摘要：I've been working on a project that uses localStorage on an iPad. In my experience, the localStorage is perfectly stable. However, there are two things to consider:Yes, the storage-limit is still 5Mb. Since characters are stored UTF16, only 2.5M characters can be stored in localStorage.In contra 阅读全文

摘要：--转自：keakon的涂鸦馆 http://www.keakon.net/2011/07/02/WGS84%E5%9D%90%E6%A0%87%E8%BD%AC%E7%81%AB%E6%98%9F%E5 在这个神奇的国度里，我们总得学习一些有中国特色的东东，例如“火星坐标”。也许有人还不知道这是什么玩意，我就简要介绍一下吧。如果你有带GPS模块的智能手机，打开定位功能，然后访问Google地图。只要你身处中国大陆，你就会发现定位不准，大概有几百米的偏差。然而运行一些导航软件，你又会发现定位很准确，说明手机的GPS模块确实是正常的。这种现象是怎么造成的呢？答案是人为造成的。简单来说，GPS模块 阅读全文

摘要：l Aim to Support All Orientationsl Enhance Interactivity ( Don’t Just Add Features)l Flatten Your Information Hierarchyl Reduce Full-Screen Transitionsl Enable Collaboration and Connectednessl Add Physicality and Heightened Realisml Delight People with Stunning Graphicsl De-emphasize User Interface 阅读全文