Eighteen new GNU releases in the last month (as of June 30, 2026): apl-2.0: GNU APL is a free interpreter for the programming language APL. It is an implementation of the ISO stan ...

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New York City's first heat wave of the season is officially here, with triple-digit temperatures and high humidity. Not only ...

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Five independent security disclosures in a single week point to the same gap: AI agent permissions, not AI agent capabilities, are the problem enterprises haven’t solved. If you can only read one tech ...

To participate, submit your response here by July 10 at 9 a.m. Eastern. This week’s winners will be announced by July 22. By The Learning Network Heeva Alavi, an Iranian-American, writes about her ...

写 LINQ 的时候，别习惯性 .ToList() 了。停下来想一想：“我真需要它能增删吗？” 这两行代码看起来差不多，作用也都是立刻执行查询，并把结果存下来。但它们其实有本质区别，适用的场景也不一样。 别急着抄代码，先搞清楚该用哪个，才能写出又快又稳的程序。 用 .ToList()：如果你拿到结果后，还想增删元素（比如 Add、Remove、Insert）。 用 .ToArray()：如果你只是 ...

MCP 把 ClaudeCode 从只懂你本地代码，扩展成能直接对接外部世界的协作者：GitHub 的 issue、数据库的数据、浏览器的页面、监控平台的报错，连上之后它都能自己读写，不必你再当人肉搬运工。 大多数时候，Claude Code 干的活基本都在你本地的代码和文件范围内。