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Changing image sizes proportionally using CSS?
...
transform: scale(0.5);
Example:
<div>Normal</div>
<div class="scaled">Scaled</div>
div {
width: 80px;
height: 80px;
background-color: skyblue;
}
.scaled {
transform: scale(0.7); /* Equal to...
Changing the browser zoom level
...tep = 0.02;
currFFZoom += step;
$('body').css('MozTransform','scale(' + currFFZoom + ')');
} else {
var step = 2;
currIEZoom += step;
$('body').css('zoom', ' ' + currIEZoom + '%');
}
});
$('#minusBtn').on('click',f...
How to remove convexity defects in a Sudoku square?
...
By filling this image, I get a mask for the sudoku grid:
mask = FillingTransform[largestComponent]
Now, I can use a 2nd order derivative filter to find the vertical and horizontal lines in two separate images:
lY = ImageMultiply[MorphologicalBinarize[GaussianFilter[srcAdjusted, 3, {2, 0}], ...
CSS center text (horizontally and vertically) inside a div block
...Explorer 11.
Update for 2016 / 2017:
It can be more commonly done with transform, and it works well even in older browsers such as Internet Explorer 10 and Internet Explorer 11. It can support multiple lines of text:
position: relative;
top: 50%;
transform: translateY(-50%);
Example: http...
How to vertically center content with variable height within a div?
...
Just add
position: relative;
top: 50%;
transform: translateY(-50%);
to the inner div.
What it does is moving the inner div's top border to the half height of the outer div (top: 50%;) and then the inner div up by half its height (transform: translateY(-50%)). T...
Difference between single and double quotes in Bash
...the usage of ' ' and " ".
When ' ' is used around anything, there is no "transformation or translation" done. It is printed as it is.
With " ", whatever it surrounds, is "translated or transformed" into its value.
By translation/ transformation I mean the following:
Anything within the single ...
Best way to convert strings to symbols in hash
...
In Ruby >= 2.5 (docs) you can use:
my_hash.transform_keys(&:to_sym)
Using older Ruby version? Here is a one-liner that will copy the hash into a new one with the keys symbolized:
my_hash = my_hash.inject({}){|memo,(k,v)| memo[k.to_sym] = v; memo}
With Rails y...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...work described in the paper "Rectangle Detection based on a Windowed Hough Transform".
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Difference between array_map, array_walk and array_filter
...ept that instead of modifying in-place it will return a new array with the transformed elements.
array array_filter ( array $input [,
callback $callback ] )<-return array
array_filter with function F, instead of transforming the elements, will remove any elements for which F(x) is not t...
CSS: center element within a element
...db;
}
.inner-element{
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%,-50%);
/* or 3d alternative if you will add animations (smoother transitions) */
transform: translate3d(-50%,-50%,0);
/* Other styling stuff */
width: 100px;
height: 100px;
background-co...