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...
Optimize your use of interval functions
2023-09-14 16:24:44 0 1 238
New title: Calculate and update a token's remaining expiration time
2023-08-26 23:13:42 0 1 278
Please ask for help. After obtaining the K line, the time only displays the current time.
2022-02-17 00:00:54 0 0 807
javascript - rounding down in js
2017-06-26 10:55:11 0 5 742
Course Introduction:INTERVAL 函数用于计算两个时间值之间的差值,返回特定时间间隔内的结果。用法: INTERVAL(时间间隔单位 时间间隔),其中时间间隔单位包括 DAY、HOUR、MINUTE 等。
2024-05-24 comment 539
Course Introduction:Oracle 中的 INTERVAL 类型用于表示时间段,包含时间单位(如天、小时)和时间数量(如 3、10);它常用于计算日期或时间值之间的差异,其语法为 INTERVAL time_value time_unit,其中 time_value 是时间数量,time_unit 是时间单位,如 YEAR、MONTH、DAY 等;例如,计算两个日期之间的天数:SELECT INTERVAL '2023-06-15' -
2024-05-08 comment 434
Course Introduction:Oracle 中的 INTERVAL 数据类型用于表示时间间隔,语法为 INTERVAL <精度> <单位>,可使用加减乘除运算操作 INTERVAL,适用于存储时间数据、计算日期差值等场景
2024-05-08 comment 457
Course Introduction:我们可以通过提供第一个参数作为列的名称来对表的列使用INTERVAL()函数。在这种情况下,该列中的所有值将与作为INTERVAL()函数的其他参数给出的值进行比较,并在比较的基础上提供结果集。
2023-09-12 comment 0 552
Course Introduction:众所周知,CURDATE()仅返回日期单位,因此将时间单位的INTERVAL与CURDATE()一起使用会产生歧义。MySQL总是用“00:00:00”时间表示当前日期,因此当我们将时间单位的INTERVAL与CURDATE()一起使用时,这种时间算术会考虑到这个时间。
2023-09-11 comment 0 1055