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How can I apply styles to multiple classes at once?
... was looking for. You can also then have a second, separate entry for .abc and/or .xyz for properties you don't want to apply to both e.g. .xyz {font-weight: bold;} will combine to make .xyz bold and margin-left'ed by 20px but .abc only margin-left'ed.
– RyanfaeScotland
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Using jQuery To Get Size of Viewport
How do I use jQuery to determine the size of the browser viewport, and to redetect this if the page is resized? I need to make an IFRAME size into this space (coming in a little on each margin).
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How to calculate time in hours between two dates in iOS
...nds-into-minutes
--edit: See ÐąrέÐέvil's answer below for correctly handling daylight savings/leap seconds
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Difference between sampling and profiling in jVisualVM
VisualVM has two separate tabs for sampling and profiling. What is the difference between sampling and profiling in VisualVM?
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What is the python “with” statement designed for?
...r the first time today. I've been using Python lightly for several months and didn't even know of its existence! Given its somewhat obscure status, I thought it would be worth asking:
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Changing the child element's CSS when the parent is hovered
...use CSS?
.parent:hover .child, .parent.hover .child { display: block; }
and then add JS for IE6 (inside a conditional comment for instance) which doesn't support :hover properly:
jQuery('.parent').hover(function () {
jQuery(this).addClass('hover');
}, function () {
jQuery(this).removeCla...
Django Rest Framework: Dynamically return subset of fields
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You can override the serializer __init__ method and set the fields attribute dynamically, based on the query params. You can access the request object throughout the context, passed to the serializer.
Here is a copy&paste from Django Rest Framework documentation examp...
How can I decompress a gzip stream with zlib?
... a bad stream format. By default, zlib creates streams with a zlib header, and on inflate does not recognise the different gzip header unless you tell it so. Although this is documented starting in version 1.2.1 of the zlib.h header file, it is not in the zlib manual. From the header file:
windo...
Disable all gcc warnings
...n a project that will read compiler error messages of a particular variety and do useful things with them. The sample codebase I'm testing this on (a random open-source application), and hence rebuilding frequently, contains a few bits that generate warnings, which are of no interest to me.
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Find row where values for column is maximal in a pandas DataFrame
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Use the pandas idxmax function. It's straightforward:
>>> import pandas
>>> import numpy as np
>>> df = pandas.DataFrame(np.random.randn(5,3),columns=['A','B','C'])
>>> df
A B ...