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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11312

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 17626

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 11330

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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Splendid accompanies the arrival of spring. The new welfare event 'Splendid Colorful Clothes' in 'Jian Wang 3: Origin' is here!

Course Introduction：I wish you a happy spring with wine and auspicious snow flying all over Chang'an. The new welfare event "Splendid Clothes" of "Jian Wang 3: Origin" is launched today. The Hidden Yuan Secret Treasure · Memories can be exchanged for free. New customized outerwear, special effects floats and interesting mounts, cute pets, facial expressions, head expressions, etc. are simultaneously available. The auspicious dragon celebrates the new year with extra benefits, including New Year fireworks and cloud point card purchases. The recharge and spending gifts have been renewed, with Year of the Dragon theme customization, exquisite backpacks and waist hangings waiting to be collected! The green hills are painted with brocade, and the skirts are folded and woven. From 7:00 on January 22 to 7:00 on March 4, the new welfare event "Splendid Clothes" will be launched with many new products. By completing tasks during the event, you can obtain a corresponding number of event tokens "Yun Jin Hua Petals", which can be exchanged for discount coupons to purchase customized exteriors "Seeing Green Mountains" and special

2024-01-23 comment 0 911

Expand your web design skills and learn the properties of the canvas tag

Course Introduction：Title: Understand the properties of the canvas tag and improve web design capabilities (including code examples) Text: With the rapid development of the Internet, web design is becoming more and more important. To create beautiful and rich user experiences, developers are constantly looking for new technologies and tools. The canvas tag is one of them, which provides a powerful drawing API that allows developers to draw graphics, animations and other visual effects on web pages. When we talk about the canvas tag, we have to mention some of its important attributes. These attributes

2023-12-28 comment 0 1222

How is the sword fairy in Peach Blossom Spring mobile game? Career selection guide in Peach Blossom Spring mobile game. Explore your own fantasy wonderland.

Course Introduction：Introduction: In recent years, with the rapid development of mobile Internet, more and more high-quality mobile games have come to the fore. "Peach Blossom Spring" is a mobile game full of fairy tales. With its exquisite graphics, rich plot and unique career settings, it has been loved by the majority of players. This article will give you a detailed analysis of the mobile game "Peach Blossom Spring". Career options to help you find the dream wonderland that best suits you. Classification and characteristics of professions. There are five major professions in the mobile game "Peach Blossom Spring", namely Sword Immortal, Piano Demon, Painting Saint, Medical Immortal and Chess Hero. Each profession has its own unique skills and gameplay. Let's take a look at them one by one below. learn. 1. Sword Immortal Sword Immortal is a typical output profession in the game. It is famous for its powerful attack power and high-speed movement ability. Sword Immortal’s skills are mainly based on sword energy attacks and can quickly attack.

2024-07-17 comment 0 379

In-depth analysis of Canvas: revealing the power of drawing functions

Course Introduction：Analysis of Canvas features: To reveal its powerful drawing function to you, specific code examples are needed. In recent years, with the rapid development of the mobile Internet, more and more developers have begun to pay attention to HTML5 technology, among which Canvas is the most important new feature in HTML5. One of the most widely used in web development. Canvas is an HTML element used for drawing graphics, animations, games, etc. Its powerful drawing function allows developers to achieve various exquisite visual effects. One of the characteristics of Canvas is its simplicity

2024-01-06 comment 0 994

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