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Python memoising/deferred lookup property decorator
...lf))
return getattr(self, attr_name)
return _lazyprop
class Test(object):
@lazyprop
def a(self):
print 'generating "a"'
return range(5)
Interactive session:
>>> t = Test()
>>> t.__dict__
{}
>>> t.a
generating "a"
[0, 1, 2, 3, 4]
&...
How to get the clicked link's href with jquery?
...
$(".testClick").click(function () {
var value = $(this).attr("href");
alert(value );
});
When you use $(".className") you are getting the set of all elements that have that class. Then when you call attr...
Margin-Top push outer div down
... top margin is effectively applied to the parent container itself. You can test this on your own by doing the following:
<div>
<h1>Test</h1>
</div>
In a debugger, open this up and hover the div. You'll notice that the div itself actually is placed where the top-margin ...
JavaScript get clipboard data on paste event (Cross browser)
...d requires Firefox 22+)
Works for IE6+, FF 22+, Chrome, Safari, Edge
(Only tested in IE9+, but should work for lower versions)
If you need support for pasting HTML or Firefox <= 22, see Solution #2.
HTML
<div id='editableDiv' contenteditable='true'>Paste</div>
JavaScript
function han...
JavaScript open in a new window, not tab
...
After some more testing, it seems almost any parameters―as long as there is at least one―will open a new window instead of a tab. For example just "top=0" even works in FF 31 and Chrome 36. This is on OpenBSD using the cwm window manager...
How to identify if a webpage is being loaded inside an iframe or directly into the browser window?
...
Having a page with an iframe within an iframe, to test from my child iframe if my parent iframe was embeded in the page, I used if (parent === top)
– sglessard
Mar 27 '12 at 14:31
...
Vertically centering a div inside another div [duplicate]
...gest that you use one of the more modern solutions.
Here is an example
Tested in:
FF3.5+
FF4+
Safari 5+
Chrome 11+
IE9+
HTML
<div class="cn"><div class="inner">your content</div></div>
CSS
.cn {
display: table-cell;
width: 500px;
height: 500px;
vertical...
Using Git, how could I search for a string across all branches?
... the accepted answer. Grepping a string across all branches but for the latest content only is a very common use case.
– dr_
Jul 11 '19 at 11:48
add a comment
...
Is there a HTML opposite to ?
...tc. tags) then use jQuery's ajax functions to load it into the full page.
test.html
<html>
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<script type="text/javascript" charset="utf-8">
$(document).ready(fun...
What requests do browsers' “F5” and “Ctrl + F5” refreshes generate?
...
It is up to the browser but they behave in similar ways.
I have tested FF, IE7, Opera and Chrome.
F5 usually updates the page only if it is modified. The browser usually tries to use all types of cache as much as possible and adds an "If-modified-since" header to the request. Opera diffe...