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Convert an image to grayscale in HTML/CSS

Is there a simple way to display a color bitmap in grayscale with just HTML/CSS ? 25 Answers ...
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show all tags in git log

Why does git log --decorate not display more than one tag per commit? 3 Answers 3 ...
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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]

I've been reading some things on neural networks and I understand the general principle of a single layer neural network. I understand the need for aditional layers, but why are nonlinear activation functions used? ...
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Initialising an array of fixed size in python [duplicate]

I would like to know how i can initialise an array(or list), yet to be populated with values, to have a defined size. 11 An...
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Swapping column values in MySQL

I have a MySQL table with coordinates, the column names are X and Y. Now I want to swap the column values in this table, so that X becomes Y and Y becomes X. The most apparent solution would be renaming the columns, but I don't want to make structure changes since I don't necessarily have permission...
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Regex group capture in R with multiple capture-groups

In R, is it possible to extract group capture from a regular expression match? As far as I can tell, none of grep , grepl , regexpr , gregexpr , sub , or gsub return the group captures. ...
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Small Haskell program compiled with GHC into huge binary

Even trivially small Haskell programs turn into gigantic executables. 2 Answers 2 ...
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Why is (object)0 == (object)0 different from ((object)0).Equals((object)0)?

Why are the following expressions different? 7 Answers 7 ...
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iPad Safari scrolling causes HTML elements to disappear and reappear with a delay

I'm currently developing a web app using html5 and jQuery for iPad Safari. I'm running into a problem wherein large scroll areas cause the elements that are offscreen to appear after a delay when I scroll down to them. ...
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Change select box option background color

I have a select box and I'm trying to change the background color of the options when the select box has been clicked and shows all the options. ...