Course 2857
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.
Course 1795
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
Course 5521
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. .....
Course 5172
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.
Course 8713
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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Windows - Help with Java high-precision operation problems
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Course Introduction:How to solve the problem of precision of floating point operations in Java development Summary: In Java development, due to the particularity of floating point numbers, problems of precision of floating point operations are often encountered. This article will introduce several common solutions: using the BigDecimal class, using integer operations instead of floating point operations, using precision processing libraries, and paying attention to the order of operations and precision loss. 1. Introduction In Java development, floating point number operations often encounter precision problems. This is because of the particularity of the way floating point numbers are stored in computers, resulting in some inaccurate
2023-06-29 comment 0 1372
Course Introduction:In daily programming, we often use various programming languages to handle various numerical operations, among which JavaScript is undoubtedly the most widely used one. However, when dealing with complex numerical calculations in some extreme cases, we may encounter situations where the operation results lose precision. So why does this happen? How to avoid loss of calculation precision? 1. Reasons for loss of operation precision In JavaScript, one of the main reasons for loss of operation precision is the inaccuracy of floating point numbers. Numbers in JavaScript
2023-04-21 comment 0 1062
Course Introduction:When writing JavaScript code, we are likely to encounter the problem of loss of computational precision. When faced with this situation, you need to understand its causes and take appropriate measures. First, we need to know that JavaScript uses the IEEE 754 standard floating point type to represent numbers. This type of memory has a fixed range of numbers that can be represented and their precision. Since the precision of the floating-point number type is fixed, precision loss may occur when the operation result exceeds its range. For example, when operating on larger numbers, the following small
2023-04-21 comment 0 640
Course Introduction:As a scripting language, PHP is widely used in Web development, and its flexibility and ease of use are favored by many developers. However, when using PHP for floating-point operations, precision distortion is often encountered, which brings certain challenges to the development process. This article will conduct an in-depth analysis of the accuracy distortion problem of PHP floating point operations and provide specific code examples. 1. Problem Description Floating point numbers are a data type that represents decimals. However, because the computer uses binary to represent floating point numbers internally, most decimals cannot be accurately expressed in binary.
2024-02-27 comment 0 676
Course Introduction:This article will introduce you to PHP's processing of floating point numbers, precision operations, number processing, etc. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.
2021-05-14 comment 0 5540