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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11332

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 17635

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 11348

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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CSS method to achieve the click-to-enlarge effect of product images

Course Introduction：Pure CSS to realize the image click-to-enlarge effect with a close button is a source code that uses simple CSS code to achieve the image click-to-enlarge effect. It has certain reference value. Interested friends can refer to it.

2017-03-08 comment 0 2861

How to enlarge images with css? (example of cool special effects)

Course Introduction：This article mainly introduces how to use CSS to realize the image magnification function, that is, use the mouse to slide over the image to make it hover and enlarge. The overall special effect can attract users to click on the product image.

2018-08-06 comment 0 5192

Create image text layout preview effect based on Jquery with source code download_jquery

Course Introduction：Through the combination of jquery and css, the mouse click on the picture pops up the gallery switching effect, and the effect is lifelike. Below I will share the source code with you for your reference.

2016-05-16 comment 0 1782

Quick Editing: iOS 17 Tips to Quickly Crop Photos on iPhone

Course Introduction：With the Photos app in iOS 17, it's now easier to crop photos from your iPhone to the size you need. Previously in iOS 16 or older versions, cropping an image in the Photos app required several steps: tap the editing interface, select the crop tool, and then use the pinch-to-zoom gesture or drag the crop tool to adjust the crop. In iOS 17, Apple has simplified this process, and when you zoom in on any selected photo in your photo library, a new "crop" button automatically appears in the upper right corner of the screen. Click it to open the full cropping interface with the image, and you can instantly crop it to the right size or content. You can also rotate the image, invert it, apply screen ratio, or use the markup tool with just a tap. few times

2024-01-12 comment 0 1109

How to use the round photo magnifying glass on iPhone. Must-see: How to use photo magnifying glass on iPhone with special effects

Course Introduction：Every time you see some cute photos posted on your friends’ social media, you really want to get one of them, right? Especially for the magnifying glass effect, which third-party app is used? If you are an iPhone user, you can actually set it up like this in the photo album! Want to add cute magnifying glass effects to your photos? Very simple! Once you open the camera photo on your iPhone, you can set it up! Step 1: Open the photo on your phone, select a photo you want to apply special effects to, and click Edit. Step 2: Click the pen icon. Step 3: Click the + icon in the lower right corner. Step 4: Then the option will appear. Click the magnifying glass. Step 5: Drag the magnifying glass. Adjust the position, the green dot can adjust the magnification, and the blue dot can adjust the magnifying glass size. This is done! You should try it quickly!

2024-02-06 comment 0 1329

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