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二分算法（Binary Search） · App Inventor 2 中文网
App教程 帮助 应用介绍
二分算法（Binary Search）是生活中非常常用的折半算法，能解决快速查找、快速定位的问题，主要用到数学和逻辑代码块。
本示例程序演示了采用普通遍历的方式和二分的方式...
FAQ Section: SMS - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
这篇帖子是MIT App Inventor社区中关于短信功能常见问题的FAQ（常见问题解答）部分。它详细介绍了如何在MIT App Inventor中使用短信功能，包括发送和接收短信，以及处理与短信相关的各种问题。其中涵盖了设置发送短信的步骤、使...
ble蓝牙的标识符怎么确定的 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...务id和特性id的。
3、软件探测：
nFC Connect低功耗蓝牙APP工具的使用：https://bbs.tsingfun.com/thread-1481-1-1.html
或
LightBlue® 可以将您连接到所有使用低功耗蓝牙（也称为蓝牙智能或蓝牙 Light）的设备。使用 LightBlue®，您可以扫描、...
Jar Mismatch Found 2 versions of android-support-v4.jar in the dependency list
I am trying to create 2 versions of an Android app (free/paid). I have an Android Library that contains files common to both. I created a new Android project and am trying to use the Library but get the error below:
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ios app maximum memory budget
... depends on many things: what iOS version you're using (not SDK), how many applications running in background, what exact memory you're using etc.
Just avoid the instant memory splashes (e.g. you're using 40 Mb of RAM, and then allocating 80 Mb's more for some short computation). In this case iOS w...
How do I make a Mac Terminal pop-up/alert? Applescript?
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Use osascript. For example:
osascript -e 'tell app "Finder" to display dialog "Hello World"'
Replacing “Finder” with whatever app you desire. Note if that app is backgrounded, the dialog will appear in the background too. To always show in the foreground, use “Sy...
How to prevent multiple instances of an Activity when it is launched with different Intents
I've come across a bug in my application when it is launched using the "Open" button on the Google Play Store app (previously called Android Market). It seems that launching it from the Play Store uses a different Intent than launching it from the phone's application menu of icons. This is leadi...
Screenshot Apps for iPhone simulator [closed]
I was wondering if there are any good recommendations on apps that takes screenshots of the iPhone simulator. I've tried apps like iPhone screenshot cropper but I'm looking for something that will allow me to make larger images. For example large enough to put on a poster. Any suggestions?
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Simulator error FBSSystemServiceDomain code 4
I'm trying to run an app in the simulator but get this error message:
6 Answers
6
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How do I find out which keystore was used to sign an app?
I have an app which is signed and several keystore files. I'd like to update the app, so I need to find out which one of keys was used.
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