Data work in 2026 asks for more than chart building. Professionals are expected to clean data, query databases, explain ...

其中最具代表性的是累计分组操作。在分析设备运行状态时，经常需要计算“设备连续处于异常状态的时间长度”——这在传统 SQL 中需要复杂的窗口函数和递归查询。而在 DolphinDB 中，只需一行语句，就能自然表达这种累积逻辑。

In-demand skills include data analysis. It has been predicted that in 2026 businesses will place a high value on analysts who ...

Overview Modern Python automation now relies on fast tools like Polars and Ruff, which help cut down processing time and ...

A large amount of time and resources have been invested in making Python the most suitable first programming language for ...

一个工作了三年、主要做后端开发的Java工程师小明，最近在浏览公司内部转岗机会时，频繁看到“数据分析能力优先”的要求。他有些困惑：在技术更新飞快的IT行业，花精力去考一个像CDA数据分析师这样的证书，到底划不划算？这张纸对升职、转岗和证明自己能力，帮助有多大？答案是：在当前的就业市场下，这张证书更像一块重要的“敲门砖”和“能力背书”，但其最终价值取决于你能否将证书背后的知识体系转化为解决实际业务问 ...

Build your first fully functional, Java-based AI agent using familiar Spring conventions and built-in tools from Spring AI.

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A new AI benchmark reveals that top models score under 1% while humans hit 100%, raising serious questions about whether AGI ...

A Quinnipiac poll finds 55% of Americans say AI does more harm than good, while trust stays low, job fears rise, and ...

Depending on the programme, admission may involve entrance tests, academic eligibility criteria, or direct enrolment.