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RGB to hex and hex to RGB
...notation, i.e. #rrggbb. Your code is almost correct, except you've got the order reversed. It should be:
var decColor = red * 65536 + green * 256 + blue;
Also, using bit-shifts might make it a bit easier to read:
var decColor = (red << 16) + (green << 8) + blue;
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Scatter plot and Color mapping in Python
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Note that the array you pass as c doesn't need to have any particular order or type, i.e. it doesn't need to be sorted or integers as in these examples. The plotting routine will scale the colormap such that the minimum/maximum values in c correspond to the bottom/top of the colormap.
Colorma...
Regex to match a digit two or four times
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+1 for being mindful of the order needed when using alternation to match 4 digits first, then 2 digits. Also good job providing the other variations.
– Ahmad Mageed
Nov 18 '11 at 2:57
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RESTful on Play! framework
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Image Greyscale with CSS & re-color on mouse-over?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Container-fluid vs .container
...uestion that would be great but SO does not seem to let us suggest our own order. And reading my original comment I was not as clear as I could have been. Anyhoo thanks for the info.
– BeNice
Jun 21 '19 at 16:51
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How can I detect when the mouse leaves the window?
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In order to detect mouseleave without taking in account the scroll bar and the autcomplete field or inspect :
document.addEventListener("mouseleave", function(event){
if(event.clientY <= 0 || event.clientX <= 0 || (eve...
How to replace (or strip) an extension from a filename in Python?
...u would need to add an arbitrarily long chain of .with_suffix('') calls in order to deal with an arbitrary number of dots . in a file extension (admittedly, more than 2 is an exotic edge case).
– tel
May 28 '19 at 2:50
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What does “coalgebra” mean in the context of programming?
...ld be rename theory of functors.
As categories are what one must define in order to define functors.
(Moreover, functors are what one must define in order to define natural transformations.)
What's a functor?
It's a transformation from one set to another which preserving their structure.
(For more ...
Why use #ifndef CLASS_H and #define CLASS_H in .h file but not in .cpp?
...de just the declaration, and the source file contains the definition.
In order to use something you only need to know it's declaration not it's definition. Only the linker needs to know the definition.
So this is why you will include a header file inside one or more source files but you won't in...