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...
How to convert currency string to floating point number using Javascript
2023-08-23 22:49:40 0 2 284
How to solve the nginx 502 error caused by massive local access under Windows?
2018-10-17 10:30:36 0 0 582
Why are the two return methods of the microtime() function in PHP different in precision?
2017-05-24 11:33:37 0 1 398
早知道在java中,浮点运算会出现不精确的情况。解决方案是BigDecimal类。今天发现个问题: {代码...} {代码...} 只要没有整数位的都会出现问题?Why?
2017-04-17 17:38:20 0 2 198
2017-04-17 13:31:30 0 1 206
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: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:Methods to solve the problem of loss of accuracy in PHP floating-point calculations. In PHP, since the essence of floating-point numbers is binary representation, it will cause the problem of loss of accuracy when performing calculations. This problem is particularly important in some scenarios that require high accuracy. In order to avoid the loss of precision caused by floating-point number calculations, we can adopt some methods to ensure the accuracy of calculation results. 1. Use PHP built-in functions for accurate calculations. PHP provides some built-in functions to solve the problem of loss of accuracy in floating-point calculations, such as: bca
2024-02-27 comment 0 923
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
Course Introduction:How to solve the problem of floating point calculation accuracy in Python? In computer science, floating-point calculation accuracy is one of the common challenges. Since computers use limited bits internally to represent floating-point numbers, there may be a loss of precision when representing and operating certain decimals. Python, as a powerful programming language, provides some methods to solve this problem. A common way to solve the problem of precision in floating point calculations is to use the Decimal class. Decimal class provides higher precision
2023-10-19 comment 0 251