Article directory Basic usage of mixins Common usage of mixins Advantages of Mixins Disadvantages of Mixins Mixins usage scenarios: Avoid overuse of mixins ?Creator: Full stack trendsetter Personal homepage: The personal homepage of the full-stack trend-setter ? Personal community, you are welcome to join: a personal community for full-stack trendsetters Column address: vue2 advanced Vue […]
Tag: usability
09 | Usability Improvements II: Literals, Static Assertions, and Member Function Specifiers
In this lesson we continue the topic of usability and look at other usability improvements brought by modern C++. Custom literals Literals refer to fixed constants written in source code. They can only be primitive types in C++98, such as: “hello”, string literal, type is const char[6] 1. Integer literal, type is int 0.0, floating […]
08 | Usability improvements I: Automatic type inference and initialization
In the previous lectures, we have been more or less exposed to some of the new features added since C++11. In the next two lectures, I will focus on the usability improvements brought by modern C++ (C++ 11/14/17). Automatic type inference If you were to pick the most significant changes brought by C++11, automatic type […]
Develop a list page of high-reusability and low-coupling management background
Common management background systems have three characteristics: The number of pages is large. There are many similar pages. Page business is complicated. Problem and solution If you use copy and paste to develop similar complex pages in the management background, there will be a lot of repeated codes. Every time a repeated part is changed, […]
el high reusability component packaging
el-pagination paging component // Subcomponent <template> <el-pagination :current-page=”currentPage” :page-sizes=”pageSizes” :page-size=”pageSize” :layout=”layout” :total=”total” v-bind=”$attrs” v-on=”$listeners” /> </template> ? <script> export default { name: ‘MyPagination’, props: { currentPage: { type: Number, default: 1 }, pageSizes: { type: Array, default: () => [10, 20, 30, 40, 50] }, pageSize: { type: Number, default: 10 }, layout: { type: […]
The Flutter Web route of Flutter 3.10 has been determined, and the usability has been further improved. Come and try WasmGC
With the release of Flutter 3.10, Flutter Web has also attracted its most “milestone” update. The “milestone” here does not mean how important the update of Flutter Web is this time, but that Flutter officially finally has an update for the Web. Clear positioning and direction. Improve First of all, let’s briefly talk about improvement. […]
Modern C++ Programming Practice 08-Usability Improvement I: Automatic Type Inference and Initialization
08 | Usability Improvements I: Automatic Type Inference and Initialization Hello, I am Wu Yongwei. In the previous few lectures, we have more or less touched some new features added since C++11. In the next two lectures, I will focus on the ease of use improvements brought about by modern C++ (C++ 11/14/17). As we […]
[Solved] Kylin starts an error ERROR: Check hives usability failed, please check the status of your cluster
Kylin startup error ERROR: Check hive’s usability failed, please check the status of your cluster The error message is as follows: Solution: Check whether the hive environment variable is configured: [lu@hadoop102 ~]$ vim /etc/profile.d/my_env.sh Check if hive can start normally [lu@hadoop102 hive]$ bin/hive If there is no problem with the above two steps, go to […]