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How does Facebook Sharer select Images and other metadata when sharing my URL?
...rimage.jpg.
Can I update these meta tags with client side code like Javascript or jQuery?
No. Much like search engine crawlers, the Facebook scraper does not execute scripts so whatever meta tags are present when the page is downloaded are the meta tags that are used for image selection.
Adding...
How to create a tag with Javascript?
...oking for a way to insert a <style> tag into an HTML page with JavaScript.
14 Answers
...
Why do I want to avoid non-default constructors in fragments?
... Bundle parameter.
For example:
public static MyFragment newInstance(int title, String message) {
MyFragment fragment = new MyFragment();
Bundle bundle = new Bundle(2);
bundle.putInt(EXTRA_TITLE, title);
bundle.putString(EXTRA_MESSAGE, message);
fragment.setArguments(bundle);
...
text-overflow:ellipsis in Firefox 4? (and FF5)
...
Spudley, you could achieve the same thing by writing a small JavaScript using jQuery:
var limit = 50;
var ellipsis = "...";
if( $('#limitedWidthTextBox').val().length > limit) {
// -4 to include the ellipsis size and also since it is an index
var trimmedText = $('#limitedWidthTex...
How to link to part of the same document in Markdown?
...lighter, so there are a (very) few oddities. Also, a lot of the associated scripts are highly customized -- e.g. Context, not LaTeX etc. -- but the idea is that the users will alter them as they please, which I found pretty simple. It should probably be git clone -ed into the lowest or outermost t...
Google Maps v3 - limit viewable area and zoom level
..." content="text/html; charset=UTF-8"/>
<title>Google Maps JavaScript API v3 Example: Limit Panning and Zoom</title>
<script type="text/javascript"
src="http://maps.google.com/maps/api/js?sensor=false"></script>
</head>
<body>
<div id...
ATL COM开发入门（一）（JS调用ActiveX/COM组件） - C/C++ - 清泛网 - 专注C/C++及内核技术
...页进行测试：
<HTML>
<HEAD>
<TITLE>COM接口测试页</TITLE>
<script type="text/javascript">
function Test(){
var retStr = AtlDemoObj.ConcatStr(document.all.ipt1.value, document.all.ipt2.value);
alert(retStr);
}
</script>
</HEAD>
<BODY>
<object id="AtlDemoObj" classid="clsid:B0...
JS文字卷动效果的调用函数：startmarquee - 更多技术 - 清泛网 - 专注C/C++及内核技术
... <li style="background:#ffe6ec;">第三行</li>
</ul>
</div>
<script type="text/javascript">
function startmarquee(lh,speed,delay,index){
var t;
var p=false;
var o=document.getElementById("marqueebox"+index);
o.innerHTML+=o.innerHTML;
o.onmouseover=function(){p=true}
o.on...
两种js滑动门(tab切换)效果 - 源码下载 - 清泛网 - 专注C/C++及内核技术
...rder-left:1px #AACCEE solid;
}
.none {display:none;}
</style>
<script type="text/javascript">
function nTabs(thisObj,Num){
if(thisObj.className == "active")return;
var tabObj = thisObj.parentNode.id;
var tabList = document.getElementById(tabObj).getElementsByTagName("li");
for(...
Android: Test Push Notification online (Google Cloud Messaging) [closed]
...very easy way to do this.
Open http://phpfiddle.org/
Paste following php script in box. In php script set API_ACCESS_KEY, set device ids separated by coma.
Press F9 or click Run.
Have fun ;)
<?php
// API access key from Google API's Console
define( 'API_ACCESS_KEY', 'YOUR-API-ACCESS-KEY-GO...