Class 12 Informatics Practices paper includes SQL queries, Python programming, digital footprints, web hosting, and ...

Aider is a “pair-programming” tool that can use various providers as the AI back end, including a locally running instance of ...

This development showcases how AI companies are borrowing successful engagement strategies from social media giants.

Overview: The demand for programming skills in 2026 centres around versatility, performance, and scalability as companies ramp up AI, cloud, and web services.La ...

成绩属于敏感信息，一旦处理不当，极易引发隐私泄露问题。尤其是在强调数据保护与家校信任的今天，如何在保障隐私的前提下实现快速分发，成为一线教师迫切需要解决的痛点。这类工具无需安装APP，支持手机端操作，上传表格后自动生成专属查询页面，极大提… ...

Here are 11 free NPTEL data science and analytics courses from leading IITs cover graph theory, Bayesian modelling, Python, R ...

Overview Cloud analytics platforms in 2025 are AI-native, enabling faster insights through automation, natural language ...

Amazon Q Developer is a useful AI-powered coding assistant with chat, CLI, Model Context Protocol and agent support, and AWS ...

Your next role should move your career forward, not just pay bills. Get clear on what you want. The right job exists.

The 10 coolest open-source software tools in 2025 include software for developing AI agentic applications, managing streams ...

每逢考试结束，老师们最头疼的不是阅卷，而是如何安全、高效地把成绩发给每位家长。直接在群里公布成绩单？隐私泄露风险大，容易引发家长之间的比较和焦虑；逐个私信？耗时耗力，效率极低，还容易漏发错发；用网盘链接分享表格？操作复杂，部分家长不会用，且文件一旦外泄，后果难控。成绩本是教学反馈的重要工具，却因发布方式不当，演变成家校沟通的“雷区”。

BM25 是一种用于信息检索的排名函数，用于衡量查询与文档的相关性。它基于词频（t）和文档长度进行加权计算，同时考虑逆文档频率（IDF）以惩罚常见词。在整个公式中，需重点关注总文档数 N 和文档频率 DF 等全局统计信息，这些信息直接影响实现的难度。（更多信息可自行搜索查阅） ...