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Convert RGB to RGBA over white
... input values and r', g', b', and a' be the output values, all scaled (for now, as it makes the math prettier) between 1 and 0. Then, by the formula for overlaying colors:
r = a' * r' + 1 - a'
g = a' * g' + 1 - a'
b = a' * b' + 1 - a'
The 1 - a' terms represent the background contribution, and th...
How does git merge after cherry-pick work?
...:
o---X <-- master
\
b1---b2---b3---b4 <-- b
Now we urgently need the commits b1 and b3 in master, but not the
remaining commits in b. So what we do is checkout the master branch
and cherry-pick commits b1 and b3:
$ git checkout master
$ git cherry-pick "b1's SHA"
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input type=“text” vs input type=“search” in HTML5
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Right now, there isn't a huge deal between them - maybe there never will be.
However, the point is to give the browser-makers the ability to do something special with it, if they want.
Think about <input type="number"> on ce...
Can you call ko.applyBindings to bind a partial view?
...omer handler that is called when I apply the global ko.applyBindings(). So now I get the error "You cannot apply bindings multiple times to the same element.". I'm still trying to figure out why I get the error. Can't we apply a binding to the same variable multiple times, each to different elements...
undefined reference to boost::system::system_category() when compiling
...y's features).
Starting from Boost 1.66 and this commit, this behavior is now the default, so hopefully fewer and fewer users should need this answer.
As noticed by @AndrewMarshall, an alternative is to define BOOST_ERROR_CODE_HEADER_ONLY which enables a header-only version of the code. This was d...
How to use '-prune' option of 'find' in sh?
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+1 finally found out why I need -print at end, I can now stop adding \! -path <pattern> in addition to -prune
– Miserable Variable
May 14 '13 at 20:39
6...
Extracting text OpenCV
...s thinking of counting the number of bars, and imposing a threshold on it. Now I think, if the region is clean enough, it may also help if we can feed it to an OCR and get a confidence level for each detected character to be sure that the region contains text.
– dhanushka
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How to style the with only CSS?
...n> s of a <select> element with cross-browser compatibility? I know many JavaScript ways which customize the dropdown to convert into <li> , which I'm not asking about.
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CSS does the width include the padding?
...remember (or find) the names of the different options for a couple of days now... +1 =)
– David says reinstate Monica
Jan 15 '11 at 15:04
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Rendering JSON in controller
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Thanks Sean, your explanation helped me to know about rendering json with callback, this solved one of my problem.
– Abhi
May 31 '14 at 9:51
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