Spring boot learning: the configuration method of Filter and the implementation principle of spring boot source code

Registration of Servlet, Filter, Listener In the case of spring boot application, because it starts a Servlet engine by itself, and needs to create a ServletContext object associated with the application to bind to the Servlet engine, so that the Servlet engine can receive the request and distribut ...

Posted by TristanOfADown on Thu, 11 Jun 2020 04:25:00 +0200

Adjusting the brightness and contrast of an image with opencv4.3.0 Tutorial

Catalog Preface 1. Brightness and Contrast 1. What is brightness and contrast 2. Brightness and Contrast Adjustment Principle 3. Brightness and Contrast Adjustment Code Implementation 4,API-convertScaleAbs 2. Gamma Correction 1. Introduction of Gamma Correction 2. Gamma Correction Principle ...

Posted by master82 on Thu, 11 Jun 2020 02:58:03 +0200

Intelligent Transportation Development New Planning under New Capital Construction: Intelligent Tunnel Monitoring Visualization System

Preface With the development of the contemporary economy, the transportation environment is getting more and more tense, together with the transportation needs in mountainous areas, the development of tunnel traffic construction is in the ascendant.Tunnel traffic planning is becoming more and more complete, but there are some inadequacies in mo ...

Posted by geo3d on Wed, 10 Jun 2020 18:45:20 +0200

Four ways Spring Boot implements timed tasks

Author: Wan QingHua wanqhblog.top/2018/02/01/SpringBootTaskSchedule/ Several ways to accomplish a timed task: Timer: This comes with JavaJava.util.TimerClass, this class allows you to schedule aJava.util.TimerTaskTasks.This allows your program to execute at a certain frequency, but not at a specified time.Less commonly used. ScheduledExecutor ...

Posted by rv20 on Wed, 10 Jun 2020 06:25:42 +0200

Android wifi basic function 1

A summary This paper introduces the development interface and usage of WiFi module in the application layer of Android, including some suggestions for dealing with common problems, and finally provides a github project ...

Posted by TheChief on Tue, 09 Jun 2020 08:27:49 +0200

Thinking and practice of programming CSP-M4 supplementary questions

A - TT count ducks meaning of the title On this day, TT was suffering from the epidemic at home. After one hour's inhalation of cat in the cloud, TT decided to go to the mountain nearby. TT came to a small lake and saw many ducks playing by the lake. TT was envious. At this time, he found that every ...

Posted by ubaldc36 on Tue, 09 Jun 2020 07:46:00 +0200

[UWP custom control] learn about templating control: VisualState

1. Functional requirements Use TemplatePart to implement the two requirements of the previous article (hide the HeaderContentPresenter when the Header is empty, and the HeaderContentPresent is translucent when the mouse is not placed on the control). Although the function has been implemented, the implementation will basically not be extended. ...

Posted by tdeez173 on Mon, 08 Jun 2020 06:23:31 +0200

Java implementation of computer composition principle

1 purpose of course design This course is designed to deepen students' basic knowledge of the course of computer composition principle, further understand some algorithms of computer composition principle, and carry out specific implementation, so as to improve the comprehensive application ability of a ...

Posted by Easter Bunny on Mon, 08 Jun 2020 05:19:43 +0200

Popular understanding of spring source code -- Analysis of default tags (import, alias, beans)

Popular understanding of spring source code (6) -- Analysis of default tags (import, alias, beans) The parseDefaultElement method of documentReader is mentioned in the previous section. From this point on, various labels are parsed. Among them, bean label parsing is the most complex. So let's first look at the other three default labels pr ...

Posted by shahryar on Sun, 07 Jun 2020 06:03:10 +0200

Module - Neural network training and inference

API . Training neural network needs many steps. You need to specify how to input training data, initialize model parameters, perform forward and backward transfers in the network, update weights based on calculated gradients, perform model checkpoints, and so on. Most of these steps will eventually be repeated during the forecast process. For ...

Posted by jblallement on Sun, 07 Jun 2020 05:50:38 +0200