Programmer Group

1, Foreword A classmate asked: could you elaborate on the diff algorithm. To put it simply: diff algorithm is an optimization method, which compares the difference between the two modules before and after, and the process of repairing (updating) the difference is called patch, also known as patching. The article mainly solves the follow ...

Understanding data structures Data structure is a way for computers to store and organize data. A data structure is a collection of data elements that have one or more specific relationships with each other-- Baidu Encyclopedia We understand data structures from our own perspective. Data structure is a way for computers to store and organize ...

vuejs official website Template grammar 1.1 interpolation 1.1.2 text Double braces {}} interpret the data as plain text rather than HTML code. Common usage <span>Message: {{ msg }}</span> v-once By using the v-once instruction, you can also perform one-time interpolation. When the data changes, the content at the interp ...

1.1 concept (based on vue2) 1.2 vue/cli scaffold 1.2.1 create project startup service 1.2.2 explanation of project directory (can be omitted) 1.2.3 custom configuration 1.2.4 eslint 1.2.5 single vue document 1.3 interpolation expression 1.4 MVVM design pattern 1.5 Vue instruction (key points, remember with a small book) 1.5.1 concep ...

21-10-22--Vue learning record day 4 1, Filter Essentially, a filter is a special function The data on the template can be reprocessed and processed before data mounting The filter acts after the variable, uses | as the coincidence function, and processes the variable before | as the value of the function after | The filter function must ha ...

Pure js calendar component learning notes The following records the problems encountered in the process of completing the calendar component in pure js Problems encountered 1. Drop down menu implementation The display of the drop-down menu and the style that will appear after clicking the option box are written in advance For example, t ...

intro Scenario 1: If you find an old meteor project with version 1.8.1, it was created before May 2019 In October 2021, you want to create a 1.8.1 meteor project. You can create the project by specifying the version number, as follows: meteor create vue-meteor-app --release 1.8.1 then: But when you create a project and want to run it by ty ...

In my last article, I learned that prototypes can be used to share methods. Inheritance literally means that the attribute methods in the parent class are passed to the subclass, and the subclass does not need to write the same logical code repeatedly, which can greatly improve the readability and simplicity of the code. It is different from t ...

                  The back end is as written in the previous two articles.         The front end picked up a front-end page from the Internet and used the JavaScript library jQuery to simplify the operation of DOM and BOM. I want to use ajax technology to initiate HTTP requests and ...

Many articles are teaching us   ES6/7/8/9/11/12   Relevant specifications, but how to use these in our project   ES   standard? What do you need to pay attention to? This paper combines   ES11   Two very useful features in, the null merge operator (?) and the optional chain operator (?) to see how to use the rel ...