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使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ensions to implement multitouch: Rotation Detector
Xinyue Deng dengxinyue0420@gmail.com
DRAFT (March 6, 2016): Building extensions requires the App Inventor extensions capability, which is not yet incorporated into the App Inventor release. But you can try some ofary AI2 server.
You can implem...
socket.shutdown vs socket.close
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40
Here's one explanation:
Once a socket is no longer required,
the calling program can disca...
What should I use Android AccountManager for?
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edited May 23 '17 at 10:31
Community♦
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answered Dec 23 '11 at 10:07
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How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
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10 Answers
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Active
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ArrayBuffer to base64 encoded string
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230
function _arrayBufferToBase64( buffer ) {
var binary = '';
var bytes = new Uint8Array( b...
What is the difference between UTF-8 and ISO-8859-1?
...rams
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Bower: ENOGIT Git is not installed or not in the PATH
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answered Apr 20 '14 at 6:13
Eyad FarraEyad Farra
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Accessing JPEG EXIF rotation data in JavaScript on the client side
...possible (It uses DataView and readAsArrayBuffer which are available in IE10+, but you can write your own data reader for older browsers):
function getOrientation(file, callback) {
var reader = new FileReader();
reader.onload = function(e) {
var view = new DataView(e.target...
Encode html entities in javascript
... code would look something like this:
var encodedStr = rawStr.replace(/[\u00A0-\u9999<>\&]/gim, function(i) {
return '&#'+i.charCodeAt(0)+';';
});
This code will replace all characters in the given range (unicode 00A0 - 9999, as well as ampersand, greater & less than) with th...
Convert datetime to Unix timestamp and convert it back in python
I have dt = datetime(2013,9,1,11) , and I would like to get a Unix timestamp of this datetime object.
11 Answers
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