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Unbalanced calls to begin/end appearance transitions for
... You can generate this warning by presenting the modal vc before the app is done initializing. i.e. Start a tabbed application template app and present a modal vc on top of self.tabBarController as the last line in application:didFinishLaunching. Warning appears. Solution: let the stack unw...
读二进制文件追加到列表 - App应用开发 - 清泛IT社区，为创新赋能！
...都可以指定数据长度，一次处理一大块二进制数据{:8_352:}App Inventor 2 发表于 2024-06-06 19:28
按每一字节处理二进制肯定是不可取的方式，一般包括蓝牙读写二进制等函数，都可以指定数据长度，一次处理一 ...
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如何实现心电图曲线 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...于 2024-06-21 17:03 编辑
我想做一个采集数据，显示曲线的app，类似下图显示心电图和心率这样的曲线，请问需要用什么控件实现，如果实现多条曲线又该怎么办？
简单的图表使用原生组件可以实现：
有五种不同的图表类型，...
我使用MQTT扩展控制主板，在AI伴侣里面运行的很好，在导出apk里面没有反应...
...外，AI 伴侣测试正常，apk 不正常，这种情况一般来说和 App 的权限相关可能性大一些，尝试设置中开启 App 所有的权限试试看。怎么开启app的所有权限13582001974 发表于 2024-09-25 13:21
怎么开启app的所有权限
在手机/平板的设置中，...
What is the GAC in .NET?
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Right, so basically it's a way to keep DLLs globally accessible without worrying about conflicts. No more DLL Hell. Each architecture and version gets it's own place to live.
It also gets it own way to browse it in Explorer, so if you go...
How can we programmatically detect which iOS version is device running on? [duplicate]
I want to check if the user is running the app on iOS less than 5.0 and display a label in the app.
10 Answers
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Access-Control-Allow-Origin error sending a jQuery Post to Google API's
I read a lot for the 'Access-Control-Allow-Origin' error, but I don't understand what I have to fix :(
7 Answers
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What is a good choice of database for a small .NET application? [closed]
I'm developing a small application with C# in .NET and I want to have a small light weight database which does not use much resources.
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What's the simplest way to subtract a month from a date in Python?
...at what they want can be done just by dt - timedelta(days=dt.day) As originally phrased though it sounded like they wanted to be able to subtract an arbitrary number of months and that is a bit harder.
– Duncan
Sep 19 '19 at 14:27
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How to draw a custom UIView that is just a circle - iPhone app
How would I go about drawing a custom UIView that is literally just a ball (a 2D circle)? Would I just override the drawRect method? And can someone show me the code for drawing a blue circle?
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