Programmer Think

Experienced spring MVC users should have a general understanding of its HTTP request processing process. Spring MVC is an extension of the native Servlet, which maps the request method and the request processing method, that is, the path specified in our common @ RequestMapping and the mapping of the method with @ RequestMapping annotation. Thi ...

Chapter 1 HTML tags and document structure Each web page initially uses HTML to mark the content. The purpose of this move is to give the meaning of the web page. The object of operation is the user agent, that is, let your user agent read the content you write in the document. The so-called user agent includes browser, screen reader, Web cra ...

1 tf.data tf.data is tenosrflow2 The module used to create datasets in 0 contains many types of dataset classes, among which dataset and TfRecordDataset are commonly used to encapsulate datasets. Dataset contains a large amount of existing data. TFRecord is a special data format in TF, which can improve the data reading and writing speed. ...

In lesson3, we reviewed the content related to the JS scope, understood the JS scope, and looked at the closure again, which was very easy. 1. Concept of closure Let's add a knowledge point first (PS: if you don't think it's easy to understand, just look at the code ~), Lexical scope: "The execution of a function depends on the variable ...

Class structure 2: method Class structure 2: method 1. Concept of method overloading Definition: more than one method with the same name is allowed in the same class, as long as their parameter number or parameter type are different. * Summary: "two are the same and different": the same class and the same method name Different param ...

In the latest Android SDK, startActivityForResult has been marked as an outdated method, instead of using registerForActivityResult. 1. Why use registerForActivityResult? In the previous way of using startActivityForResult, you need to pass a requestCode. When the destination interface returns to this interface, you can use the requestCode to ...

In recent days, I began to reuse vscode as the default editor (Python, cpp). After setting it as the default to open the software, I found that the icon of the program file in the windows file manager has become the icon of vscode itself, which does not distinguish the file type, which is inconvenient. Modification effect: Manually modi ...

YUM(yellow dog updater modified) 1. Software update mechanism based on RPM package 2. Dependency can be solved automatically 3. All software packages are provided by the centralized YUM software warehouse Prepare for installation How to provide software warehouse 1. FTP service: FTP: / / 2. HTTP service: http: / / 3. Local directory: ...

1. Overview of volume price relationship "Volume" has many forms, such as trading volume (number of shares), transaction amount, turnover rate and so on. "Volume" generally refers to the trading volume of a certain securities in the trading market in a specific period of time. The trading volume reflects the game of lon ...

Before introducing the agent mode, the blogger wants to say something "out of the question". The blogger likes playing games, especially hero League, especially compression. The blogger's compression can be said to be "fantastic". The blogger's friends call the blogger "tuoersuo". In other words, although the blogg ...