大约有 9,000 项符合查询结果（耗时：0.0190秒） [XML]
App Inventor 输入文本如何转成ASCII码？ - App Inventor 2 中文网 - 清泛I...
Q：App Inventor 输入文本如何转成ASCII码？
A：使用AsciiConversion 拓展可以轻松实现。
AsciiCode: 给出字符，返回它相应的 Ascii码。 用法示例：返回字符“A”的Ascii码，结果将是：65。
如何实现图片的自由缩放 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
我使用了自定义对话框拓展，实现了当点击页面图片时，弹出图片，但是图片不能自由缩放，不可以随意放大查看，请问如何实现图片弹出后的自由缩放功能。
What are some good resources for learning about Artificial Neural Networks? [closed]
...any notions that artificial neural networks have anything to do with the brain but for a passing similarity to networks of biological neurons. Learning biology won't help you effectively apply neural networks; learning linear algebra, calculus, and probability theory will. You should at the very lea...
How to launch an Activity from another Application in Android
...
If you don't know the main activity, then the package name can be used to launch the application.
Intent launchIntent = getPackageManager().getLaunchIntentForPackage("com.package.address");
if (launchIntent != null) {
startActivity(launchInte...
比起创业孵化器 双创中国更急需的是创业教育 - 资讯 - 清泛网 - 专注C/C++...
...地，因特殊国情，在“大众创业、万众创新”的背景下，可以在半年时间里出现可供三年新增创业团队使用的众创空间和孵化器，却未能形成自己的创业文化氛围以及真正全民性的创业培训教育品牌。
随着创业磨坊、黑客马拉...
Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
...模块一起搭配使用。网上能搜索到一些相关的例子，大家可以参考，这里就不赘述了。当问题比较复杂的时候，比如说缓存键的动态计算等，就不得不写一点代码了，此时Lua模块是最佳选择。
闲言碎语不多讲，表一表Nginx配置...
Why should I avoid multiple inheritance in C++?
...ly, it was done for bad reasons, and it will blow back in the face of the maintainer.
Summary
Consider composition of features, instead of inheritance
Be wary of the Diamond of Dread
Consider inheritance of multiple interfaces instead of objects
Sometimes, Multiple Inheritance is the right thing. I...
How to copy files from 'assets' folder to sdcard?
...ssetManager.list("");
} catch (IOException e) {
Log.e("tag", "Failed to get asset file list.", e);
}
if (files != null) for (String filename : files) {
InputStream in = null;
OutputStream out = null;
try {
in = assetManager.open(filename);
...
YouTube API to fetch all videos on a channel
...p;maxResults=20
After that you will receive a JSON with video ids and details, and you can construct your video URL like this:
http://www.youtube.com/watch?v={video_id_here}
share
|
improve this...
各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...代码，代码清晰简练直达重点，所有代码均已亲测，大家可以放心直接用于自己的项目。
文件的打开方式一般是通用的，常用的方式如下：（如无特例后续各语言不再作描述）
"r" 打开只读文件，该文件必须存在。
"r+" ...