Course Intermediate 10916
Course Introduction:"Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.
Course Advanced 16863
Course Introduction:"Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.
Course Advanced 10582
Course Introduction:"Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.
Why do we need to convert types? What are these types used for?
2023-06-18 17:30:16 0 1 646
JavaScript native reference types
Do native reference types in JavsScript, such as the Object type, use the constructor pattern?
2017-06-12 09:30:53 0 3 880
Nuxt `defineProps` from TypeScript types
2023-10-30 11:35:06 0 1 765
Vue 3 migration: Prop type becomes unknown type
2024-03-27 18:37:31 0 1 407
Convert base class instance to derived class without typecasting in typescript
2024-02-25 19:48:09 0 2 344
Course Introduction:PHP弱类型:WordPress Cookie伪造,wordpresscookie。PHP弱类型:WordPress Cookie伪造,wordpresscookie 1 PHP弱类型 PHP是 弱类型 语言,所以变量会因为使用场景的不同 自动进行 类型转换。PHP中用 ==
2016-06-13 comment 0 982
Course Introduction:PHP dynamic typing allows variables to determine their type at runtime, providing flexibility and weak typing for comparing expressions of different types. Practical cases include form data processing, array processing and database query. Considerations include matching comparison types, using strict comparison operators, and type annotations. With understanding and careful use, developers can take advantage of these features to write powerful and reliable PHP programs.
2024-05-08 comment 0 387
Course Introduction:JavaScript's data types are very weak (otherwise it wouldn't be called a weakly typed language)! When using arithmetic operators, the data types on both sides of the operator can be arbitrary. For example, a string can be added to a number.
2016-05-16 comment 0 1182
Course Introduction:The reasons for implicit type conversion in the front end include weak type features, operator overloading, loose comparison and function parameter passing. Detailed introduction: 1. Weakly typed features. JavaScript is a weakly typed language. The type of a variable is determined by the value assigned, not by the type when declared. This means that the type of the variable can change at runtime. This results in the need for type conversion when performing calculations in expressions; 2. Operator overloading, operators in JavaScript can be applied to different types of operands, etc.
2023-11-09 comment 0 690
Course Introduction:Potential errors in PHP function parameter types: Weakly typed languages allow parameters of different types, but this may lead to type conversion problems. PHP automatically converts parameters to the type required by the function, which can cause unexpected results. Avoid pitfalls: always specify parameter types, use type hints, and strictly compare actual types.
2024-04-19 comment 0 455