by180401

流水灯51单片机用蜂鸣器放音乐的程序，音乐编码有月亮代表我的心，两只蝴蝶等 (51 SCM with buzzer or music program, music encoding the moon represents my heart, two butterflies)((51 SCM with buzzer or music program, music encoding the moon represents my heart, two butterflies))

VB初级练习源码适合刚学习VB的人练习-VB source code of primary practice

检查EXCEL文档中某字段的重复值，打开文档，选择相应表格及字段(Check EXCEL document the value of a duplicate field, open the document, select the appropriate forms and fields)

WeChat small program, specially aimed at preschool education

可以检测网络延迟，测出网速好坏，可以连续不断测试(Test the network,find the network problem)

实现了一个吃豆人小游戏的功能，使用了多种搜索算法，包括DFS以及BFS等(Implements a Pac-Man game features, using a variety of search algorithms, including DFS and BFS, etc.)

说明：  针对BP神经网络的初始权值和阈值是随机选取的弊端，采用遗传算法寻优BP的初始权值和阈值，然后进行BP训练和测试。遗传算法包括编码 选择 交叉 和变异等操作(Aiming at the disadvantage that the initial weights and thresholds of BP neural network are randomly selected, genetic algorithm is used to optimize the initial weights and thresholds of BP, and then BP training and testing are carried out. Genetic algorithm includes coding selection, crossover and mutation.)

很普通的一个管理系统 也没有什么好说的了-A very common management system of the Nothing to say

说明：  北斗使GPS时等多时间系统之间的转换,多用于定位软件的编写(Beidou makes the conversion between GPS and other time systems, mostly used for the preparation of positioning software.)

说明：  这是一个关于操作系统银行家算法的程序，实现资源的各项操作(This is a banker's algorithm on the operating system procedures, the resources to operate)