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Facebook share button and custom text [closed]
...matically from the page that you are sharing.
In order to "help" facebook API find those things you can put the following things in the header of the page that you are sharing:
<meta property="og:title" content="title" />
<meta property="og:description" content="description" />
<m...
Using a piano keyboard as a computer keyboard [closed]
I have RSI problems and have tried 30 different computer keyboards which all caused me pain. Playing piano does not cause me pain. I have played piano for around 20 years without any pain issues. I would like to know if there is a way to capture MIDI from a MIDI keyboard and output keyboard stroke...
php 获取操作系统、浏览器版本信息（持续更新） - 更多技术 - 清泛网 - 专...
... @return ip归属地信息
*/
function getIPLocale($ip) {
//用淘宝API获取归属地信息
$retjson = file_get_contents('http://ip.taobao.com/service/getIpInfo.php?ip='.$ip);
$info = json_decode($retjson, true);
$data = $info['data'];
return array($data['country'], $data['region'], ...
When do items in HTML5 local storage expire?
...may run into space considerations. It's good to program defensively. Generally however things remain "forever" based on some practical definition of that word.
edit — obviously, your own application can actively remove stuff if it decides it's too old. That is, you can explicitly include some so...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎 ...
... offsetY = e.clientY - element.offsetTop; return false; // 防止文本选中 }; // 鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + 'px'; element.style.top = (e....
Sanitizing strings to make them URL and filename safe?
...For example, when someone uploads a file I want to make sure that I remove all dangerous characters from the name.
23 Answe...
How do I remove documents using Node.js Mongoose?
...you don't feel like iterating, try FBFriendModel.find({ id:333 }).remove( callback ); or FBFriendModel.find({ id:333 }).remove().exec();
mongoose.model.find returns a Query, which has a remove function.
Update for Mongoose v5.5.3 - remove() is now deprecated. Use deleteOne(), deleteMany() or findO...
Is it possible to ping a server from Javascript?
...ther parts of the source but you get the idea).
function Pinger_ping(ip, callback) {
if(!this.inUse) {
this.inUse = true;
this.callback = callback
this.ip = ip;
var _that = this;
this.img = new Image();
this.img.onload = function() {_that.good();};
this.img.onerro...
FormData.append(“key”, “value”) is not working
...rmdata.get(key)
and more very useful methods
Original answer:
What I usually do to 'debug' a FormData object, is just send it (anywhere!) and check the browser logs (eg. Chrome devtools' Network tab).
You don't need a/the same Ajax framework. You don't need any details. Just send it:
var xhr = ...
Using @property versus getters and setters
...
Prefer properties. It's what they're there for.
The reason is that all attributes are public in Python. Starting names with an underscore or two is just a warning that the given attribute is an implementation detail that may not stay the same in future versions of the code. It doesn't preven...