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How to check in Javascript if one element is contained within another
...it also supported in mobile browsers? The mdn docs have question marks for Android, Safari, IE, and Opera.
– thetallweeks
Sep 30 '14 at 16:39
1
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App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
...于我的 WebCam 项目，可以通过 MQTT 拍摄和发送 JPEG 图像。Android Camera API 将 JPEG 数据作为字节数组提供。PublishByteArray、SubscribeByteArray 和 PublishedByteArrayReceived 块可用于处理字节数组。
PublishByteArray
此块对应于 PublishEx 方法。这里...
How does libuv compare to Boost/ASIO?
...rding to my own attempts:
Boost.ASIO has no official support for iOS and Android, e.g., its build system does not work for iOS out of the box.
libuv builds easily for iOS and Android, with official support for Android right in their docs. My own generic iOS build script for Autotools-based projec...
How do you compare two version Strings in Java?
...: Thank you for your remark, this piece of code has been developed for the Android platform and as recommended by Google, the method "matches" check the entire string unlike Java that uses a regulatory pattern. (Android documentation - JAVA documentation)
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Pros and Cons of SQLite and Shared Preferences [closed]
... FYI, there is a THIRD option: read/write XML to a file. (See android.util.xml classes). Appropriate for moderately complex data that can be read/written all at once. For example, a grid of values that user does not change frequently. Especially if it is data that you might later want t...
How do I maintain the Immersive Mode in Dialogs?
... even if you set the UI visibility before adding it to the manager. In the Android Immersive example it's commented that:
// * Uses semi-transparent bars for the nav and status bars
// * This UI flag will *not* be cleared when the user interacts with the UI.
// When the user swipes, the bars will t...
How can I add or update a query string parameter?
...and only in use in recent versions of Chrome, Firefox, Safari, iOS Safari, Android Browser, Android Chrome and Opera. Use with a polyfill if you do decide to use it.
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How can I wait for set of asynchronous callback functions?
...ost recent browser (Edge 12, Firefox 40, Chrome 43, Safari 8, Opera 32 and Android browser 4.4.4 and iOS Safari 8.4, but not Internet Explorer, Opera Mini and older versions of Android).
If we want to perform 10 async actions and get notified when they've all finished, we can use the native Promise...
How can I tell if a DOM element is visible in the current viewport?
...as tested on Internet Explorer 7 (and later), iOS 5 (and later) Safari, Android 2.0 (Eclair) and later, BlackBerry, Opera Mobile, and Internet Explorer Mobile 9.
function isElementInViewport (el) {
// Special bonus for those using jQuery
if (typeof jQuery === "function" && el...
Generate colors between red and green for a power meter?
...alue){
return java.awt.Color.HSBtoRGB((float)value/3f, 1f, 1f);
}
On Android:
int getTrafficlightColor(double value){
return android.graphics.Color.HSVToColor(new float[]{(float)value*120f,1f,1f});
}
note: value is a number between 0 and 1 indicating the red-to-green condition.
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