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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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Global Cryptocurrency Exchange

Course Introduction：1. Useful global cryptocurrency exchanges include: Binance, Huobi, OKX, Bittrex, KuCoin, Coinbase, Kraken, Gemini, Bybit, FTX. 2. Binance Exchange: The world's largest cryptocurrency exchange, providing a wide range of trading pairs, low fees and a variety of transaction types. 3. Huobi Exchange: An established cryptocurrency exchange that provides a variety of cryptocurrency and fiat currency trading pairs, as well as financial derivatives.

2024-07-19 comment 0 985

Cryptocurrency Trading Platforms What are the trading platforms for cryptocurrencies?

Course Introduction：Cryptocurrency Trading Platforms With the rise of cryptocurrency, trading platforms are constantly emerging to provide users with safe and convenient cryptocurrency trading services. This article will introduce several well-known cryptocurrency trading platforms to help readers gain a deeper understanding. 1. CoinbaseCoinbase is one of the world's largest cryptocurrency trading platforms, headquartered in the United States and established in 2012. Initially, Coinbase only supported Bitcoin trading, but has now expanded to support several different cryptocurrencies such as Ethereum, Litecoin, and more. Coinbase is known for its user-friendly interface and advanced security measures, attracting users across the globe. 2.BinanceBinance is a cryptocurrency exchange based in Malta

2024-02-09 comment 0 939

What do currency-to-crypto transactions and fiat currency transactions mean?

Course Introduction：Cryptocurrency trading directly exchanges cryptocurrencies for cryptocurrencies, while fiat trading uses fiat currencies to buy and sell cryptocurrencies. Both counterparties in currency-to-crypto transactions hold cryptocurrency and use cryptocurrency as a medium; while in fiat currency transactions, one party holds legal currency and the other party holds cryptocurrency and exchanges use legal currency as a medium.

2024-07-24 comment 0 726

Easy to Use Cryptocurrency Trading Software Top 10 Cryptocurrency Platforms

Course Introduction：Easy-to-Use Cryptocurrency Trading Software: Top 10 Cryptocurrency Platforms In today’s digital age, cryptocurrencies have become a much-discussed digital asset. To trade and manage cryptocurrencies, people often use cryptocurrency trading software. Since there are numerous trading softwares on the market, this article will introduce the top ten cryptocurrency platforms and provide an in-depth analysis of them. 1.BinanceBinance is one of the world's leading cryptocurrency exchanges, providing comprehensive cryptocurrency trading services. Binance trading software is highly scalable and provides a variety of practical functions such as market analysis, in-depth market information, recent transactions and transactions. Binance also supports multiple languages, making it convenient for users around the world. 2.CoinbaseCoin

2024-08-01 comment 0 297

How to trade cryptocurrencies

Course Introduction：Cryptocurrency has become a hot topic in the current financial market, and one of its major features is that it can be traded through blockchain technology. In the past few years, the cryptocurrency trading market has experienced rapid development, and various cryptocurrency trading platforms have sprung up. This article will explore how cryptocurrencies are traded and explain how to conduct them safely. We need to understand the basic concepts of cryptocurrency trading. Cryptocurrency is a digital asset based on cryptography that is securely controlled through the use of encryption algorithms. Blockchain technology is the underlying technical support of encrypted digital currency. It is a distributed ledger technology that can ensure the transparency and security of transactions. Cryptocurrency trading refers to

2024-07-31 comment 0 599

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