Deep source analysis and application introduction of Java collection Properties

                        . 1 overview of properties public class Properties   extends Hashtable<Object,Object>    Properties, from the collection class of JDK 1.0, ...

Posted by maliskoleather on Thu, 11 Jun 2020 23:31:10 -0700

Turn your video to text (3-export word)

Hello, this is the last article in the series. We will export the text record to a well-organized word document for easy reading and sharing. The source code address thomas open source project Overall structure This chapter is in the third step of the overall transformation process, as shown in the following figure: Introduction to docx docum ...

Posted by talltorp on Thu, 11 Jun 2020 22:56:14 -0700

VS2015+OpenCV4.1.2 once and for all configuration mode and seamless switching between different OpenCV versions

VS2015+OpenCV4.1.2 complete and detailed once and for all configuration mode 1, Environment variable configuration 1. User variable settings Add user variable: opencv_ Pathj (my name is OpenCV_PATHhj) User variable value: D:\Program Files\OpenCV\opencv4.1.2\opencv\build D:\Program Files\OpenC ...

Posted by jazappi on Thu, 11 Jun 2020 21:57:32 -0700

SpringBoot injection multi instance, multi thread processing

Another post: Spring Boot tutorial 16: implementing multithreading with Spring Boot injection class SpringBoot injection multi instance, multi thread processing   Seeing this title, I'm sure many people will be puzzled. Looking back on your own scenarios, we will find that in Spring projects, multithreading is rarely used to process tasks. Y ...

Posted by iwarlord on Thu, 11 Jun 2020 21:37:04 -0700

J2EE knowledge summary

J2EE knowledge summary 1, DTD 1. Why DTD? 2. What is DTD? 3. Where is DTD used? 4. How to use DTD? 5. Example explanation 2, XML 1. Why XML? 2. What is XML? 3. Where is XML used? 4. How is XML used (XML modeling)? 5. Example explanation 3, Reflex 1. Why reflection? 2. What is reflex? 3. Where is ...

Posted by esthera on Wed, 10 Jun 2020 22:54:42 -0700

[js] D3 drawing parallel coordinates

Parallel coordinate system (parallel) is a kind of commonly used chart to visualize high-dimensional data. Parallel coordinate system has a good mathematical basis, and its projective geometry interpretation and dual characteristics make it suitable for visual data analysis. Article catalog 1. Drawin ...

Posted by henrygao on Wed, 10 Jun 2020 22:25:46 -0700

Build your own jar package and upload it to Mvaen central warehouse and version update

I've always envied others for making wheels and open source projects for others to use. I also want to do this. I can learn little by myself. This time, I will upload my own writing tools to Maven's central warehouse. The detailed step-by-step tutorial is shown as follows: Notice the Maven addresses at first: Work order management: https://is ...

Posted by ZimmerX on Wed, 10 Jun 2020 21:29:24 -0700

JAVA software encryption - digital digest and code confusion

Because JAVA is an interpreted language, it is easy to decompile. Maybe many companies will add License verification steps to their products before they leave the factory. Is License verification really safe? NO, people with a little JAVA experience will know to decompile your war package or jar ...

Posted by fansa on Wed, 10 Jun 2020 20:54:33 -0700

A preliminary solution to the working principle of spring framework

1: Basic concepts of spring 1) Struts 2 is web framework, hibernate is orm framework 2) spring is a container framework, which creates beans and maintains the relationship between beans 3) Spring can manage the web layer, persistence layer, business layer, dao layer, spring can configure the components of each layer, and maintain the relati ...

Posted by werty37 on Tue, 09 Jun 2020 23:13:17 -0700

AOP learning notes

catalog introduction AOP overview AOP terminology Understanding of hands through practice (simple calculator) introduction What is AOP? (interview question), simply answering face-to-face programming can't satisfy the interviewer, it's better to combine your own understanding. AOP overview ...

Posted by durahman on Tue, 09 Jun 2020 21:30:50 -0700