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App Inventor 2 参考文档 · App Inventor 2 中文网
...QTT、ESP32、Arduino 等硬件开发
二进制数据专题
编码、拼帧、校验、拆帧；蓝牙、TCP、WebSocket、MQTT、HTTP 完整案例与可运行对端
技术和其他指南
官方英文文档...
Have Grunt generate index.html for different setups
..." );
// Project configuration.
grunt.initConfig({
pkg: '<json:package.json>',
meta: {
banner: '/*! <%= pkg.name %> - v<%= pkg.version %> - ' +
'<%= grunt.template.today("yyyy-mm-dd") %> */'
},
jsFiles: jsFiles,
// fil...
2015互联网结束补贴战 从相杀到相爱只需一个长假 - 资讯 - 清泛网 - 专注C/...
...到的一个段子，“2015年化缘的改叫众筹了，统计改叫大数据分析了，做耳机的改为可穿戴设备了，IDC的都自称云计算了，办公室出租改叫孵化器了，借钱给朋友改叫天使投资了，放高利贷都改叫资本运作了。”虽然段子有些调...
马化腾给创业者的3点建议：行业跨界领域最有机会诞生创新 - 资讯 - 清泛网 ...
...，除了智能控制，电子以外，还有很多新材料，计算机大数据，甚至医药，生物科技，还有材料学等等领域，有很多国际人才和成果，能不能把这种模式再推广继续扩大呢？其实很有机会，但是过去没有太过关注这一点。沈南鹏...
Your build failed due to an error in the AAPT stage · App Inventor 2 中文网
...全保存在目标设备上。尝试保存到您的 PC，然后通过 USB 数据线将其移动到设备（”adb”安装）
APK 名称包含非打印字符：如果将该名称复制并粘贴到 App Inventor 中，其中可能包含回车符或制表符之类的字符
APK 文件已损坏。这...
Convert JavaScript string in dot notation into an object reference
...yHandler);
}
Demo:
var obj = {a:{b:{c:1, d:2}}};
console.log("obj is:", JSON.stringify(obj));
var objHyper = hyperIndexOf(obj);
console.log("(proxy override get) objHyper['a.b.c'] is:", objHyper['a.b.c']);
objHyper['a.b.c'] = 3;
console.log("(proxy override set) objHyper['a.b.c']=3, now obj is:"...
What is a correct mime type for docx, pptx etc?
...
Here is the (almost) complete file extensions's MIME in a JSON format.
Just do example: MIME["ppt"], MIME["docx"], etc
{"x3d": "application/vnd.hzn-3d-crossword", "3gp": "video/3gpp", "3g2": "video/3gpp2", "mseq": "application/vnd.mseq", "pwn": "application/vnd.3m.post-it-notes", "...
How do search engines deal with AngularJS applications?
...the initial payload into the first response from the server, possibly as a JSON object. This allows the Search Engine to render the page without executing the AJAX call.
There is some evidence to suggest that Google might not execute AJAX requests. More on this here:
https://web.archive.org/web/20...
ViewPager.setOffscreenPageLimit(0) doesn't work as expected
...
protected boolean isVisible;
/**
* 在这里实现Fragment数据的缓加载.
* @param isVisibleToUser
*/
@Override
public void setUserVisibleHint(boolean isVisibleToUser) {
super.setUserVisibleHint(isVisibleToUser);
if(getUserVisibleHint()) {...
Git Symlinks in Windows
...member to check the symlink checkbox and clone my project again. My tslint.json file referencing the file in the parent directory still contains ../tslint.json. Pity, because this really looked like the easiest of all of the solutions proposed in there.
– Jan Aagaard
...