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【研究中】高德地图API研究及接入 - App应用开发 - 清泛IT社区，为创新赋能！
...多少，是否透明。1 ~ 7 可以自行试试效果。
道路图简版参考：https://wprd01.is.autonavi.com/appmaptile?x=54658&y=26799&z=16&style=7https://wprd01.is.autonavi.com/appmaptile?x={x}&y={y}&z={z}&style=7复制代码
腾讯矢量（貌似没有用，bad re...
App Inventor 2 OCR 图片文字识别方案 - App应用开发 - 清泛IT社区，为创新赋能！
...折腾了2天，效果不好，多平台兼容（模拟器，安卓，旧版安卓等），离线模型体积大，编译apk有问题，jni加载.so库逻辑也较为复杂。
总之离线方案并不完美，目前未正式推出。建议还是使用在线版本的 OCRSpace 拓展：
官网：htt...
App Inventor 2 数据库方案全览：从本地存储到云端服务 - App应用开发 - 清...
...据存储
网络微数据库（TinyWebDB）可以理解为"云端版的TinyDB"，同样采用键值对模式，但数据存在服务器上。适合需要跨设备共享少量数据的场景。
4. 云数据库（CloudDB）
- 类型：原生组件
- 数据方案：云端（Redis缓...
Controlling the screenshot in the iOS 7 multitasking switcher
I've been trying to find some information regarding the new multitasking switcher in iOS 7 and especially the screenshot that the OS takes when the app is going into hibernation.
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How can I apply a function to every row/column of a matrix in MATLAB?
... I would test performance of this approach for any particular case against simple for-loop, which might be faster then converting a matrix to cell array. Use tic/tac wrap to test.
– yuk
Feb 21 '10 at 23:13
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NSUserDefaults not cleared after app uninstall on simulator
...l NOOB! I want to check if it's the second time the user enters my application, so to keep the run count I'm using NSUserDefaults . I have implemented the following code in my rootViewController 's viewDidLoad method:
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Is there any way to check if iOS app is in background?
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App delegate gets callbacks indicating state transitions. You can track it based on that.
Also the applicationState property in UIApplication returns the current state.
[[UIApplication sharedApplication] applicationState]
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Reducing the space between sections of the UITableView
Is there a way to reduce the space between two sections of a UITableView? There are about 15 pixels between every single section I have. I did already try to return 0 for -tableView:heightForFooterInSection: and -tableView:heightForHeaderInSection: but that doesn't change anything.
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Objective-C for Windows
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Expanding on the two previous answers, if you just want Objective-C but not any of the Cocoa frameworks, then gcc will work on any platform. You can use it through Cygwin or get MinGW. However, if you want the Cocoa frameworks, or at least a reasonab...
Maven-like dependency management for C++? [closed]
...ng CMake. It is a multi-platform make file generator (generates Visual Studio or Eclipse CDT projects as well).
http://www.cmake.org/
I did really good experience with it. The best thing I like about it was the ability to produce generic project structure. So you can generically include sub-projec...