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使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...vity.java
VirtualActivity 比 PanoramaActivity 复杂得多。它依赖于官方 Cardboard SDK 和 Jmini3d 3D 引擎。之所以选择此引擎，是因为它的简单性、精心设计的 API 和完整的 Android 集成。然而，在开发过程中，我们遇到了几个与资源文件夹严格...
iOS detect if user is on an iPad
...rent.userInterfaceIdiom == .pad {
// Available Idioms - .pad, .phone, .tv, .carPlay, .unspecified
// Implement your logic here
}
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Live character count for EditText
...
you can use a TextWatcher to see when the text has changed
private TextView mTextView;
private EditText mEditText;
private final TextWatcher mTextEditorWatcher = new TextWatcher() {
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
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数据存储组件 · App Inventor 2 中文网
...法在 Android 11 或更高版本上运行。 中文网注：我们与MIT官方最新版本一样，出于安全性考虑，不支持直接从根目录访问文件，如/sdcard/，推荐使用App模式。
私有 ：文件将从应用程序的私有目录读取和写入，使用这个作用...
Office在线预览及PDF在线预览的实现方式大集合 - 更多技术 - 清泛网 - 专注...
...决办法，可以在网上搜索。
5、设置非常麻烦，本身微软官方的说法Office软件是客户端程序，在与IIS交互的时候本身就未设计。所以很多程序员把精力浪费在了调试程序上面。有两点在调试的时候需要注意。一个是在web.config中...
App Inventor 2 中文网原创内容 · App Inventor 2 中文网
...不得转载或使用 隐私策略和使用条款 官方QQ群483928335 #free_v { border:none; position:fixed; top:40%; left:5px; width:200px; height:500px; display: none;}@media screen and (max-width: 700px) { #free_v { top:200%; }}
TDD/BDD screencast/video resources [closed]
...ed "Beyond Test Driven Development: Behaviour Driven Development".
At Dnr TV there are two episodes with JP Boodhoo, where he gives an introduction to test driven development:
Test Driven Development with JP Boodhoo, Part 1
Test Driven Development with JP Boodhoo, Part 2
...
findViewByID returns null
... OMG! Cant believe I spend days on something so trivial. I moved setContentView() above the findViewById() call and that did t he trick. thanks!
– agentcurry
Jan 26 '12 at 20:35
2...
How to use Git?
I am an engineering student who spends most of his spare time watching TV rather than coding. So basically I have zero experience with any kind of version control system. My understanding is somehow they make distribution of projects easier.
...
What is the difference between the Facade and Adapter Pattern?
...s - you press "on" and it turns on your cable box, your receiver, and your TV. Maybe it's a really fancy home theater and it dims the lights and draws the shades too. That's a Facade - one button/function that takes care of a more complicated set of steps.
The Adapter pattern just links two incom...