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Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
...缓存没有callback的数据，而对于有callback的请求，可以用xss-nginx-module来搞定。
关于激活SRCache前后的性能对比，视环境的不同会有所差异，不过绝对是数量级的提升，更重要的是这一切对业务层完全透明，别愣着了，快试试吧！
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Get cursor position (in characters) within a text Input field
...ry the following code with verified result-
<html>
<head>
<script>
function f1(el) {
var val = el.value;
alert(val.slice(0, el.selectionStart).length);
}
</script>
</head>
<body>
<input type=text id=t1 value=abcd>
<button onclick="f1(docu...
What is the difference between typeof and instanceof and when should one be used vs. the other?
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A good reason to use typeof is if the variable may be undefined.
alert(typeof undefinedVariable); // alerts the string "undefined"
alert(undefinedVariable instanceof Object); // throws an exception
A good reason to use instanceof is if the variable may be null.
var myNullVar = null;
ale...
How to change theme for AlertDialog
...was wondering if someone could help me out. I am trying to create a custom AlertDialog. In order to do this, I added the following line of code in styles.xml
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JS: iterating over result of getElementsByClassName using Array.forEach
...html>
<head>
<meta charset="UTF-8">
<script>
function findTheOddOnes()
{
var theOddOnes = document.getElementsByClassName("odd");
for(var i=0; i<theOddOnes.length; i++)
{
...
JavaScript: Get image dimensions
...ta("http://www.google.hr/images/srpr/logo3w.png").done(function(test){
alert(test.w + ' ' + test.h);
});
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Android Notification Sound
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USE Can Codeding
String en_alert, th_alert, en_title, th_title, id;
int noti_all, noti_1, noti_2, noti_3, noti_4 = 0, Langage;
class method
Intent intent = new Intent(context, ReserveStatusActivity.class);
PendingIntent pendingIntent = PendingInte...
How do I declare a namespace in JavaScript?
How do I create a namespace in JavaScript so that my objects and functions aren't overwritten by other same-named objects and functions? I've used the following:
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Get value from hidden field using jQuery
...t type="hidden" value="" id='h_v' class='h_v'> Using jQuery I want to alert the user to this value .
7 Answers
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How does facebook, gmail send the real time notification?
...ty interesting.
A common method of doing such notifications is to poll a script on the server (using AJAX) on a given interval (perhaps every few seconds), to check if something has happened. However, this can be pretty network intensive, and you often make pointless requests, because nothing has ...