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Extracting text from HTML file using Python
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32 Answers
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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...
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:/...
Show SOME invisible/whitespace characters in Eclipse
...t keen on making them even worse.
[UPDATE] This has been fixed in Eclipse 3.7: Go to Window > Preferences > General > Editors > Text Editors
Click on the link "whitespace characters" to fine tune what should be shown.
Kudos go to John Isaacks
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Conditional import of modules in Python
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How can a Metro app in Windows 8 communicate with a backend desktop app on the same machine?
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edited May 23 '17 at 12:26
Community♦
111 silver badge
answered Feb 21 '12 at 7:28
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What is causing this error - “Fatal error: Unable to find local grunt”
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How to create a static library with g++?
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CSS3 Transparency + Gradient
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Yes. You can use rgba in both webkit and moz gradient declarations:
/* webkit example */
back...
Ruby/Rails: converting a Date to a UNIX timestamp
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The code date.to_time.to_i should work fine. The Rails console session below shows an example...