级联动下拉框

说明：  Java面试宝典Beta5.0，java的基础知识，非常详细(Java interview dictionary beta 5.0, java basic knowledge, very detailed)

说明：  条码仓库管理系统，特别适合中小型超市，解决了库存、入库、出库、库存查询、数据报表等大量人工需要完成的事情，现在只需要轻轻的点几下鼠标就能完成，大量节约了人力和物力，实现了无纸化的操作，能把出库入库报表打印出来或导出为excel，更加直观和省时。(Bar code warehouse management system, especially suitable for small and medium-sized supermarkets, has solved a large number of manual tasks such as inventory, warehousing, warehousing, inventory query, data report forms and so on. Now it can be accomplished with a few clicks of the mouse. It saves a lot of manpower and material resources, realizes paperless operation, and can print out or export the warehouse report forms into excel, which is more intuitive and more intuitive. Time saving.)

处理FLEXPART结果，绘制粒子的轨迹(plot result of flexpart)

这是完整的软件教学，里面有很详细的操作，希望能帮助到大家学习蓝马(This is a complete software teaching)

模拟退火算法实现旅行商问题，输入城市数目以及城市距离的邻接矩阵，程序输出最短回路序列以及对应的距离。(Simulated annealing algorithm realizes the traveling salesman problem, inputs the adjacency matrix of the number of cities and the distance between cities, and outputs the shortest loop sequence and the corresponding distance.)

C# Access数据库查询实例集，都是些C#新手必看的一些小程序，主要有c#连接、读写、查询Access数据库，示例截图只是其中之一，都可以顺利编译。

设计透镜的软件, dfsd fdsafd a fewqrf wer rewqt t(designfds fdsa fdsa ererewhgf hgfdh)

此程序为潮流计算的PQ分解程序，也是潮流程序中一部分。-This program for the power flow calculation of the PQ decomposition process, is also a part of the trend of the program.

modbus4j source tcp/udp tranform

json exampole it s example of some json fun