effect. Roll the mouse wheel to switch the entire screen to one screen. You can set the text/picture to display the JS code absolutely up, down, left, right, and center. The most popular jQuery full-screen scrolling nowadays. Plug-in! (Compatibility test: IE6 and above, Firefox, Chrome, Opera, Safari, 360 and other mainstream browsers)

2016-05-16 comment 0 1120

jquery has index button and automatic carousel switching special effects code sharing_jquery

Course Introduction：This article mainly introduces the special effects of automatic carousel switching with index buttons implemented by jquery. The pictures are simple and elegant. Interested friends can refer to it.

2016-05-16 comment 0 1380

How to stop scrolling subtitles in Edius

Course Introduction：Click the Create Subtitles button on the Timeline panel, enter text on the subtitle track T track, keep the subtitle type still, and click Save. In the special effects panel, click the small plus sign in front of [Subtitle Mixing] to display all subtitle special effects. 3. Select and drag the special effect [Flying into A] or [Flying into B] to the subtitles according to your needs; [Flying into A] means that the subtitles start from the bottom of the screen and scroll upwards, and [Flying into B] starts from the video material. Scroll up below. On the gray bar below the subtitle bar, you can see that it is clearly divided into three parts. The ones on both sides represent the subtitle rolling time period, and the middle one is the duration of the EDIUS rolling subtitles stay. You can move the cursor to the segments on both sides like the picture above, and left and right arrow symbols will appear. You can change the scrolling and stopping of EDius subtitles at will.

2024-04-17 comment 0 587

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