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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11270

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 17594

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 11305

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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jQuery HTML5 implements image preview effect before uploading_jquery

Course Introduction：This article mainly introduces jQuery HTML5 to realize the preview effect of images before uploading. It involves the dynamic display effect of jquery operating images. It is very simple and practical. Friends who need it can refer to it.

2016-05-16 comment 0 1998

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 1083

HTML, CSS and jQuery: Tips for achieving image cropping effects

Course Introduction：HTML, CSS and jQuery: Tips for implementing image cropping effects Introduction: In modern web design, implementing image-related special effects is a very common requirement. Among them, the picture cropping effect is a very attractive effect that can add some dynamics and visual effects to the web page. This article will introduce the techniques of using HTML, CSS and jQuery to achieve image cropping effects, and provide specific code examples. 1. Understand the Canvas tag of HTML5: Before implementing image cropping effects, we first need

2023-10-27 comment 0 988

How to use Vue to implement lazy loading effects for images

Course Introduction：How to use Vue to implement lazy loading effects for images. In modern web design, images occupy a large proportion. However, loading all images at once may cause the web page to load slowly and affect the user experience. In order to solve this problem, we can use the lazy loading effect of images, that is, the image will only be loaded when the user scrolls to the visible area. This article will introduce in detail how to use Vue.js to implement lazy loading effects for images, and provide specific code examples. Step 1: Install Vue.js First, install Vue.js in your project. you can

2023-09-19 comment 0 1106

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 0 545

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