Programmer Think

1. To create a project through composer: composer create-project --prefer-dist laravel/laravel laravel 2. Enter project: cd /var/www/html/laravel 3. To create a controller: php artisan make:controller StudentController 4. Create model classes and data migration files: php artisan make:model Student ...

How to get object (tag) name, attribute, content, comment and other operations by using the Python crawler beautifulsop 1, Tag object 1. The tag object is the same as the tag in the XML or HTML native document. from bs4 import BeautifulSoup soup = BeautifulSoup('<b class="boldest">Extremely bold&l ...

WeChat official account interface development - reply message As a WeChat official account, interaction with users is very important. For example, according to the message sent by users and the user information (text, pictures, videos, pictures, etc.) that are passively answered by push events, I have ...

1. The concept of routing Concept of Routing: Back end Routing: for a normal website, all hyperlinks are URL addresses, and all URL addresses correspond to the corresponding resources on the server Front end Routing: for single page applications, the main way to switch between different pages is th ...

In general, RESTful is to return json. Sometimes it may be necessary to return xml. What should we do? Jackson Maven adds jar file import <dependency> <groupId>com.fasterxml.jackson.dataformat</groupId> <artifactId>jackson-dataformat-xml</artifactId> </dependency& ...

introduce jdk explained: public class FileInputStream extends InputStream A FileInputStream gets input bytes from files in the file system.What files are available depends on the host environment. FileInputStream is used to read raw byte streams such as image data.To read a string, consider using File ...

ES6 adds the... Operator, which is usually used to extract the remaining parameters and expand the array in the function. But in fact, its purpose is more than that. This article introduces several techniques to use it to operate JavaScript objects. 1. Add attribute When you copy an object, add new properties to it. In the example, the user obj ...

Class 1 In the previous articles, we introduced the object-oriented programming of ES5. We know that before ECMAScript6 specification, there was no concept of class in JavaScript, only constructor was allowed to simulate class, and inheritance was implemented through prototype. This way of implementin ...

Wedge Now you are a developer of a game company. Now you need to develop a game called Dog and Human Warfare. Just think, Dog and Human Warfare requires at least two roles. One is human and the other is dog. People and dogs have different skills, such as people fighting with sticks and dogs. Dogs can bite people. How can you describe these diff ...

MVVM - Introduction and Demo What is MVVM implemented in Vue? First, the first M refers to the Model, which is also the ** data model. In fact, it refers to the data, which is changed into the Vue. In fact, it refers to the data ** in the Vue component instance. But this data has been defined from the very beginning as responsive data. T ...