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BLE 蓝牙模块 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
BLE 蓝牙模块（使用模块自带 IO 口控制， ）IO口 uuid 现在连接方式是，选择框里发现蓝牙名字，在选中 点击连接按钮 连接, IO口方式 uuid 有没有在初始化里面自动连接的方法？初始化中自动连接某个ble设备的推荐方式是：...
App Inventor 2 鸿蒙先行版：AppInventor 从此支持全平台，不再安卓专属 - ...
... 包，安装到鸿蒙真机上运行。AI伴侣初版——类似安卓和iOS的Companion，鸿蒙版AI伴侣的初版已经完成。这意味着你可以实时调试，而不是每次都要重新编译安装。组件基本可用——所有组件基本可以在鸿蒙上工作，但是细节有待...
How to change background color in the Notepad++ text editor?
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Recent versions require themes to be placed in [NPP-INSTALL-FOLDER]\themes or %APPDATA%\Notepad++\themes. If you use the [NPP-INSTALL-FOLDER] location, and NPP is installed by default to %ProgramFiles%, ensure Notepad++ runs with Admini...
ByteBuffer.allocate() vs. ByteBuffer.allocateDirect()
To allocate() or to allocateDirect() , that is the question.
4 Answers
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Java Runtime.getRuntime(): getting output from executing a command line program
... {"/bin/bash","-c", "pwd && ls"}. You probably don't have the question anymore but other people might so I thought I might answer it.
– 735Tesla
Jan 25 '15 at 22:05
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How do you load custom UITableViewCells from Xib files?
The question is simple: How do you load custom UITableViewCell from Xib files? Doing so allows you to use Interface Builder to design your cells. The answer apparently is not simple due to memory managment issues. This thread mentions the issue and suggests a solution, but is pre NDA-release and...
How to delete a folder with files using Java
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Solution: wrap this chunk of code in if (!index.delete()) {...}. Then, if index is a symbolic link, it's deleted regardless of whether it appears it has contents.
– Hank Schultz
Nov 11 '15 ...
Can't launch my app in Instruments: At least one target failed to launch
...eme for your target and under "Profile [App Name]" set the Build Configuration to Debug (it's usually Release by default).
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How do I auto size a UIScrollView to fit its content
...for (UIView *view in self.scrollView.subviews) {
contentRect = CGRectUnion(contentRect, view.frame);
}
self.scrollView.contentSize = contentRect.size;
Swift
let contentRect: CGRect = scrollView.subviews.reduce(into: .zero) { rect, view in
rect = rect.union(view.frame)
}
scrollView.con...
Xcode 4: create IPA file instead of .xcarchive
...PA file. In Xcode 4 you can use "Product -> Archive" to archive an application in an .xcarchive bundle.
12 Answers
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