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How to compare two colors for similarity/difference
...
See Wikipedia's article on Color Difference for the right leads.
Basically, you want to compute a distance metric in some multidimensional colorspace.
But RGB is not "perceptually uniform", so your Euclidean RGB distance metric suggested by Vadim will not match the hum...
Black transparent overlay on image hover with only CSS?
...img src="http://i.stack.imgur.com/Sjsbh.jpg" alt="" />
</div>
As for the CSS, set optional dimensions on the .image element, and relatively position it. If you are aiming for a responsive image, just omit the dimensions and this will still work (example). It's just worth noting that the di...
How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
...ny casemappings first and separately from handling different Normalization forms.
For example:
x heiße y
^--- cursor
Matches heisse but then moves cursor 1 too much. And:
x heisse y
^--- cursor
Matches heiße but then moves cursor 1 too less.
This will apply to any character that doesn'...
CSS Background Opacity [duplicate]
...weird and inconvenient if they didn't.
You can use a translucent PNG file for your background image, or use an RGBa (a for alpha) color for your background color.
Example, 50% faded black background:
<div style="background-color:rgba(0, 0, 0, 0.5);">
<div>
Text added.
...
How do I tell Maven to use the latest version of a dependency?
...he mentioned LATEST and RELEASE metaversions have been dropped in Maven 3 "for the sake of reproducible builds", over 6 years ago.
Please refer to this Maven 3 compliant solution.
If you always want to use the newest version, Maven has two keywords you can use as an alternative to version ranges...
How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly
...t; df[df.isnull().any(axis=1)]
0 1 2
1 0 NaN 0
2 0 0 NaN
[For older pandas:]
You could use the function isnull instead of the method:
In [56]: df = pd.DataFrame([range(3), [0, np.NaN, 0], [0, 0, np.NaN], range(3), range(3)])
In [57]: df
Out[57]:
0 1 2
0 0 1 2
1 0 Na...
The $.param( ) inverse function in JavaScript / jQuery
Given the following form:
18 Answers
18
...
How to break nested loops in JavaScript? [duplicate]
...ld be able to break to a label, like so:
function foo ()
{
dance:
for(var k = 0; k < 4; k++){
for(var m = 0; m < 4; m++){
if(m == 2){
break dance;
}
}
}
}
...
Difference between DateTime and Time in Ruby
...ferences between the two classes. Some libraries will use one or the other for historical reasons, but new code does not necessarily need to be concerned. Picking one for consistency is probably best, so try and mesh with what your libraries expect. For example, ActiveRecord prefers DateTime.
In ve...
Can I automatically increment the file build version when using Visual Studio?
... This works as good as anything else, and works in VS2005. I was hoping for some rational number like 1.0.1.56 in lieu I get 1.0.3266.30135 but at least it increases (albeit by some random number :D)
– inspite
Dec 10 '08 at 16:46
...
