Course 28791
Course Introduction:A classic introduction to PHP string operations, including how to declare, type conversion, variable parsing, commonly used string functions and practical cases
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.
2023-10-24 13:01:47 0 1 266
是否可以选择名称为字符串的字段?从表中选择“字段名”我需要这个触发器才能具有动态字段名称类似的东西SETfieldname=NEW.`name`;UPDATEtableSETfieldname=1;
2023-10-20 09:39:08 0 2 311
Embracing UTF-8 from start to finish
2023-10-15 12:36:31 0 2 280
2023-10-15 11:44:00 0 2 324
Course Introduction:掌握PHP字符串处理技巧,提升开发效率,包括:1.使用.操作符连接字符串;2.使用substr()函数截取子串;3.使用str_replace()函数替换子串;4.使用preg_match()函数使用正则表达式匹配字符串
2024-05-14 comment 814
Course Introduction:为了优化Go中的字符串操作,有五种方法:预分配缓冲区、避免不必要的字符串连接、使用字节切片、使用Unicode支持,以及在实践中实施这些技巧。
2024-05-12 comment 0 789
Course Introduction:C++ 中的字符串常量:定义: 固定文本值的不变字符序列。创建:双引号:" 用于创建包含文本(保持不变)的字符串。单引号:' 用于创建包含单个字符的字符。特性:值不可变。存储在只读内存中。作为指向实际字符串值的指针存储。用途:显示信息。初始化字符数组。比较文本。作为函数参数。
2024-05-12 comment 0 502
Course Introduction:SQL 中的字符串常量是用于表示文本数据的特殊值,以单引号 (') 或双引号 (") 括起来,可以包含任何字符。它们有两种类型:单引号字符串常量和双引号字符串常量,广泛用于条件指定、数据提供、派生列创建和函数参数。通常使用单引号,但双引号可以包含单引号字符和跨多行。
2024-05-08 comment 906
Course Introduction:在 JavaScript 中,字符串常量用引号标记,包括单引号和双引号,也可使用转义字符 () 转义特殊字符。此外,可以使用反引号(`)创建多行字符串。
2024-05-01 comment 868