# Page Not Found

The URL `blog/2013/04/12/block-based-design` does not exist. This page may have been moved, renamed, or deleted.

## Suggested Pages

You may be looking for one of the following:
- [Gitflow 在客户端开发中的实践](https://www.doruby.com/productivity/git/gitflow-zai-ke-hu-duan-kai-fa-zhong-de-shi-jian.md)
- [调试我们的 APP (iOS)](https://www.doruby.com/mobile/debug/tiao-shi-wo-men-de-app-ios.md)
- [URLCache 设置不当引起的 App 故障](https://www.doruby.com/mobile/debug/urlcache-she-zhi-bu-dang-ying-qi-de-app-gu-zhang.md)
- [MKNetworkKit Auto Caching](https://www.doruby.com/mobile/3rd-party/mknetworkkit-auto-caching.md)
- [模块化设计-iOS团队协作开发](https://www.doruby.com/mobile/modularization/mo-kuai-hua-she-ji-ios-tuan-dui-xie-zuo-kai-fa.md)

## How to find the correct page

If the exact page cannot be found, you can still retrieve the information using the documentation query interface.

### Option 1 — Ask a question (recommended)

Perform an HTTP GET request on the following URL with the `ask` and `goal` query parameters:

```
GET https://www.doruby.com/productivity/git/gitflow-zai-ke-hu-duan-kai-fa-zhong-de-shi-jian.md?ask=<question>&goal=<user_goal>
```

`ask` is the immediate question: it should be specific, self-contained, and written in natural language.
`goal` is what the user is ultimately trying to achieve, the reason they need the answer. Sharing it helps GitBook give you a better, more relevant answer. A goal is most helpful when it describes the outcome the user wants rather than restating the question. For example, with `ask=how do I create an API token`, a goal like `automate deployments from our CI pipeline` lets GitBook tailor the answer to that use case.

The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

### Option 2 — Browse the documentation index

Full index: https://www.doruby.com/sitemap.md

Use this to discover valid page paths or navigate the documentation structure.

### Option 3 — Retrieve the full documentation corpus

Full export: https://www.doruby.com/llms-full.txt

Use this to access all content at once and perform your own parsing or retrieval. It will be more expensive.

## Tips for requesting documentation

Prefer `.md` URLs for structured content, append `.md` to URLs (e.g., `/productivity/git/gitflow-zai-ke-hu-duan-kai-fa-zhong-de-shi-jian.md`).

You may also use `Accept: text/markdown` header for content negotiation.