关于 "Canot access the ClassView information file" 的真正原因及解决办法。

博客指出,很多人认为VC存在如clw文件损坏等bug,但实际研究发现,问题是.ncb文件为只读属性导致的,只需去掉该文件的只读属性即可解决问题。
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搜索了半天,都说是VC的bug, 比如 clw 文件损坏等。 其实我研究了下,跟本不是。

而是 .ncb 文件是只读造成的。 只要去掉只读属性就OK了。

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Stable-Diffusion-3.5

Stable-Diffusion-3.5

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Stable-Diffusion

Stable Diffusion 3.5 (SD 3.5) 是由 Stability AI 推出的新一代文本到图像生成模型,相比 3.0 版本,它提升了图像质量、运行速度和硬件效率

In this task, you will design and implement a user-driven vocabulary management system that supports interaction from different types of users (e.g., readers and admins). This task simulates a real-world collaborative environment, where access control and data integrity are critical. 🧩 Task Objective You are required to implement the following two classes: Role: defines the role of a user, including their name, access level, and identity information. RoleBasedVocabSys: manages user login, menu display, command execution, and interaction with the TextProcessor object. The program should simulate a terminal-like experience for different types of users, controlling what they can see and what actions they can perform. 👥 User Roles The system supports two user roles: Reader: Can log in and view the vocabulary. Can view the top 10 and bottom 10 most frequent words. Cannot update or modify any part of the vocabulary. check the examples below for reference. Admin: Has all the permissions of the reader. Can update the vocabulary by adding new files or removing existing ones. Has full access to the vocabulary update methods from TextProcessor. User credentials and access roles are provided as the varaiable users_info from the util.py module. in scaffold. 📋 Task Requirements You must: Implement the Role class, which should: Store and return the user’s username, display name, and access level (e.g., "reader", "admin"). Provide getter methods: get_user_name(), get_access(), get_name(). Implement the RoleBasedVocabSys class, which should: Handle login and logout. Display different menus depending on whether a user is logged in and their access level. Call TextProcessor functions (from Task 7) to manage the vocabulary. Enforce role-based access control (e.g., only admins can update vocabularies). Use the provided attributes and method names in the scaffold. Do not rename or remove any predefined code blocks. Implement menu-based navigation where users can choose options via standard input: Exit the system. Login or Logout. View the top 10 or bottom 10 frequent words. Update vocabulary by adding/removing files (admin only). You may write additional helper functions or methods as needed. 🧠 Additional Notes The vocabulary is loaded and managed via the TextProcessor object created in the constructor. The files to be added/removed are fixed as data/for_admin/excluded.csv data/add.csv and data/delete.csv for this exercise, but you may generalize it in future tasks. All user input should be validated using verify_user_choice. The system should loop until the user chooses to exit. Examples Example 1a: interface when starting the program Welcome to the Mark system v0.0! Please Login: 1.Exit 2.Login Enter your choice: Example 1b: unlimited attemps for invalid users inputs Welcome to the Mark system v0.0! Please Login: 1.Exit 2.Login Enter your choice: ewfwef Enter your choice: edf Enter your choice: 3 Enter your choice: 4 ... Enter your choice: Example 2a: correct login credential for reader Welcome to the Mark system v0.0! Please Login: 1.Exit 2.Login Please key your account name: Jueqing Please key your password: jueqing123 Welcome Jueqing Lu Please choose one option below: 1.Exit 2.Logout/Re-Login 3.Show top 10 frequency vocabularies 4.Show last 10 frequency vocabularies Enter your choice: Example 2b: correct login credential for admin Welcome to the Mark system v0.0! Please Login: 1.Exit 2.Login Please key your account name: Trang Please key your password: trang123 Welcome Trang Vu Please choose one option below: 1.Exit 2.Logout/Re-Login 3.Show top 10 frequency vocabularies 4.Show last 10 frequency vocabularies 5.Updating Vobulary for adding 6.Updating Vobulary for excluding Enter your choice:
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09-24
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