Programmer Think

1. Install mockjs (the complete code of this case is at the bottom) Install mock through the instruction npm install mockjs, Then create a mock folder under src folder, and then create an index JS file   Then in main Introducing mock into JS file After that, you can find the index. In the mock file Simulated data in JS file 1. First, we ...

In Debian 10 Steps to deploy mysql on 0 1. Use the wget command to download the MySQL version you need. Here, use 0.8.13-1_all for Demo: wget http://repo.mysql.com/mysql-apt-config_0.8.15-1_all.deb . 2. After downloading, install the mysql distribution package with the w user with sudo permission: sudo apt install ./mysql-apt-config_0.8.15- ...

The main objects of producers are Kafka producer and producer record. KafkaProducer is a class used to send messages, and ProducerRecord class is used to encapsulate Kafka messages. Parameters and meanings to be specified for creating KafkaProducer: parameterexplainbootstrap.serversConfigure how the producer establishes a connection with the ...

Author: Mingming Ruyue senior\Source: blog csdn. net/w605283073/article/details/107371462As mentioned in the column "attribute copying tool is not recommended", it is recommended to directly define the conversion classes and methods and use the IDEA plug-in to automatically fill in the get / set function.The main reasons for not recom ...

Experimental introduction "Electronic compass", as a very common function, is almost equipped with smart phones on the market by default. In life, it can help us find the right direction, assist in positioning and so on. In addition to mobile phones, electronic compass is also widely used in aviation, aerospace, robotics, navigatio ...

1. Screen driver initialization The screen driver initialization function is located in lv_port_disp.c this file. The contents of the full screen driver initialization function in the figure above are: void lv_port_disp_init(void) { /*------------------------- * Initialize your display * -----------------------*/ ...

Recently, in the study of ffmpeg and ffplay, it is found that the source code analysis of ffmpeg unpacking on the Internet is not much and complete. Based on the ffplay source code, let's explain the ffmpeg decoding process. Here we mainly explain the key variables in the data structures of AVFormatContext, AVStream and AVIOContext, such as voi ...

Factory mode Simple factory mode structure Abstract product: it defines the specification of the product and describes the main characteristics and performance of the product. Concrete products: subclasses that implement or inherit Abstract products. Specific factory: provides a method for creating products, through which the caller obta ...

Training a part of speech tagging model from scratch The full name of part of speech tagging is part of speech tagging. As the name suggests, part of speech tagging is for the words in the input text The process of marking the corresponding part of speech. spaCy part of speech tagging model is a statistical model, which is different from ...

1, toString method of Object class java.Lang.objectClass object is the root (parent) class of the class hierarchy.Each class (person, student...) All use object as the super (parent) class. All objects (including arrays) implement the methods of this class. public class Person { private String name; private int age; public Per ...