Course 2545
Course Introduction:Promise is the most important and difficult technology in ES6. Interviews with medium and large companies will ask about the implementation of front-end Promise. This video tutorial starts from the most basic callback/exception syntax, to the basic use of Promise; from technical analysis of Promise difficulties, to step-by-step handwritten Promise implementation, extended async and await in-depth analysis, macro queue and micro queue detailed explanation; and finally through Classic interview questions to test the effect of Promise learning. After passing the level, you will become a Promise senior engineer.
Course 9618
Course Introduction:WeChat Mini Program provides a simple and efficient application development framework and rich components and APIs to help developers develop services with native APP experience in WeChat. This course introduces the development language, framework, capabilities, debugging, etc. of mini programs in detail, helping developers quickly and comprehensively understand all aspects of mini program development.
Course 6269
Course Introduction:HTTP is a simple request-response protocol that usually runs on top of TCP. It specifies what kind of messages the client may send to the server and what kind of response it gets. Web servers generally refer to website servers. Currently, the three most mainstream web servers are Apache, Nginx, and IIS.
Course 7440
Course Introduction:Many programmers who have worked for many years still have a very basic understanding of databases. They are confused as soon as they go out for interviews. They don’t understand basic SQL statements, more complex SQL queries, and SQL statement optimization. They don’t even know how to use them. Redis improves system performance and can withstand tens of millions of concurrencies. This set of courses will help you thoroughly understand MySQL locks, execution plans, indexes, MVCC & Redis transactions, cache, breakdown, penetration, avalanche, warm-up, etc., and you can complete all database interviews in one set!
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.
Best way to preload route data before accessing the route.
在为给定路由渲染页面之前,我想首先同步获取必要的数据。理想情况下,我希望在页面组件中获取数据,但我不反对在路由器文件中执行此操作。
2023-11-17 14:54:42 0 2 379
Vue 3 and Vuetify 3 access SCSS/SASS variables in components
2023-11-17 13:52:29 0 1 293
2023-11-17 12:38:53 0 2 394
2023-11-16 19:00:36 0 1 277
Using triggers and constraints to limit the number of records in MySQL
我写了这个触发器,但我不确定:CREATETRIGGERBFFC
2023-11-14 13:35:02 0 4 434
Course Introduction:通过交管 12123 绑定非本人驾驶证需要满足:您是车辆所有人或管理人、持证驾驶员在您名下有驾驶授权。具体步骤:下载并注册交管 12123 App,实名认证,绑定车辆,录入非本人驾驶证,填写授权信息,上传授权委托书,提交审核。
2024-07-05 comment 615
Course Introduction:通过交管12123绑定机动车需要以下步骤:安装交管12123应用;注册或登录;进入车辆管理;添加车辆;输入车辆信息;验证信息;选择绑定方式;填写绑定信息;完成绑定。
2024-07-05 comment 171
Course Introduction:是,交管12123 App 支持绑定最多三本驾驶证。用户可依次执行以下操作:登录 App 并点击“添加驾驶证”。扫描驾驶证二维码,验证信息。绑定成功后,上传另一本驾驶证照片。
2024-07-05 comment 990
Course Introduction:如何下载 12123 交管事故认定书?下载 12123 手机应用并登录;进入“事故快处”功能,选择“我的事故”;查找需要下载的事故,点击进入事故详情页面;点击查看电子事故认定书,然后下载 PDF;保存事故认定书 PDF,可将其保存到本地设备或云端存储
2024-07-05 comment 688
Course Introduction:Java框架限制定制化代码开发:内建功能限制:框架提供的功能可能限制特定数据库模式或自定义查询。耦合和扩展性问题:框架将应用程序逻辑与框架实现耦合,修改定制化代码时可能需要修改框架代码,降低扩展性。使用扩展点:扩展框架特定功能,避免修改框架代码。保持解耦:使用接口或抽象类保持定制化代码与框架逻辑解耦。遵守框架约定:遵循框架的命名约定和设计模式,避免错误。实战案例:通过扩展点开发自定义数据
2024-07-05 comment 808