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

随着大数据与会计领域加速与人工智能技术融合，企业对复合型人才的需求持续增长。无论是数据分析师、财务分析师，还是商业决策岗，掌握“数据+行业”双技能已成为刚需。通过考取高含金量证书，不仅能快速提升竞争力，还能为职业晋升打开通道。其中最推荐的是CDA数据分析师，这个证书适应了未来数字化经济和AI发展趋势，难度不高，行业认可度高，对找工作非常有帮助。

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

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

Here are 11 free NPTEL data science and analytics courses from leading IITs cover graph theory, Bayesian modelling, Python, R, databases and big-data stats. These are all free to audit, and enrolment ...

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.

Newer languages might soak up all the glory, but these die-hard languages have their place. Here are eight languages ...

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

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） ...

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”。