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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 ...
Explain which gitignore rule is ignoring my file
...shed series of commits which apply to today's upstream master branch. The test suite is 99% complete, but I haven't finished handling of the --stdin option yet. Hopefully I'll manage that this weekend, and then submit my patches to the git mailing list.
In the meantime, I'd definitely welcome tes...
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...
Behaviour for significant change location API when terminated/suspended?
...
Since I asked this question, I have done a fair bit of testing (mostly on the train between home and work) and have confirmed that the behaviour for suspended apps is as I suspected at the end of the question.
That is, your suspended app is woken up, you don't receive any call...
快速开发CSS的利器LESS 系列教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...初识less</title>
<link type="text/less" rel="stylesheet/less" href="test.less" />
<script src="less.js"></script>
</head>
<body>
<div class="con">
独行冰海
<p>利利</p>
</div>
</body>
</html>
2.快速开发CSS的利器 - less 混入
less 混入
混...
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
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