Rails gem for adding text/images to site which retain the language syntax -

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i want make blogging site. basically, blogs contain posts of code snippets , other coding related stuffs.

so side admin can add posts blog. writing code snippets, want add text-editor rails app post code syntax,highlight it , not plain text.

something this:

enter image description here

or

enter image description here

it should support major languages c,c++,ruby, rails,python.

suggest method/gem.

ace editor syntax highlighting , editor. pretty good. github uses gists , things.

for syntax highlighting, have many options such pygments.rb, coderay, , rainbow list few..


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