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Daily summary review This week's mind map [the external chain picture transfer fails. The source station may have anti-theft chain mechanism. It is recommended to save the picture and upload it directly (IMG eoqdofz3-1645362548051) (C: \ users \ ASUS \ pictures \ data analysis process \ unnamed file (11)] png) Homework concern # High ...

1. Object oriented principle Principle of single responsibility: That is, a class should be responsible for only one responsibility. For example, class A is responsible for two different responsibilities: Responsibility 1 and responsibility 2. When a is changed due to the change of responsibility 1 requirements, the implementation e ...

Merge sort is a divide and conquer algorithm. Using recursion, a large data set is decomposed into small subsets. The subsets are ordered and then merged. Merge sort is not an in-situ sort algorithm because it uses temporary space, which is also the main reason why merge sort is not widely used in quick sort. Although the time complexity of mer ...

OK, here I will summarize some code usage of Addressables. As we all know, the purpose of Addressables is to heat up, load and unload resources, which is equivalent to doing what our previous project should do for the management class AssetManager of AssetBundle resource package 1. The first is the hot change of resources. Most of the solution ...

Convolutional neural network (CNN) Learning objectives Understand the composition of convolutional neural networkKnow the principle and calculation process of convolutionUnderstand the function and calculation process of pooling There are two problems in image processing using fully connected neural network: The amount of data to be p ...

Visualization helps to explain and understand the internal structure of deep learning model. Through the visualization of the model calculation diagram, we can find out how the neural network is calculated. The visualization of the model mainly includes the following aspects: How many layers does the model haveInput and output shapes of each l ...

Original tutorial address Nedb -- Node embedded database Simple demo <template> <div> <el-button type="primary" @click="addOneUser">Add user</el-button> <el-button type="primary" @click="search">query</el-button> </div> </template> <script> // Import related metho ...

Use TCP to transmit data, write the program of client and server, and realize the real-time communication between the two programs. In each program, the function of sending and receiving data in real time is realized. io interface of client Server side io interface io demo The program takes ...

Prevent form resubmission 1, Problem background The return function of the current management platform supports the function of uploading return excel and inserting return order records into the return order table. According to the feedback of the operation colleagues, when uploading the return excel, the return order form has duplicate retur ...

1. Basic concepts of search Lookup table A lookup table is a collection of data elements (or records) of the same type. keyword A keyword is the value of a data item in a data element (or record), which can be used to identify a data element (or record). If this keyword can uniquely identify a record, it is called the primary keyword ...