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Debugging JavaScript in IE7
I need to debug JavaScript in Internet Explorer 7.
18 Answers
18
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从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...推荐算法工具集，同时规范了数据结构，并标准化了程序开发过程。应用推...前言
Mahout框架中cf.taste包实现了推荐算法引擎，它提供了一套完整的推荐算法工具集，同时规范了数据结构，并标准化了程序开发过程。应用推荐算...
how to implement a pop up dialog box in iOS
After a calculation, I want to display a pop up or alert box conveying a message to the user. Does anyone know where I can find more information about this?
...
C++并发编程（中文版） - 文档下载 - 清泛网 - 专注C/C++及内核技术
...1线程库的完整参考。
本书适合于需要深入了解C++多线程开发的读者，以及使用C++进行各类软件开发的开发人员、测试人员。
对于使用第三方线程库的读者，也可以从本书后面的章节中了解到相关的指引和技巧。
同时，本书...
Detecting that the browser has no mouse and is touch-only
...tectMouse = function(e){
if (e.type === 'mousedown') {
alert('Mouse interaction!');
}
else if (e.type === 'touchstart') {
alert('Touch interaction!');
}
// remove event bindings, so it only runs once
$body.off('mousedown touchst...
How to detect online/offline event cross-browser?
...r agent will
not contact the network when the user
follows links or when a script
requests a remote page (or knows that
such an attempt would fail), and must
return true otherwise.
Finally, the spec notes:
This attribute is inherently
unreliable. A computer can be
connected to a network without ha...
GestureDetect 扩展：手势检测扩展，识别滑动、点击和长按手势 · App Inventor 2 中文网
...无特殊权限要求
致谢
特别感谢以下开发者对扩展开发的支持：
Mohamed_Tamer - 技术指导
ADDYLIN - 开发支持
版权信息
本文档基于 Kodular Community 论坛帖子整理，原作者为 AryanGupta。
原始链...
click or change event on radio using jquery
...input type="radio" name="radioName" value="2" />two
</form>
<script>
$('#myForm input[type=radio]').change(function() {
alert(this.value);
});
</script>
You must make sure that you initialized jquery above all other imports and javascript functions. Because $ is a ...
How do I get the n-th level parent of an element in jQuery?
...
A faster way is to use javascript directly, eg.
var parent = $(innerdiv.get(0).parentNode.parentNode.parentNode);
This runs significantly faster on my browser than chaining jQuery .parent() calls.
See: http://jsperf.com/jquery-get-3rd-level-parent...
Check if element is visible in DOM
...e display style property. Just make sure that the element isn't fixed. A script to check this, if you have no position: fixed; elements on your page, might look like:
// Where el is the DOM element you'd like to test for visibility
function isHidden(el) {
return (el.offsetParent === null)
}
...