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什么是 Hex 编码方式？AppInventor 支持 Hex 编码传输吗？ - App Inventor ...
Hex 编码方式通常指：
将二进制数据按十六进制文本形式表示。
也就是：binary data → hex string
使用 ByteArray 拓展可以转换 Hex 编码。
https://www.fun123.cn/reference/ ... l#ByteArray-Methods
诗词大会App-还原打乱的诗词汉字顺序 - .aia 案例源码 - 清泛IT社区，为创新赋能！
屏幕数量：2个，代码块800左右，非常简易的诗词小游戏，还原打乱的诗词汉字顺序，内置10首七言诗词，可自行修改定制，有很好的学习参考价值。
炫酷导航条，跟着b站教学，用ai伴侣测试，不显示图标，切换正常。 - App In...
炫酷导航条，跟着b站教学，用ai伴侣测试，不显示图标，切换正常。大神们帮忙看下会是哪里的问题
AppInventor2项目是自动保存的吗？ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
Q：AppInventor2项目是自动保存的吗？
先说结论：是的，自动保存。在界面或者代码块发生变化之后，会自动进行项目保存。
当然，如果要追求心里”踏实感“，建议可以手动再保存一次，项目菜单 -> 保存项目：
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手电筒扩展插件大家用起来没？ - App应用开发 - 清泛IT社区，为创新赋能！
我用小米15测试老是报错（setParameters failed）不成功，不知大家是否和我一样？
Postgres: “ERROR: cached plan must not change result type”
This exception is being thrown by the PostgreSQL 8.3.7 server to my application.
Does anyone know what this error means and what I can do about it?
...
What is a “feature flag”?
...(or Feature Toggle) is the ability to turn features (sub-sections) of your application on/off at easily:
perhaps via a re-deploy, or
some internal page where pages/features can be toggled live.
I guess the example there was that it's handy to have the control to reduce the feature-set somewhat ...
Android LocationClient class is deprecated but used in documentation
...I... Enjoy developing :)
import android.location.Location;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.api.GoogleApiClient;
import com.goo...
Install an apk file from command prompt?
...d after compiling all the .jar files to create an .apk file for an Android application without using Eclipse.
14 Answers
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Java project in Eclipse: The type java.lang.Object cannot be resolved. It is indirectly referenced f
...
This happened to me when I imported a Java 1.8 project from Eclipse Luna into Eclipse Kepler.
Right click on project > Build path > configure build path...
Select the Libraries tab, you should see the Java 1.8 jre with an e...