Prevent the browsers to use old cached CSS and JS files

Browser cache is very useful when users download the same CSS and JS files multiple times. Some browsers, however, use the old CSS and JS files from the cache, even though they have been updated. This may lead to unpleasant situations, when the pages are displayed to the user with the wrong styles or pages will work incorrectly. Fortunately, these unpleasant situations is easy to avoid and let the browsers cache files as long as they are changed.
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Nano Text Editor and nanorc Tips and Tricks

Nano is easy to use and lightweight command line text editor for Linux and UNIX systems. Nano text editor can use either the default settings or improve settings with customized nanorc-file. Here are some tips that can improve the usability of Nano. Changes can be made to nanorc file, either locally or to all users or options can be used as command line options. First is good to check Nano compiled options, with command:
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