本代码介绍了设计模式中单件的使用，请大家多多交流

该软件可以实现以下功能：用户管理，包括用户的添加、删除、修改密码和权限；备份管理，包括数据库的备份和数据库的恢复；商品管理，包括商品的添加、删除、修改、销售统计和分类查询；商品报表；商品销售：通过对进口商品的数量和销售量进行商品销售，并提供存货判断，具有求值计算功能；销售报表和销售历史记录；

it is a project about using ds1307 real time clock with codevision avr compiler-it is a project about using ds1307 real time clock with codevision avr compiler

项目文档的规范模版。能够使您的团队更加高效的完成项目开发，帮助你轻松管理团队运作。-project documentation templates norms. To make your team more efficient completion of the project development, and help you easily operation management team.

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非常不错的一本资料，我发现不错，所以上船给大家一起分享，需要的可以自己下载-A very good information, I found that good, so everyone on board to share, may need to download their own

进入CCS环境，装载已有工程，并load生成的.out文件，并找到要察看代码执行周期的代码处。-CCS into the environment, the project has been loaded, and load generation. Out files, and find the code implementation cycle would take a look at the code Department.

孙鑫VC课堂教学笔记,经过精选的编程代码! 非常难得!-SUN Xin VC classroom notes, after a selection of programming code! Very rare!

图书管理案例 有详细的用例图，时序图-Management Case Book a detailed use case diagram, sequence diagram, etc.

an important article introduing LDPC. The author is the prominent person in the field of researching and motivating LDPC.

林锐版本软件工程思想一书，语言幽默易懂，适合初学者了解。-Mr versions of software engineering thinking of a book, humorous and understandable language, suitable for beginners to understand.