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终于不用拿复选框凑了：App Inventor 新组件「单选框」，问卷表单一个搞定 ...
...文档站搜「单选框使用指导」，有完整案例和可导入的 .aia 源码。
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AppInventor2 过程不能在全局变量初始化时调用 - App Inventor 2 中文网 - ...
...nbsp; 事件里调用过程，把结果存进字典：
ai2-blocks
global data = {}
when Screen1.Initialize {
data = makeDict("key", myProc())
}
把 makeDict、myProc
换成你实际的块...
ActionBar text color
...ou can also tweak the subtitle.
Here is my styles.xml:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="MyTheme" parent="@android:style/Theme.Holo.Light">
<item name="android:actionBarStyle">@style/MyTheme.ActionBarStyle</item>
</style>
...
AccessibilityTools 无障碍工具扩展：执行返回、主页和最近任务等操作 · A...
... 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 搜索 ...
Understanding __get__ and __set__ and Python descriptors
...sius
0.0
>>> t1.celsius = 1
>>>
>>> t1.celsius
1.0
>>> t2 = Temperature()
>>> t2.celsius
1.0
You can't delete the attribute:
>>> del t2.celsius
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeErro...
How to add manifest permission to an application?
...
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.photoeffect"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
...
Build project into a JAR automatically in Eclipse
... 1
Create a build.xml file and add to package explorer:
<?xml version="1.0" ?>
<!-- Configuration of the Ant build system to generate a Jar file -->
<project name="TestMain" default="CreateJar">
<target name="CreateJar" description="Create Jar file">
<jar jarfi...
Swift 和 .Net 开源，回顾 2015 年 9 大开源事件 - 开源 & Github - 清泛网...
...开源了很多其他的软件。
今年，Google 开源了人工智能（AI）发动机 TensorFlow，该公司表示“该系统最初是由 Google 机器智能研究组织下的 Google Brain 团队的研究人员和工程师为机器学习和深度神经网络而开发的系统，但该系统是...
How to set space between listView Items in Android
...wable folder and define line shape inside:
divider.xml
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="line" >
<stroke
android:width="1px"
android:color="@color/nice_blue" />
</sh...
Disable double-tap “zoom” option in browser on touch devices
...le>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
etc...
</head>
I've used that very recently and it works fine on iPad. Haven't tested on Android or other devices (because the website will be displayed on iPad only).
...