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Self-study IT network Linux load balancing video tutorial

Course Intermediate 10928

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 16931

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 10632

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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The difference between OTC transactions and C2C transactions

Course Introduction：The main differences between OTC trading and C2C trading are: 1. Trading method: OTC over-the-counter trading, C2C point-to-point trading; 2. Platform: OTC private or specialized platform, C2C formal exchange or platform; 3. Trading objects: OTC large-amount traders , C2C retail investors; 4. Asset ownership: transferred directly after the OTC transaction, and the C2C platform usually holds it until settlement is completed; 5. Settlement method: OTC settlement, C2C settlement through the platform matching system.

2024-07-23 comment 0 980

What are the characteristics of c2c e-commerce?

Course Introduction：Characteristics of c2c: 1. Assistance; for human daily activities, C2C is a buying and selling relationship in which goods and services are exchanged and convenient for each other, and is an auxiliary to normal human purchasing behavior. 2. Saving; C2C transactions should mainly be second-hand goods, and the reuse of second-hand goods itself is a conservation of earth resources. 3. Complexity; the consumer information in C2C, the large amount of virtual product information in C2C, and the small amount of consumer comments and evaluation information all illustrate the complexity of C2C. 4. Creativity; c2c is a creative transaction form for consumers.

2022-11-24 comment 0 24884

Ouyi c2c transaction process

Course Introduction：The steps for OuYi C2C transactions are as follows: visit OuYi C2C platform; select the currency and transaction type; select a reputable merchant; fill in the transaction information and release the payment; the merchant releases the currency; confirm the order and complete the transaction.

2024-07-31 comment 0 231

What is the meaning of C2C buying and selling digital currency? Will C2C buying and selling digital currencies be more expensive?

Course Introduction：Users who prefer to buy and sell digital currencies in a decentralized manner often choose C2C to buy coins, which allows buyers and sellers to establish direct contact. What exactly does C2C currency buying mean? It may be a bit obscure for newcomers, but C2C currency buying is a transaction model that means consumers trade directly with other consumers rather than through middlemen or third-party institutions. This method helps promote digital assets. transaction. Simply put, C2C currency buying refers to the direct purchase and sale of digital currencies between individuals. The editor below will explain in detail to help you understand C2C buying coins. What does C2C buying coins mean? C2C currency buying refers to direct digital currency transactions between users without the intervention of a third party or intermediary agency. Compared with using traditional trading platforms, C2C buying

2024-01-26 comment 0 1978

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