search_比特幣買賣交易-php.cn

Whole station
Course
Article
Q&A
Download

Self-study IT network Linux load balancing video tutorial

Course Intermediate 11328

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 17632

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 11341

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.

More courses

Update using multiple JOINs in MySQL/Python

The first set of questions were deemed too similar to another post (it wasn't) and were closed... so I've made another attempt here, hopefully better worded this time. Some background: We have a relationship here. Securities (coins) + currencies (base coins) form a pair. A pair and a broker form an asset (I treat each broker/pair as a specific asset) and I also have a forex table that stores live currency rates. In my transaction history table (history_price), there is a column that contains a lot of NULL (Euro volume), and I do calculations based on the volume. What I want to do is fill it,

2023-09-12 21:19:12

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

MoreQ&A

Bitcoin buying and selling transaction steps

Course Introduction：Bitcoin buying and selling transaction steps: 1. Select a trading platform; 2. Register an account; 3. Recharge funds; 4. Buy and sell Bitcoin; 5. Withdraw Bitcoin.

2024-03-14 comment 0 652

How to buy and sell Bitcoin?

Course Introduction：Bitcoin Buying and Selling Trading Guide How to Buy and Sell Bitcoin? There are two main ways to buy and sell Bitcoin: Exchanges: These are the most common platforms for buying and selling Bitcoin. Exchanges provide users with a centralized marketplace where buyers and sellers can conduct transactions. Peer-to-peer trading: This is a way of conducting transactions directly between buyers and sellers. There are no intermediary platforms, so transaction fees are generally lower. Which exchanges is Bitcoin listed on? Currently, there are many exchanges that offer Bitcoin trading services. Here are some of the most famous exchanges out there: Binance Huobi OKX KrakenCoinbase Exchange Selection Guide When choosing an exchange, here are some factors to consider: Security: Does the exchange have good security measures in place to protect user funds? Fees: Exchange

2024-08-22 comment 0 643

How to buy and sell Bitcoin

Course Introduction：Bitcoin buying and selling trading is a financial activity involving the buying and selling of the Bitcoin digital currency. To trade, you need to choose a reputable trading platform, register an account and top up funds. On the platform, traders can buy and sell Bitcoin based on market prices, choosing transaction type, price and quantity.

2024-03-14 comment 0 1066

How to Buy and Sell Bitcoin Trading

Course Introduction：Transaction steps for buying and selling Bitcoin: 1. Select a trading platform; 2. Create an account and complete identity verification; 3. Deposit funds; 4. Buy Bitcoin; 5. Sell Bitcoin; 6. Store Bitcoin

2024-03-28 comment 0 770

Trading platform to buy and sell Bitcoin

Course Introduction：To buy and sell Bitcoin on a trading platform, you need to choose a suitable platform, register an account, recharge funds, select a trading pair, enter the purchase and sale quantity and price, select the transaction type, click the transaction button, and finally withdraw Bitcoin. Trading platforms include centralized exchanges, decentralized exchanges, over-the-counter exchanges, and Bitcoin ATMs, and there are security, liquidity, fees, and features to consider when choosing a platform. When buying and selling Bitcoin, you need to enter the purchase and sale quantity and price, select the transaction type, such as market price transaction or limit price transaction, and click the transaction button to complete the transaction.

2024-03-14 comment 0 1098

MoreTechnical Articles