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Front-end Vue3 actual combat [handwritten vue project]

Course2857

Course Introduction：Course introduction: 1. Cross-domain processing, token management, route interception; 2. Real interface debugging, API layer encapsulation; 3. Secondary encapsulation of Echarts and paging components; 4. Vue packaging optimization and answers to common problems.

APIPOST tutorial [Popularization of technical concepts related to network communication]

Course1795

Course Introduction：Apipost is an API R&D collaboration platform that integrates API design, API debugging, API documentation, and automated testing. It supports grpc, http, websocket, socketio, and socketjs type interface debugging, and supports privatized deployment. Before formally learning ApiPost, you must understand some related concepts, development models, and professional terminology. Apipost official website: https://www.apipost.cn

Issue 22_Comprehensive actual combat

Course5521

Course Introduction：(Consult WeChat: phpcn01) The comprehensive practical course aims to consolidate the learning results of the first two stages, achieve flexible application of front-end and PHP core knowledge points, complete your own projects through practical training, and provide guidance on online implementation. Comprehensive practical key practical courses include: social e-commerce system backend development, product management, payment/order management, customer management, distribution/coupon system design, the entire WeChat/Alipay payment process, Alibaba Cloud/Pagoda operation and maintenance, and project online operation. .....

Issue 22_PHP Programming

Course5172

Course Introduction：(Consult WeChat: phpcn01) Starting from scratch, you can solve conventional business logic, operate MySQL with PHP to add, delete, modify, and query, display dynamic website data, master the MVC framework, master the basics of the ThinkPHP6 framework, and learn and flexibly master all knowledge involved in PHP development. point.

Issue 22_Front-end development

Course8713

Course Introduction：(Consult WeChat: phpcn01) The learning objectives of the front-end development part of the 22nd issue of PHP Chinese website: 1. HTML5/CSS3; 2. JavaScript/ES6; 3. Node basics; 4. Vue3 basics and advanced; 5. Mobile mall/ Website background homepage layout; 6. Automatic calculation of tabs/carousels/shopping carts...

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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

Functionality without using
html to add line breaks
I'm currently learning VueJS and I've made a simple app that pulls information from an API and displays facts about a country based on a given 2 letter country code. Data retrieved from the API is mapped to country and properties. It stores detailed information about a country such as time zone, currency, population, etc. But some information is missing for some countries. I've been trying to get the UI to display a line break when one of the pieces of information is missing. Here, if the obtained data is null or an empty array, country and p
2023-09-08 15:34:08

Comparing floating point calculations in Node.js: Differences between Intl.NumberFormat and decimal.js libraries
I want to understand the difference between Intl.NumberFormat and decimal.js libraries. If Intl.NumberFormat can handle monetary calculations, what does the decimal.js library do and what are its advantages over it? This question is specifically for Node.js (probably version 14+).
2023-09-01 22:44:01

How to convert currency string to floating point number using Javascript
I have a textbox that will have a currency string in it and I need to convert that string to a double precision float to perform some operations. "$1,100.00"→1100.00 This needs to be done on the client side. I have no choice but to keep the currency string as input, but need to cast it to a double precision float for some math operations.
2023-08-23 22:49:40

Fix currency format issue in PHP
numfmt_format_currency(new NumberFormatter('en',2), 31.005, "USD") This code outputs $31.00. But it should output $31.01. How to resolve this issue???This code outputs $31.00. But $31.01 should be output. how to solve this problem? ?
2023-08-08 22:10:55

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一文搞懂币圈现货应该怎么玩？币圈现货玩法介绍

Course Introduction：币圈现货交易是当前一种非常流行的交易方式，它是指实物货币的交易，交易双方直接以实际拥有的数字资产进行买卖，即以现实时间点的实际价格进行交易，也可以选择把数字货币提取到自己的数字钱包中，实现自主管理。因其简单直接，现货交易更适合新手和普通投资者参与。即便再简单也有人不知道币圈现货应该怎么玩？其实玩现货很简单的，可以在欧易、币安等交易所内进行，下面小编为大家详细说说。币圈现货应该怎么玩？玩币圈现货很简单，可以在欧易、币安、火币等等交易所内进行，下文就是在欧易交易所玩现货的详细教程：1、打开欧易OKX交易所官网

2024-05-29 comment693

What is the significance of the total market capitalization of cryptocurrencies in the currency circle?

Course Introduction：In different investment fields, there are standards to judge the development of the market. The same is true in the cryptocurrency market. To measure the size and value of the entire cryptocurrency market, it is essential to evaluate the total market value. Cryptocurrency The total currency market capitalization refers to the total value of all digital currencies in the market. It is calculated by multiplying the current market price of each digital currency by its total supply and then adding these results. This cryptocurrency is calculated What is the meaning of total currency market capitalization? If anyone has questions, let me explain in detail below. What is the significance of the total market capitalization of cryptocurrencies in the currency circle? The significance of the total market capitalization of cryptocurrency in the currency circle is to measure the cryptocurrency market size, industry trends, valuation, investor sentiment and market risk. 1. Market size: Total market capitalization of cryptocurrency

2024-02-12 comment 0274

币圈平台数字货币交易平台排行

Course Introduction：数字货币交易平台排行：币圈平台探秘在当今快速发展的数字经济时代，区块链和虚拟货币已经成为了人们关注的焦点。作为区块链和虚拟货币的重要一环，数字货币交易平台的重要性不言而喻。然而，随着市场的不断扩大，越来越多的交易平台涌现出来，投资者面临着选择困难。为了帮助投资者更好地了解币圈平台，本文将深入分析数字货币交易平台排行，挖掘各个平台的特点和优势。1.币安（Binance）作为全球的数字货币交易平台之一，币安在币圈中拥数字货币有着广泛的声誉和用户基础。币安提供了多种数字货币的交易对，几乎覆盖了市场上所有知名的加

2024-07-27 comment401

币圈虚拟货币软件榜单一览

Course Introduction：币圈虚拟货币软件榜单一览虚拟货币是以算法加密方式创建并以数字形式存在的一种货币。自比特币诞生以来，虚拟货币如雨后春笋般涌现，同时也催生了大量的虚拟货币平台软件。翻开币圈虚拟货币软件榜单一览，我们能够看到一些知名的虚拟货币平台软件。如何选择虚拟货币平台软件在选择虚拟货币平台软件时，不少投资者都会遇到一个问题，那就是如何选择虚拟货币平台软件。实际上，在选择虚拟货币平台软件时，我们需要考虑安全性、交易量、交易手续费等多个方面。其中，安全性是最首要的一点，一个好的平台应该采用SSL保护机制和双重身份验证

2024-08-01 comment 0741

币圈期货什么意思？新手要怎么玩?

Course Introduction：币圈期货是一种金融衍生品，允许交易者预测和交易加密货币的未来价格。期货合约约定在未来特定日期以特定价格交易特定数量的标的资产。新手可以通过以下步骤玩转币圈期货：1.选择可靠的交易所；2.了解市场；3.设定交易策略；4.了解杠杆；5.管理风险；6.耐心且自律。注意：币圈期货风险较高，在交易前应做好风险管理。

2024-08-08 comment

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