Library management system

Project description   For a long time, people use the traditional manual way to manage the daily business of the library, and its operation process is cumbersome. When borrowing a book, the reader first gives the book to be borrowed and the borrowing card to the staff, then the staff puts the information card of each book and the reader's ...

Posted by php3ch0 on Tue, 30 Nov 2021 04:37:38 +0100

OpenCV adaptive histogram equalization CLAHE C + + source code sharing

1, Introduction Recently, I received a request from several netizens to provide the source code of CLAHE in OpenCV. Here, I directly share the source code of CLAHE.CPP in OpenCV4.54. 2, OpenCV source code download Download address: https://sourceforge.net/projects/opencvlibrary/files/ There are versions 3.4.10 – 4.5.4, but the downl ...

Posted by rich86 on Wed, 24 Nov 2021 00:30:11 +0100

[OpenCV/C + +] implementation principle and code explanation of KNN algorithm for identifying numbers

1, KNN principle 1.1 introduction to KNN principle    KNN algorithm, i.e. K nearest neighbor algorithm, as the name suggests, its principle is to judge which category x belongs to according to what category most of the K nearest points belong to when predicting a new value X. zzzzMing - big data technology - simple KNN algor ...

Posted by noelswanson on Sat, 20 Nov 2021 00:38:42 +0100

Rocket MQ Series III - producer startup process

        DefaultMQProducer is the default producer implementation in RocketMQ. The inheritance relationship between DefaultMQProducer classes is as follows:     You can see that the producer includes the producer's operation and configuration properties during implementation, which is a typical class object desi ...

Posted by metalhead41 on Thu, 18 Nov 2021 17:24:39 +0100

What kind of experience is it to learn programming while playing games?

prefacehello, everyone, I'm bigsai. I haven't seen you for a long time. I miss you very much!In daily life, many people like to play games, because the game has the joy of confrontation and control, and completes a wave of beautiful operations with soul fingering.But in fact, your keys are corresponding to each method function in the code to pe ...

Posted by gooney0 on Fri, 12 Nov 2021 22:02:21 +0100

SF exercise answer (LF poly Church)

The answers in this part are for the last exercise of Poly in Chapter 4, function definition and theorem proof related to church number. Because some preparatory knowledge is required, it is introduced in a separate section. 1, church number Church number is an application of lambda calculus. Before introducing church number, we will give ...

Posted by tripleM on Sat, 06 Nov 2021 03:48:04 +0100

Greedy algorithm java

Minimum dictionary order Given a string type array strs, find a splicing method so that the string formed after splicing all strings has the smallest dictionary order public class LowestLexicography { public static class MyComparator implements Comparator<String>{ @Override public int compare(String o1, Str ...

Posted by simrx11 on Thu, 04 Nov 2021 11:13:53 +0100

A series of operations triggered by "@ Value injection failed" in "SpringBoot source code"

background In the project, I want to inject a field with @ Value, but I didn't expect that the injection was unsuccessful, but I can do it in another way, so I want to know the reason why the @ Value annotation was unsuccessful. The code in this article is based on Spring version 5.3.8 Simulate @ Value successful scenario First of all, in o ...

Posted by Shroder on Tue, 02 Nov 2021 13:57:24 +0100

To you who want to learn Python well [zero basic teaching] Python from zero to one! Links to detailed learning resources are attached

A detailed link to Python learning notes is attached at the end of the article. The goal of this article Through the study of this article, you can develop programming thinking and master all the basic syntax of Python. Moreover, after reading it, you can say that you can learn Python! Part I getting started with Python Section 1 Intro ...

Posted by mark110384 on Sun, 24 Oct 2021 14:23:53 +0200

Zero foundation Java self-study process - advanced Java language 41

Java abstract class 1, Definition of abstract class The class modified by the keyword "abstract" is an abstract class. (moreover, abxtract can only modify classes and methods) The simplest empty abstract class is shown below public abstract class AbstractClass { public static void main(String[] args) { AbstractClass ab ...

Posted by steonkeys on Wed, 13 Oct 2021 01:45:16 +0200