cur = conn.cursor()
encrypting documents and other files，推荐阅读51吃瓜获取更多信息
阿布扎比综合交通中心（ITC）2月26日宣布，在有驾驶员监督条件下，该局已监督特斯拉完成了其最新无人驾驶技术在当地的道路测试。特斯拉在阿布扎比的测试项目致力于在批准的监管框架内推进出行方式革新，为阿联酋建立一个先进驾驶辅助及自动驾驶技术的测试模型，同时寻求在安全要求与鼓励采用现代创新之间保持谨慎平衡。（财联社），推荐阅读爱思助手下载最新版本获取更多信息
Linux ID has yet to be deployed. Kroah‑Hartman said the effort is still in an exploratory and prototyping stage. The plan is to take the discussion to Linux Plumbers and the Kernel Summit over the coming year. In the near term, kernel.org could import its existing PGP web of trust into the new system to ease migration, while maintainers begin testing the tools in parallel with today's PGP‑based processes.