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Using jQuery how to get click coordinates on the target element
... var posX = $(this).offset().left,
posY = $(this).offset().top;
alert((e.pageX - posX) + ' , ' + (e.pageY - posY));
});
$('#C').click(function (e) { //Relative ( to its parent) mouse position
var posX = $(this).position().left,
posY = $(this).pos...
Bootstrap: How do I identify the Bootstrap version?
...
In the top of the bootstrap.css you should have comments like the below:
/*!
* Bootstrap v2.3.1
*
* Copyright 2012 Twitter, Inc
* Licensed under the Apache License v2.0
* http://www.apache.org/licenses/LICENSE-2.0
*
* Design...
ImageUtil 扩展：图像工具扩展，提供图像处理和变换功能 · App Inventor 2 中文网
...e.clientX - element.offsetLeft; offsetY = e.clientY - element.offsetTop; return false; // 防止文本选中 }; // 鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + '...
Can I set an opacity only to the background image of a div?
... z-index: 1;
}
.myDiv .bg {
position: absolute;
z-index: -1;
top: 0;
bottom: 0;
left: 0;
right: 0;
background: url(test.jpg) center center;
opacity: .4;
width: 100%;
height: 100%;
}
See test case on jsFiddle
:before and ::before pseudo-element
Another tr...
File Hash 扩展：文件哈希计算和 Base64 编码文件，sha256、sha512 哈希 ·...
...e.clientX - element.offsetLeft; offsetY = e.clientY - element.offsetTop; return false; // 防止文本选中 }; // 鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + '...
Is there a way to change context to iframe in javascript console?
...e console, next to the clear console button, there is a menu that says <top frame> which will give a list of available frames:
Firefox has a similar feature currently in development:
You can also navigate across frames using the command line:
var frame = document.getElementById("frame...
MediaHelper 媒体助手扩展：从媒体文件提取元数据和专辑封面 · App Inventor 2 中文网
...e.clientX - element.offsetLeft; offsetY = e.clientY - element.offsetTop; return false; // 防止文本选中 }; // 鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + '...
UITableView row animation duration and completion callback
...mpletion
}
tableView.insertRowsAtIndexPaths(indexArray, withRowAnimation: .Top)
tableView.endUpdates()
CATransaction.commit()
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pyplot axes labels for subplots
...ubplot(212)
# Turn off axis lines and ticks of the big subplot
ax.spines['top'].set_color('none')
ax.spines['bottom'].set_color('none')
ax.spines['left'].set_color('none')
ax.spines['right'].set_color('none')
ax.tick_params(labelcolor='w', top=False, bottom=False, left=False, right=False)
ax1.logl...
CSS: Set a background color which is 50% of the width of the window
... like this on a spare div element:
#background {
position: fixed;
top: 0;
left: 0;
width: 50%;
height: 100%;
background-color: pink;
}
Example: http://jsfiddle.net/PLfLW/1704/
The solution uses an extra fixed div that fills half the screen. Since it's fixed, it will rema...