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Code alone isn’t enough. Sure, it’s what the computer runs, but code has to come from somewhere. A programmer has to sit down and decide what features to include, how they should be implemented, what other software to utilize, and how to provide hooks for future enhancements to be added. It’s easy to skip straight to code, ignoring the cognitive process that produces it, but great programmers always have reasons for the decisions they make. With a framework, like Django, many such decisions have already been made, and the tools provided are shaped by these decisions, and by the programmers who made them. By adopting these philosophies in your own code, not only will you be consistent with Django and other applications, but you may even be amazed at what you’re able to accomplish. Beneath even the simplest code is the thought process that went into its creation. Decisions were made about what it should do and how it should do it. This thought process is a step often overlooked in books and manuals, leading to an army of technicians slaving away, writing code that manages to accomplish the task at hand but without a vision for its future. While the rest of this book will explain in detail the many basic building blocks Django provides for even the most complicated of projects, this chapter will focus on even more fundamental aspects of the framework. For those readers coming from other backgrounds, the ideas presented in this chapter may seem considerably foreign, but that doesn’t make them any less important. All programmers working with Python and Django would do well to have a solid understanding of the reasons Django works the way it does, and how those principles can be applied to other projects. You may want to read this chapter more than once, and perhaps refer to it often as you work with Django. Many of the topics are common knowledge in the Django community, so reading this chapter carefully is essential if you plan to interact with other programmers.

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一、融汇贯通 将Python语言和Django基础知识，以实际应用为媒介，有机组织、融汇贯通。让你的理论与实践结合起来，由知道变成会用。使用了大量的Django高级特性和Bootstrap前端框架，展示了真实的项目部署过程。 二、贴近实战 本系列课程为练手项目实战：学生管理系统的开发，项目包含了如下几个内容：项目的总体介绍、项目的数据库、ORM模型访问数据的实现过程、ORM实现数据库访问的优势、完成ORM连接数据库的类、实现学生信息的增删改查、项目总结及优化方案。课程具有极强的实战性。