Programmer Think

These days, the company needs to do text classification, read some articles, various machine learning, neural network, do not understand. I have done a simple text classification function with the combination of stuttering and segmentation, which is OK in general. Operation result: It's written by mysel ...

**The project has a function to monitor whether a service is online. * * *The service will send "heartbeat" to the back-end every 5 seconds (the heartbeat can be a string, a value, etc.). Once the service fails to send "heartbeat" to the back-end for more than 30 seconds, the back-en ...

Common events Since it's event distribution, there must be events to distribute, so let's first learn about several common events. According to the object-oriented idea, events are encapsulated as MotionEvent objects. Because this article does not focus on this, it only involves several common events related to finger touch: Event brief action? ...

Original link: http://www.cnblogs.com/fengty90/p/3768835.html Heap sort Heap is a complete binary tree with the following properties: the value of each node is greater than or equal to the value of its left and right child nodes, which ...

Preface It is very necessary to monitor the lane jam in the tunnel, the accident scene in the tunnel, display the current accident position in the tunnel and give prompt at the tunnel entrance. The main contents of this tunnel Demo include: lighting, fan, Lane indicator light, traffic signal light, information board, fire protection, fire alarm ...

Title: https://www.luogu.org/problem/P1436 Title Description Divide an 8 * 8 chessboard as follows: cut the original chessboard into a rectangular chessboard and make the remaining part also rectangular, and then continue to divide any one of the remaining two parts in this way. After cutting (n-1) times, there are n rectangular chessboa ...

C# All runat="server" controls will cause the entire interface to refresh, if you want to achieve partial refresh, you can use ajax. The controls that need to be added are ScriptManager and Update Panel, which can only refresh the contents of Update Panel.AJAX has been encapsulated in a control in C# and can be easily implemented in a ...

Thymeleaf mainly uses the org.thymeleaf.expression.Numbers class to process numbers, and the #numbers object to process numbers in templates. Development environment: IntelliJ IDEA 2019.2.2Spring Boot version: 2.1.8 Create a new Spring Book project named demo.pom.xml adds Thymeleaf dependencies: <dependency> < ...

Small Knowledge Points: Gamma function   1. Learn to write Lo code first, and then see where it is reused. 2. Then convert the reusable code into parameters and bring them into the function.   Function body   def funcName([param]): Executive body [retrue] # Array Writing G = ['Instant noodles','Ham','Beer'] ...

Condition testing Test command: Test whether a particular expression is valid. When the condition is valid, the return value of the test statement is 0, otherwise it is another value. Format 1: test conditional expressionFormat 2: [conditional expression] (note that there is a space between the brackets and the expression) Document testing: ...