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使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...R 应用程序。
在过去的一年里，Google Cardboard 的应用程序开发变得越来越简单，但对于典型的 App Inventor 用户来说，它仍然不够简单。2016 年夏季编程项目的目标是研究将 Cardboard 功能集成到 App Inventor 中的方法。本文介绍了两个...
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps?
... I've played with but found a little clunky was to do the following in Javascript:
setTimeout(function() {
window.location = "http://itunes.com/apps/yourappname";
}, 25);
// If "custom-uri://" is registered the app will launch immediately and your
// timer won't fire. If it's not set, you'll get...
Why would a JavaScript variable start with a dollar sign? [duplicate]
I quite often see JavaScript with variables that start with a dollar sign. When/why would you choose to prefix a variable in this way?
...
JavaScript for…in vs for
...hen using this function.
Example:
$(['a','b','c']).each(function() {
alert(this);
});
//Outputs "a" then "b" then "c"
The downside of using this is that if you're doing some non UI logic, your functions will be less portable to other frameworks. The each() function is probably best reserved ...
jQuery find events handlers registered with an object
...nction(i, h) {
return h + text + "<br />";
});
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="el">Test</div>
<code>
<span id="output"></span>
</code>
...
基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...博应用最近，国内主要门户网站相继开放了微博平台，对开发者而言这无疑是个利好消息，不过在实际使用中却发现平台质量良莠不齐，有很多不完善的地...最近，国内主要门户网站相继开放了微博平台，对开发者而言这无疑是...
What is context in _.each(list, iterator, [context])?
...ach(['Hello', 'World!'], function(word){
console.log(word);
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script>
Here's simple example that could use _.each:
function basket() {
this.items = [];
this.addItem...
Redis 的性能幻想与残酷现实 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...t 一个线程独立处理，就像 Memcache 一样，已经等不及要去开发和测试了，封住所以批评者的嘴。
Redis 这些年不断的增加新功能和优化改进，让它变得更灵活场景适应性更多的同时，也让我们在使用时需要更细致的思考，不是它...
How to loop through array in jQuery?
...e odds are you'd have other problems; details).
ES5's forEach:
As of ECMAScript5, arrays have a forEach function on them which makes it easy to loop through the array:
substr.forEach(function(item) {
// do something with `item`
});
Link to docs
(Note: There are lots of other functions, not...
Android Min SDK Version vs. Target SDK Version
...OMB
? com.android.internal.R.style.Theme_Holo_Light_Dialog_Alert
: com.android.internal.R.style.Theme_Dialog_Alert,
callBack, year, monthOfYear, dayOfMonth, yearOptional);
}
As you can see, the framework gets current targetSDKversion and set different theme....