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Knight's Shortest Path on Chessboard
...e moves are disconnected (value=0), the sparse matrix would be like:
(a1,b3)=1,
(a1,c2)=1,
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And the shortest path of two points in a graph can be found using http://en.wikipedia.org/wiki/Dijkstra's_algorithm
Pseudo-code from wikipedia-page:
function Dijkstra(Graph, source):
for each v...
Passing command line arguments in Visual Studio 2010?
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answered Sep 13 '10 at 0:51
Andrew CooperAndrew Cooper
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Java equivalent of unsigned long long?
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answered Feb 3 '09 at 19:52
Sean BrightSean Bright
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Change SQLite default settings
...ome directory of the user running sqlite.
(P.S. I found that in man sqlite3.)
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Select element based on multiple classes
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json_encode() escaping forward slashes
...SLASHES flag.
!important read before: https://stackoverflow.com/a/10210367/367456 (know what you're dealing with - know your enemy)
json_encode($str, JSON_UNESCAPED_SLASHES);
If you don't have PHP 5.4 at hand, pick one of the many existing functions and modify them to your needs, e.g. http:/...
Open a file with su/sudo inside Emacs
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edited May 9 '13 at 3:44
answered Sep 19 '08 at 2:17
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Convert data.frame columns from factors to characters
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Just following on Matt and Dirk. If you want to recreate your existing data frame without cha...
Passing data to a closure in Laravel 4
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If you instantiated the $team variable outside of the function, then it's not in the functions ...
Extracting text from HTML file using Python
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