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BLE &APP交互学习教程01——下发指令 - 创客硬件开发 - 清泛IT社区，为创新赋能！
BLE模块性价比高，无需配对就可以连接使用，从本节开始，我们着重来学习使用BLE控制和显示。
1.界面设计
2.逻辑设计
3.APP工程
4.下位机工程
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FreshFood 冰箱食物保质期管理App（中学生竞赛初中组获奖作品） - .aia 案...
App主要界面截图：
代码供参考，请自行研究。
App编译apk后闪崩，AI伴侣正常 - 用户反馈 - 清泛IT社区，为创新赋能！
App编译apk后闪崩，AI伴侣正常
搜索不到ble设备 - App应用开发 - 清泛IT社区，为创新赋能！
使用AI伴侣能搜索到ble设备，但是安装apk后搜索不到,这是怎么回事呢大概率是权限问题，在手机设置将 app 相关权限都打开试试，尤其是发现设备等权限。
Codesign error: Provisioning profile cannot be found after deleting expired profile
Tried to rebuild an app that was working just yesterday. Got a message that a profile had expired, so I removed it from the iPod and from iTunes. When I chose a new profile (one with an * in the identifier), I now get an error:
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Custom fonts in iOS 7
I'm developing a game and I would like to use a custom font in my app. I'm using SpriteKit for it, if that's important. I've tried using this https://github.com/deni2s/IBCustomFonts but I cannot get it to work with this font http://www.fontspace.com/freaky-fonts/emulogic
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iOS application: how to clear notifications?
I've an iOS application where some Push Notification are sent to. My problem is, that the messages/notifications stays in the Notification Center in iOS after then are tapped. How can I remove a notification for my application in the Notification Center next time the application opens?
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Override devise registrations controller
...can just create your own controller, by generating something like this:
# app/controllers/registrations_controller.rb
class RegistrationsController < Devise::RegistrationsController
def new
super
end
def create
# add custom create logic here
end
def update
super
end
end...
Error handling principles for Node.js + Express.js applications?
... like error reporting/handling is done differently in Node.js+ Express.js applications compared to other frameworks. Am I correct in understanding that it works as follows?
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