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...
我需要一种通过PHP将MYSQL数据库导出到CSV的方法,但我还需要选择列名称。到目前为止,我有以下内容,除了获取列名称之外,它可以完成我需要的一切。
2023-11-04 21:59:58 0 2 279
Please report to developers: PDO::__construct(): Server-sent charset (255) not recognized by client
2023-10-16 10:02:44 0 2 213
2023-09-15 23:36:37 0 1 336
我试图将抓取的数据存储到我的数据库中。只是将结果输出,所以抓取是正常的。但是在定义变量并将其传递给mysql-insert时肯定有错误。我收到消息“成功创建新记录”。变量的结果为空,日期是存在的。
2023-09-15 23:41:06 0 1 212
Course Introduction:SQL数据库表内容误删可尝试以下恢复方法:从备份恢复:如有备份,则恢复最近备份。使用DELETE语句WHERE子句:如果WHERE子句未设条件,可添加限制条件以恢复实际要删除的行。使用事务日志:若日志保留时间足够,可回滚事务以恢复数据。使用第三方数据恢复工具:若以上方法失败,可用这些工具扫描并恢复丢失数据。
2024-06-03 comment 0 655
Course Introduction:PHP跨平台开发中遇到数据库兼容性问题,可以使用以下迁移方案解决:使用PHP数据对象(PDO)提供与数据库无关的接口。编写依赖数据库类型的代码,将代码分为核心逻辑和数据库特定代码。使用数据库迁移工具(例如Liquibase或Flyway)协助架构迁移。
2024-05-18 comment 0 374
Course Introduction:执行计划是数据库优化器生成的有关 SQL 语句如何执行的步骤或执行路径。查看执行计划的方法包括:1. EXPLAIN PLAN 语句;2. V$SQLXSTAT 视图。执行计划通常包含访问路径、过滤器、连接方法、排序顺序和成本信息。通过分析执行计划,可以优化查询性能,例如创建索引、优化连接、重写查询和调整统计信息。
2024-05-13 comment 189
Course Introduction:C++技术可通过利用图形数据库处理大规模图数据。具体步骤包括:创建TinkerGraph实例,添加顶点和边,制定查询,获取结果值,并将结果转换为列表。
2024-05-11 comment 553
Course Introduction:是的,使用 Oracle 数据库需要配置以下环境变量:ORACLE_HOME:Oracle 软件安装目录的路径。PATH:包含 Oracle 可执行文件路径的路径。LD_LIBRARY_PATH(仅适用于 Linux/Unix):包含 Oracle 共享库路径的路径。
2024-05-10 comment 0 870