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How to move an iFrame in the DOM without losing its state?
...g node - that node is first removed from the dom.
Interesting thing here - IE<=8 didn't reload the iframe - this behavior is (somewhat) new (since IE>=9).
According to Hallvord R. M. Steen comment, this is a quote from the iframe specs
When an iframe element is inserted into a document tha...
Having a UITextField in a UITableViewCell
...le trying to do that too, I'm still unable to have a fully working UITextField in some of my UITableViewCells , just like in this example:
...
width:auto for fields
Newbie CSS question. I thought width:auto for a display:block element meant 'fill available space'. However for an <input> element this doesn't seem to be the case. For example:
...
How can I center an absolutely positioned element in a div?
...ase <html>. But the <html> element doesn't have a height specified so it takes the height of all the content in the document, which is nothing because the only content is absolutely-positioned (taken out of content flow). Adding height: 100% to the <html> element makes a difference...
How to write :hover condition for a:before and a:after?
...nd a:visited::before. But if you're developing for legacy browsers such as IE8 and older, then you can get away with using single colons just fine.
This specific order of pseudo-classes and pseudo-elements is stated in the spec:
One pseudo-element may be appended to the last sequence of simple sele...
Event listener for when element becomes visible?
...ter time, when technology improved and new options became available), I believe that a request to change the correct answer would be more appropriate than a downvote. In any case, thanks for the heads-up :)
– maltalef
Jan 13 '16 at 21:31
...
Setting HTTP headers
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This won't work in case the AJAX client sets withCredentials:true (the "*" value is not allowed when credentials are sent, which is a common use case). You must set the origin to the requester (see Matt Bucci's answer below for how).
– or...
Sorting object property by values
...you could rebuild the object from the array in the order you like, thus achieving exactly what you set out to do. That would work in all the browsers I know of, but it would be dependent on an implementation quirk, and could break at any time. You should never make assumptions about the order of ele...
var functionName = function() {} vs function functionName() {}
...xample above we can do the same with an external name, but it'll be too unwieldy (and slower).
(Another way to refer to itself is to use arguments.callee, which is still relatively long, and not supported in the strict mode.)
Deep down, JavaScript treats both statements differently. This is a func...
Format floats with standard json module
...e: This does not work in any recent version of Python.
Unfortunately, I believe you have to do this by monkey-patching (which, to my opinion, indicates a design defect in the standard library json package). E.g., this code:
import json
from json import encoder
encoder.FLOAT_REPR = lambda o: format(o...