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Why there is no ConcurrentHashSet against ConcurrentHashMap
...ewSetFromMap's implementation is found starting on line 3841 in docjar.com/html/api/java/util/Collections.java.html. It's just a wrapper....
– Ray Toal
Nov 1 '11 at 23:36
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Pure JavaScript Graphviz equivalent [closed]
... simply get a webpage up use:
var graphviz_text = ...;
document.body.innerHTML += Viz(graphviz_text, "svg");
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Uncaught Error: SECURITY_ERR: DOM Exception 18 when I try to set a cookie
... experienced this issue while trying to use localStorage after loading the HTML directly into the UIWebView control. stackoverflow.com/questions/11371441/…
– Felipe Sabino
Jul 17 '12 at 14:16
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PHP server on local machine?
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Install and run XAMPP: http://www.apachefriends.org/en/xampp.html
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Take a screenshot of a webpage with JavaScript?
...Google+ and a talented developer reverse engineered it and produced http://html2canvas.hertzen.com/ . To work in IE you'll need a canvas support library such as http://excanvas.sourceforge.net/
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How can I inspect disappearing element in a browser?
...are different solutions for this:
You can use Break On Mutate inside the HTML panel. (with this you'll also be able to find out which element it is)
You can right-click the element and choose Inspect Element with Firebug
Also you may want to follow issue 551, which asks for a way to temporarily ...
Saving enum from select in Rails 4.1
...ct, :collection => Wine.colors.keys.to_a
Which generated the following HTML:
<select id="wine_color" name="wine[color]">
<option value=""></option>
<option value="red">red</option>
<option value="white">white</option>
<option value="sparkling...
How to overlay images
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I just got done doing this exact thing in a project. The HTML side looked a bit like this:
<a href="[fullsize]" class="gallerypic" title="">
<img src="[thumbnail pic]" height="90" width="140" alt="[Gallery Photo]" class="pic" />
<span class="zoom-icon">
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http to https apache redirection
...T}%{REQUEST_URI}
http://www.sslshopper.com/apache-redirect-http-to-https.html
or
http://www.cyberciti.biz/tips/howto-apache-force-https-secure-connections.html
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CSS让文字半透明显示在图片上层 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，文字和背景半透明。鼠标经过边框换色。效果图：
HTML代码如下：
<html>
<head>
<meta http-equiv="Content-Type" mrc="text/html; charset=gb2312" />
<title>文字显示在图片上</title>
<style type="text/css">
*{border:none;text-decoration:none}
.wrap{margin:8p...