The simple values up to strings were all immutable, but lists and everything else was mutable.
That optimistic note was echoed by Oleksandr Merezhko, chairman of the foreign relations committee in Ukraine's parliament. He told me that by supporting US attack on Iran, Ukraine could win favour in the White House: "The US does not view us as allies, but as partners," he said.
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I think we shouldn't be racing ahead or trying to build models that are way bigger than other orgs are building them. And we shouldn't, I think, be trying to ramp up excitement or hype about giant models or the latest advances.[2] But we should build the things that we need to do the safety work and we should try to do the safety work as well as we can on top of models that are reasonably close to state of the art.
推出时机Windows Phone 8.1 真正成熟时，其实已经太晚了。当它打磨到这个完成度时，市场格局早已固化：iOS 占据高端利润，Android 吃下规模与份额。大多数用户早已在各自生态里买好了应用，绑定了账号，同步了照片、联系人和云端数据。迁移不只是「换个手机」这么简单，而是要重建一整套数字生活，这个成本高得离谱。