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OnInitUpdate、OnUpdate、OnDraw与OnPaint - C/C++ - 清泛网 - 专注C/C++及内核技术
...文档数据已经被更新，这样在关闭文档时会自动询问用户是否保存数据。
OnDraw()和OnPaint()好象兄弟俩，因为它们的工作类似。
至于不见了的问题简单，因为当你的窗口改变后，会产生无效区域，这个无效的区域需要重画。...
Detect rotation of Android phone in the browser with JavaScript
I know that in Safari on an iPhone you can detect the screen's orientation and change of orientation by listening for the onorientationchange event and querying window.orientation for the angle.
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Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...定网络下可选的心跳区间。
5.2 其他影响TCP寿命的因素
是否有遗漏的因素？欢迎各位联系我反馈。
6 附录
6.1 附录A——NAT超时介绍
因为 IP v4 的 IP 量有限，运营商分配给手机终端的 IP 是运营商内网的 IP，手机要连接 Internet，...
Adding Core Data to existing iPhone project
I'd like to add core data to an existing iPhone project, but I still get a lot of compile errors:
13 Answers
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How can I use NSError in my iPhone App?
I am working on catching errors in my app, and I am looking into using NSError . I am slightly confused about how to use it, and how to populate it.
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Could not change executable permissions on the application
...I have an app that is selling. Created new version, and if I try to run on iPhone with App Store version I get this error. So what happens if I release new version in the app store?? Help.
– Fraggle
Sep 30 '12 at 14:33
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Is quitting an application frowned upon?
...n they think about "terminating" a Web page or "terminating" a thermostat.
iPhone users are much the same way, in that pressing the iPhone button does not necessarily "feel" like the app was terminated since many iPhone apps pick up where the user left off, even if the app really was shut down (sinc...
Stop UIWebView from “bouncing” vertically?
...top a UIWebView from bouncing vertically? I mean when a user touches their iphone screen, drags their finger downwards, and the webview shows a blank spot above the web page I had loaded?
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What's the difference between using CGFloat and float?
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I think I get it now. But on the iPhone it seems to not matter much, right?
– HelloMoon
Aug 12 '09 at 20:08
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Programmatically Request Access to Contacts
Since updating to iOS 6 I've noticed that my code to add a contact to iPhone's address book no longer works. I believe this is a permission related problem, since Apple now requires user permission before accessing contacts (fixing this issue).
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