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Simple basic explanation of a Distributed Hash Table (DHT)
... introduction that I would essentially be regurgitating if I write more -
http://en.wikipedia.org/wiki/Distributed_hash_table
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...
Validate that a string is a positive integer
...se
" " : false
"" : false
DEMO: http://jsfiddle.net/5UCy4/37/
Solution 2
Another way is good for all numeric values which are valid up to Number.MAX_VALUE, i.e. to about 1.7976931348623157e+308:
function isPositiveInteger(n) {
return 0 === n % (!is...
preventDefault() on an tag
...lt;/head>
<body>
<div>
<ul>
<li><a href="http://www.google.com">Google</a></li>
<li><a href="http://www.facebook.com">Facebook</a></li>
<p id="p1">Paragraph</p>
</ul>
</div>
<p>By Jefrey Bu...
Adding header for HttpURLConnection
I'm trying to add header for my request using HttpUrlConnection but the method setRequestProperty() doesn't seem working. The server side doesn't receive any request with my header.
...
Rename a file using Java
...
Copied from http://exampledepot.8waytrips.com/egs/java.io/RenameFile.html
// File (or directory) with old name
File file = new File("oldname");
// File (or directory) with new name
File file2 = new File("newname");
if (file2.exists())...
Get the current script file name
...
See http://php.net/manual/en/function.pathinfo.php
pathinfo(__FILE__, PATHINFO_FILENAME);
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Drawing a line/path on Google Maps
....1), new LatLng(40.7, -74.0))
.width(5)
.color(Color.RED));
from https://developers.google.com/maps/documentation/android/reference/com/google/android/gms/maps/model/Polyline
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impro...
Disable button in jQuery
...ck',function() {
$(this).prop("disabled",true);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<button class="rbutton">Click me</button>
http://jsfiddle.net/mblase75/2Nfu4/
...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...理念1. 空间换时间1) 多级缓存，静态化客户端页面缓存（http header中包含Expires Cache of Control，last modified(304，...一、 设计理念
1. 空间换时间
1) 多级缓存，静态化
客户端页面缓存（http header中包含Expires/Cache of Control，last modifi...
Does the JVM prevent tail call optimizations?
...e), John Rose from Sun has some more to say about tail call optimization.
http://blogs.oracle.com/jrose/entry/tail_calls_in_the_vm
I have heard that it might be implemented on the JVM someday. Tail call support amongst other things are being looked at on the Da Vinci Machine.
http://openjdk.java....