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Generate list of all possible permutations of a string

How would I go about generating a list of all possible permutations of a string between x and y characters in length, containing a variable list of characters. ...
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Import regular CSS file in SCSS file?

...port a regular CSS file with Sass's @import command? While I'm not using all of the SCSS syntax from sass, I do still enjoy it's combining/compressing features, and would like to be able to use it without renaming all of my files to *.scss ...
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Get $_POST from multiple checkboxes

... Set the name in the form to check_list[] and you will be able to access all the checkboxes as an array($_POST['check_list'][]). Here's a little sample as requested: <form action="test.php" method="post"> <input type="checkbox" name="check_list[]" value="value 1"> <input t...
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pip issue installing almost any library

I have a difficult time using pip to install almost anything. I'm new to coding, so I thought maybe this is something I've been doing wrong and have opted out to easy_install to get most of what I needed done, which has generally worked. However, now I'm trying to download the nltk library, and neit...
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What are the differences between NP, NP-Complete and NP-Hard?

... the technical definitions require quite some time to understand. First of all, let's remember a preliminary needed concept to understand those definitions. Decision problem: A problem with a yes or no answer. Now, let us define those complexity classes. P P is a complexity class that repres...
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How do I convert a String object into a Hash object?

... The string created by calling Hash#inspect can be turned back into a hash by calling eval on it. However, this requires the same to be true of all of the objects in the hash. If I start with the hash {:a => Object.new}, then its string represen...
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Most efficient way to determine if a Lua table is empty (contains no entries)?

...olution though, and I honestly can't assume that my solution is faster overall. share | improve this answer | follow | ...
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Find substring in the string in TWIG

...reat :) I used it to figure out the current route: <li class="{% if 'gew_team_default_' in app.request.get('_route') %}active{% endif %}"> – Tobias Oberrauch Aug 28 '14 at 14:11 ...
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How to cast List to List

... No, it isn't. You would circumvent type safety if the above was allowed. Note that casting does not mean create a new list and copy over the items. It means handle the single instance as a different type, and thus you would have a list that contains potentially non-Customer objects with a...
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how to make svn diff show only non-whitespace line changes between two revisions

... can use svn diff -r 100:200 -x -b > file.diff If you want to ignore all whitespaces: svn diff -x -w | less Source share | improve this answer | follow ...