python网页数据爬虫

For any software that handles client requests, at some point, there must be a persistent point where all data related to the clients are stored. Those storages can be any thing (database, mainframes, files etc.). What if this software needs to access those storages with concurrent requests, knowing that opening a connection is memory and CPU consuming? A Connection Pool is a container of open and reusable connections. It will help you save both memory and CPU time. Also, it will help you in managing connections.

本程序可以实现高斯―克吕格投影不同分带坐标的相互转换，经纬度转换为坐标，并可以求取求任一点所在国家标准图幅编号，同时显示所在1：50000地形图地形等级及地区调整系数（大调查经费预算用）。-KLOMHH KKAJ

用C51写的日历时钟，这个程序可以直接下来使用。-C51 written by the calendar clock, this procedure can be used directly down.

自己做的2进制和16进制转换工具，支持批量转换-Own 2-band and 16 hexadecimal conversion tools, support batch conversion

此代码是本人一年前所编写 对JAVA初学者可能会又帮助 在数据库连接上 效率较高-year ago, I prepared for Java beginners may also help connect the database more efficient

另外一个OFDM频偏估计的代码，以该代码为基础的文章被EI检索收录，具有很高的参考价值。-Offset Estimation code to the code of the article was based on the EI retrieval recorded. have a very high reference value.

用delphi做的网页查找程序-do with the web search procedures

学生宿舍管理系统(含源代码) 使用SQL Server 2000的企业管理器-Student hostel management system (including source code) to use SQL Server 2000" s Enterprise Manager

在官方网站上下载了2.5版本的myJXTA，配置好窗体后跑了一遍，感觉这个示例程序的功能还是蛮强大的，但是这个程序的API写得比较简单，所以决定自己仔细研究研究~-Download the official site of the 2.5 version of myJXTA, configured form again after the run, I feel the function of the sample or very strong, but this process is relatively simple API written, so carefully studied to determine their own study ~

qam的matlab仿真，好可以，有需要的同志们-QAM simulation in matlab, so can, there is a need to comrades