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Is it possible to change only the alpha of a rgba background colour on hover?

...solute on the <div> tag Option 1: ::before psuedo-element: .before_method{ position:relative; } .before_method:before{ display:block; content:" "; position:absolute; z-index:-1; background:rgb(18, 176, 41); top:0; left:0; right:0; bottom:0; opacity:0.5; } .before_metho...
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How can I know which radio button is selected via jQuery?

...before needed blah blah ) but for pure performance this works faster especially in older browsers: $("#myform").find("input[type='radio']:checked").val(); – Mark Schultheiss Aug 3 '15 at 4:45 ...
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Java: convert List to a String

... StringJoiner is especially useful if one wants to join to something like [a, b, c] including the braces. – koppor Feb 17 '16 at 6:26 ...
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How do you unit test a Celery task?

...def add(x, y): return x + y And your test: from nose.tools import eq_ def test_add_task(): rst = add.apply(args=(4, 4)).get() eq_(rst, 8) Hope that helps! share | improve this answ...
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Programmatically selecting text in an input field on iOS devices (mobile Safari)

How do you programmatically select the text of an input field on iOS devices, e.g. iPhone, iPad running mobile Safari? 10 A...
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Html.RenderPartial giving me strange overload error?

I made a test partial page named _Test.cshtml and put it in the same directory as my view that will be calling it, here it is: ...
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Algorithm to detect intersection of two rectangles?

... if you can find a line that separates the two objects. e.g. the objects / all points of an object are on different sides of the line. The fun thing is, that it's sufficient to just check all edges of the two rectangles. If the rectangles don't overlap one of the edges will be the separating axis....
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how to make svn diff show only non-whitespace line changes between two revisions

... can use svn diff -r 100:200 -x -b > file.diff If you want to ignore all whitespaces: svn diff -x -w | less Source share | improve this answer | follow ...
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How to use icons and symbols from “Font Awesome” on Native Android Application

...entry in strings.xml for each icon. Eg for a heart: <string name="icon_heart"></string> Referenced said entry in the view of my xml layout: <Button android:id="@+id/like" style="?android:attr/buttonStyleSmall" ... android:text="@string/icon_heart" ...
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Malloc vs new — different padding

...or high-performance computing (10^5 - 10^6 cores). The code is intended to allow for communications between (potentially) different machines on different architectures. He's written a comment that says something along the lines of: ...