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Does Python optimize tail recursion?
...ptimization (handling both tail-recursion and continuation-passing style): https://github.com/baruchel/tco
Optimizing tail-recursion in Python
It has often been claimed that tail-recursion doesn't suit the Pythonic way of coding and that one shouldn't care about how to embed it in a loop. I don't ...
Replacing all non-alphanumeric characters with empty strings
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Use [^A-Za-z0-9].
Note: removed the space since that is not typically considered alphanumeric.
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DESTDIR and PREFIX of make
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Getting a slice of keys from a map
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took: 18.948676741s
running reflect
took: 25.50070649s
Here's the code: https://play.golang.org/p/Z8O6a2jyfTH
(running it in the playground aborts claiming that it takes too long, so, well, run it locally.)
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Create a pointer to two-dimensional array
I need a pointer to a static 2-dimensional array. How is this done?
10 Answers
10
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How to pass a function as a parameter in Java? [duplicate]
In Java, how can one pass a function as an argument of another function?
8 Answers
8
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jQuery get the location of an element relative to window
...px solid #000;
border-radius: 2px;
padding: 5px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="log"></div>
<div id="element">Hello
<hr>World</div>
<div id="scroll">Scroll Down</di...
Fastest hash for non-cryptographic uses?
...astest one, while many others beat older hashes, like CRC32, MD5 and SHA.
https://code.google.com/p/xxhash/
Note that this is the ordering on a 32-bit compilation. On a 64-bit compilation the performance order is likely very different. Some of the hashes are heavily based on 64-bit multiplications...
ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'db'
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No, you should run mysql -u root -p in bash, not at the MySQL command-line.
If you are in mysql, you can exit by typing exit.
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Understanding Linux /proc/id/maps
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