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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11425

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 17717

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 11416

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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How to buy TrueUSD coins? Tutorial on buying TrueUSD coins

Course Introduction：Steps on how to buy TrueUSD coins: Choose an exchange that supports TrueUSD coin trading. Register an account and complete identity verification. Recharge fiat currency. Buy TrueUSD coins. Withdraw TrueUSD coins to your cryptocurrency wallet. Risk Analysis Market Volatility Risk Exchange Risk Regulation Risk Technology Risk Investment Value Risk Summary Before purchasing TrueUSD coins, investors need to fully understand its relevant information and be prepared to take risks.

2024-03-05 comment 0 951

How many trb coins are issued?

Course Introduction：The total issuance of TRB coins is 90 billion. The issuance distribution ratio and schedule are as follows: Public sales: 30% (27 billion coins) Team and advisors: 15% (13.5 billion coins) Ecosystem Fund: 10% (9 billion coins) Marketing and operations: 10% (9 billion coins) Community governance: 5% (4.5 billion coins) Strategic reserves: 5% (4.5 billion coins) Mining rewards: 15% (13.5 billion coins) Early investors: 10% (

2024-07-05 comment 0 1143

How to buy CHZ coins? Tutorial on buying CHZ coins

Course Introduction：There are five steps to purchasing CHZ coins: choose an exchange that supports CHZ coins, register and verify the account, recharge fiat currency, purchase CHZ coins on the trading interface, and withdraw CHZ coins to your cryptocurrency wallet. How to Buy CHZ Coin: A Step-by-Step Guide Introduction CHZ Coin is a utility token based on the Ethereum blockchain and issued by sports and entertainment platform Chiliz. CHZ coins can be used to purchase fan tokens (FanTokens) on the Chiliz platform, allowing currency holders to participate in the decision-making and reward programs of their favorite teams or players. Steps to purchase CHZ coins 1. Select an exchange. Exchanges that support CHZ coin trading include: Binance Huobi OK

2024-04-10 comment 0 721

Where to buy SFD coins? How to buy SFD coins? List of SFD coins listed on online exchanges

Course Introduction：SFD coins can be purchased on exchanges such as XT.COM, BKEX, BitMart, Gate.io, and Bibox. The purchase process includes: registering an exchange account, recharging assets, exchanging SFD coins, and receiving SFD coins. As of press time, SFD coins have been listed on XT.COM, BKEX, BitMart, Gate.io, Bibox and other exchanges. It is recommended to check the exchange announcements for the latest transaction details.

2024-07-30 comment 0 1059

Where can I buy GME coins? GME coin listing on online exchanges

Course Introduction：GME coin is a virtual currency based on blockchain technology. The return of RoaringKitty has promoted the rise in the price of GME coin. According to data, GME coin has an astonishing increase of more than 1800%. Such an increase is a strong attraction for investors, and they can’t wait to know where to buy GME coins? For now, it is mainly purchased on exchanges such as CoinEX, Bitget, MEXC, Gate.io, and XT.COM. Where can I buy GME coins? GME coins can be purchased on online exchanges. Currently, GME coins are listed on exchanges such as CoinEX, Bitget, MEXC, Gate.io, and XT.COM. The following are some

2024-06-05 comment 0 1076

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