Programming VIP

preface    companies in the Internet industry must encrypt the sensitive fields of the database. There are many schemes. The most direct one is to write an encryption and decryption tool class and then process it manually in each business logic. This method is obviously unrealistic in slightly large-scale projects, which is not ...

Original text from:< Old cake explanation neural network > catalogue I Normalization and inverse normalization II Practical examples III Complete code example IV Inverse normalization of network expression In order to facilitate better network training, the input and output data will be normalized before training. After training, ...

Mysql log management 1, MySQL log management The default log storage location of MySQL is / usr/local/mysql/data There are two ways to open logs: through configuration files or through commands The log opened through command modification is temporary and will be closed after the service is shut down or restarted MySQL common log types and s ...

abstract This example extracts part of the data in the plant seedling data set as the data set. The data set has 12 categories. It demonstrates how to use the VIT image classification model of pytorch version to realize the classification task. Through this article, you can learn: 1. How to build VIT model? 2. How to generate data sets? ...

IntroductionIn the previous article, the "animation" scheme was used to realize the bullet screen effect. The container control was customized. Each bullet screen was used as its sub control, and the initial position of the bullet screen was placed outside the right side of the container control. Each bullet screen was translated thro ...

​1. Description of folder decryptionOnly the encrypted folder needs to be decrypted. When the same user views the same encrypted folder or the files / folders in it, he / she can view the same encrypted folder or the files / folders in it again after checking the password successfully every time. There is no need to enter the password. The pass ...

The previous article "specific implementation of MySQL time class partition" introduces the implementation method of time class partition. This article is an extension of the previous article and introduces the relevant SQL writing precautions based on this kind of partition.There are two ways to retrieve partitioned tables. One is wi ...

As a new generation of routing, navigator 2.0 provides a declarative API, which is more in line with the style of fluent. Navigator 2.0 is forward compatible, and some new APIs have been added, which is quite different from Navigator 1.0. This article will analyze the underlying logic of Navigator 2.0 in detail, so that we can have an in-depth ...

This paper mainly introduces how to use ArcGIS JS API for development in Vue project. The JS API used in this paper is the latest version of ArcGIS JS API 4.14. It mainly instantiates a two-dimensional map with JS API in Vue project demo.summaryFor a long time ago, when using ArcGIS JS API (hereinafter referred to as "JS API") to deve ...

This paper mainly introduces how to instantiate a two-dimensional map with ArcGIS JS API 4.14, and briefly introduces and 3 Similarities and differences in the implementation of version X.summaryAfter learning the offline deployment of ArcGIS JS API version 4.14, we will next introduce how to instantiate a basic two-dimensional map with JS API ...